• Patents

    • Winter, M.; Passerini, S.; Krämer, E.; Kunze, M.; Lex-Balducci, A.; Müller, R.; Nowak, S.;Schmitz, R.; Röschenthaler, G.-V.; Kalinovich, N.; Kazakova, O., Electrolytes comprising propylene carbonate for batteries and accumulators. WO/2012/084066, released (28.06.2012).
    • Kunze, M.; Lex-Balducci, A.; Nowak, S.; Passerini, S.; Schmitz, R. W.; Winter, M., Process for preparing organic lithium salts. WO/2012/069554 released (31.05.2012).
 

  • Publications

    Research Articles (Journals)
    • Qui, Hao; Goldmann, Daniel; Stallmeister, Christin; Friedrich, Bernd; Tobaden, Maximilian; Kwade, Arno; Peschel, Christoph; Winter, Martin; Nowak, Sascha; Lyon, Tony; Peuker, Urs. . ‘The InnoRec Process: A Comparative Study of Three Mainstream Routes for Spent Lithium-ions Battery Recycling Based on the Same Feedstock .’ Sustainability 16, № 9: 3876. doi: 10.3390/su16093876.
    • Kubot, Maximilian; Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha. . ‘Additive bei Hochvolt-Anwendungen in Lithium-Ionen-Batterien - Aufklärung von Verhalten und Mechanismen mit Hilfe Flüssigchromatographie-Massenspektrometrie.’ chrom+food FORUM 04.
    • Pfeiffer, Felix; Griggio, Angela; Weiling, Matthias; Wang, Jian-Fen; Reißig, Frederike; Peschel, Christoph; Pillatsch, Lex; Warrington, Stefan; Nowak, Sascha; Grimaudo, Valentino; Wright, Ian; Baghernejad, Masoud. . ‘Tracing the Cross-Talk Phenomenon of Vinylethylene Carbonate to Unveil its Counterintuitive Influence as an Electrolyte Additive on High-Voltage Lithium-Ion Batteries.’ Advanced Energy Materials 14, № 39: 2402187. doi: 10.1002/aenm.202402187.
    • Geuder, Karsten; Klick, Sebastian; Finster, Philipp; Graff, Karl Martin; Winter, Martin; Nowak, Sascha; Seifert, Hans Jürgen; Ziebert, Carlos. . ‘Influence of Vinylene Carbonate and Fluoroethylene Carbonate on Open Circuit and Floating SoC Calendar Aging of Lithium-Ion Batteries.’ Batteries 10, № 8: 275. doi: 10.3390/batteries10080275.
    • Lechtenfeld, Christian; Kessen, Dennis; Winter, Martin; WIemers-Meyer, Simon; Nowak, Sascha. . ‘Chromatography in battery recycling.’ G.I.T Laboratory Journal Europe 03: 15–20.
    • Schwabauer, Ruben; Strohschein, Arndt Tilman; Winter, Martin; Wiemers-Meyer, Simon; Nowak, Sascha. . ‘Introduction to solid-state battery research.’ G.I.T Laboratory Journal Europe 4: 21–26.
    • Schwabauer, Ruben; Strohschein, Arndt Tilman; Winter, Martin; Wiemers-Meyer, Simon; Nowak, Sascha. . ‘Einführung in die Feststoffbatterieforschung.’ G.I.T Laborfachzeitschrift 5: 32–35.
    • Lechtenfeld, Christian; Buchmann, Julius; Hagemeister, Jan; Bela, Marlena M.; van Wickeren, Stefan; Daub, Rüdiger; Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha. . ‘Analyzing the effect of electrolyte quantity on the aging of lithium-ion batteries.’ Advanced Science 11, № 39: 2405897. doi: 10.1002/advs.202405897.
    • Sadykov, A; Stenzel, Y.P; Winter, M; Wiemers-Meyer S; Nowak, S. . ‘Determination of polysulfide anions and molecular sulfur via coupling HPLC with ICP-MS.’ Journal of Analytical Atomic Spectrometry 39: 2480–2487. doi: 10.1039/d4ja00231h.
    • Muschiol, Elisabeth; Tölke Louisa; Lechtenfeld, Christian; Nowak, Sascha; Esselen, Melanie. . ‘P13-16 Studies on the toxicology of electrolyte additives – mechanisms and changes during cycling.’ Toxicology Letters 399, № 2: S215–S2156. doi: 10.1016/j.toxlet.2024.07.532.
    Posters
    • Buchmann, J; van Wickeren, S; Petzold, M; Flamme, S; Winter, M; Nowak S. ‘Wet Mechanical Treatment of Spent Lithium Ion Batteries – Analytical Insights into Contaminated Process Water.’ contributed to the Advanced Battery Power, Münster, .
    • Abke, Niklas M.; Hanf, Lenard; Hendriks, Theodoor A.; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. ‘What’s Cracking? Deep Investigation of aged Solid-State Electrolyte Lithium Sulfur Batteries via Time of Flight Secondary Ion Mass Spectrometry. .’ contributed to the ADVANCED BATTERY POWER, Münster, .
    • Buchmann, Julius; Song, Yixin; Wiemer-Meyer, Simon; Winter, Martin; Nowak, Sascha. ‘SPE/GC-FID: Developing a Quantitative Method for Analyzing LIB Electrolyte Residues in Industrial Wastewaters .’ contributed to the BACCARA Power Day 2024, Münster, .
    • Abke, Niklas M.; Woltmann, Firderike; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. ‘Development of a surface cleaning method for ToF-SIMS analysis of Battery Materials .’ contributed to the IMSIS 2024, Münster, .
    • Kessen, Dennis; Walter, Matthias; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. ‘ETV-ICP-OES as a versatile technique for the elemental analysis of lithium ion batteries.’ contributed to the Advanced Battery Power Conference , Münster , .

    Articles
    Articles in Scientific Journals, Newspapers or Magazines
    Research Articles (Journals)
    • von Holtum, Bastian; Kubot, Maximilian; Peschel, Christoph; Rodehorst, Uta; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. . ‘Accessing the primary SEI on lithium metal – A method for low concentrated compound analysis.’ ChemSusChem 16, № 9: e202201912. doi: 10.1002/cssc.202201912.
    • Ghaur, Adjmal; Peschel, Christoph; Dienwiebel, Iris; Haneke, Lukas; Du, Leilei; Profanter, Laurin; Gómez Martín, Aurora; Winter, Martin; Nowak, Sascha; Placke, Tobias. . ‘Effective SEI Formation via Phosphazene-Based Electrolyte Additives for Stabilizing Silicon-Based Lithium-Ion Batteries.’ Advanced Energy Materials 13, № 26. doi: 10.1002/aenm.202203503.
    • Ghaur, Adjmal; Pfeiffer, Felix; Diddens, Diddo; Peschel, Christoph; Dienwiebel, Iris; Du, Leilei; Profanter, Laurin; Weiling, Matthias; Winter, Martin; Placke, Tobias; Nowak, Sascha; Baghernejad, Masoud. . ‘Molecular-Cling-Effect of Fluoroethylene Carbonate Characterized via Ethoxy(pentafluoro)cyclotriphosphazene on SiOx/C Anode Materials – A New Perspective for Formerly Sub-Sufficient SEI Forming Additive Compounds.’ Small 19, № 44: 2302486. doi: 10.1002/smll.202302486.
    • Nowak, Sascha. . ‘Die Rolle der Analytik während des Recyclings von Batterien.’ chrom+food FORUM 04: 4–5.
    • Vahnstiege, Marc; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. . ‘State-of-charge of individual active material particles in lithium ion batteries: a perspective of analytical techniques and their capabilities.’ Physical Chemistry Chemical Physics 25: 24278–24286. doi: 10.1039/D3CP02932H .
    • Kubot, M; Balke, L; Scholz, J; Wiemers-Meyer, S; Karst, U; Hayen, H; Hur, H; Winter, M; Kasnatscheew J; Nowak, S. . ‘High-Voltage Instability of Vinylene Carbonate (VC): Impact of Formed Poly-VC on Interphases and Toxicity.’ Advanced Science 11, № 1: 2305282. doi: 10.1002/advs.202305282.
    • Herbers, Lukas; Minar, Jaroslav; Stuckenberg, Silvan; Küpers, Verena; Berghus, Debbie; Nowak, Sascha; Winter, Martin; Bieker, Peter. . ‘The Influence of Polyethylene Oxide Degradation in Polymer-Based Electrolytes for NMC and Lithium Metal Batteries.’ Advanced Energy and Sustainability Research 4, № 12: 2300153. doi: 10.1002/aesr.202300153.
    • Lechtenfeld, Christian; Kessen, Dennis; Winter, Martin; WIemers-Meyer, Simon; Nowak, Sascha. . „Chromatographie im Batterierecycling - Auf dem Weg zur nachhaltigen Energiewirtschaft.“ G.I.T Laborfachzeitschrift 11/12: 30–33.
    • Weiling, Matthias; Lechtenfeld, Christian; Pfeiffer, Felix; Frankenstein, Lars; Diddens, Diddo; Wang, Jian-Fen; Nowak, Sascha; Baghernejad, Masoud. . ‘Mechanistic Understanding of Additive Reductive Degradation and SEI Formation in High-Voltage NMC811||SiOx-Containing Cells via Operando ATR-FTIR Spectroscopy.’ Advanced Energy Materials 14, № 5: 2303568. doi: 10.1002/aenm.202303568.
    Editorials (Journals)
    • Nowak, Sascha. . ‘Recent Advances in the Analysis of Energies .’ Separations 10, № 9: 476. doi: 10.3390/separations10090476.
    Non-Scientific Contributions (Journals)
    • Hanf, Lenard; Brüning, Kai; Winter, Martin; Nowak, Sascha. . ‘Front Cover - Method Development for the Investigation of Mn2+/3+, Cu2+, Co2+ and Ni2+ with Capillary Electrophoresis Hyphenated to Inductively Coupled Plasma – Mass Spectrometry.’ Electrophoresis 41, № 1-2. doi: 10.1002/elps.202370011.
    • von Holtum, Bastian; Kubot, Maximilian; Peschel, Christoph; Rodehorst, Uta; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. . ‘Front Cover - Accessing the primary SEI on lithium metal – A method for low concentrated compound analysis.’ ChemSusChem 16, № 9: e202300496. doi: 10.1002/cssc.202300496.
    • Peschel C, van Wickeren S, Bloch A, LechtenFeld C, Winter M, Nowak S. . ‘Back Cover - Defining Aging Marker Molecules of 1,3-Propane Sultone for Targeted Identification in Spent LiNi0.6Co0.2Mn0.2O2||AG Cells.’ Energy Technology 11, № 5: 2370054. doi: 10.1002/ente.202370054.
    • Ghaur, Adjmal; Peschel, Christoph; Dienwiebel, Iris; Haneke, Lukas; Du, Leilei; Profanter, Laurin; Gómez Martín, Aurora; Winter, Martin; Nowak, Sascha; Placke, Tobias. . ‘Cover Page - Effective SEI Formation via Phosphazene-Based Electrolyte Additives for Stabilizing Silicon-Based Lithium-Ion Batteries.’ Advanced Energy Materials 13, № 26. doi: 10.1002/aenm.202370113.
    • Ghaur, Adjmal; Pfeiffer, Felix; Diddens, Diddo; Peschel, Christoph; Dienwiebel, Iris; Du, Leilei; Profanter, Laurin; Weiling, Matthias; Winter, Martin; Placke, Tobias; Nowak, Sascha; Baghernejad, Masoud. . ‘Cover Page - Molecular-Cling-Effect of Fluoroethylene Carbonate Characterized via Ethoxy(pentafluoro)cyclotriphosphazene on SiOx/C Anode Materials – A New Perspective for Formerly Sub-Sufficient SEI Forming Additive Compounds.’ Small 19, № 44. doi: 10.1002/smll.202370362.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Nowak, Sascha; Kubot, Maximilian; Winter, Martin; Kasnatscheew, Johannes; Muschiol, Elisabeth. ‘Formation and Suppression of Toxic Organofluorophosphates in Lithium Ion Batteries: Making the High-Voltage Additive Lithium Difluorophosphate Viable for Commercial Applications.’ contributed to the 243rd ECS Meeting, Boston, . doi: 10.1149/MA2023-012645mtgabs.
    • Lechtenfeld, Christian; Peschel, Christoph; van Wickeren, Stefan; Block, Aleksandra; Winter, Martin; Nowak, Sascha. ‘Analysis of the Decomposition of Sulfur-Based Electrolyte Additives in Spent LiNi0.6Co0.2Mn0.2O2||AG Cells.’ contributed to the 243rd ECS Meeting , Boston, . doi: 10.1149/MA2023-012649mtgabs.
    • Ghaur, Adjmal; Pfeiffer, Felix; Diddens, Diddo; Peschel, Christoph; Dienwiebel, Iris; Du, Leilei; Profanter, Laurin; Weiling, Matthias; Winter, Martin; Placke, Tobias; Nowak, Sascha; Baghernejad, Masoud. ‘Rethinking the Role of Formerly Sub-Sufficient Industrial/Synthesized SEI Additive Compounds - a New Perspective.’ contributed to the 243rd ECS Meeting, Boston, . doi: 10.1149/MA2023-0172753mtgabs.
    • Wiemers-Meyer, Simon; Vahnstiege, Marc; Kröger, Till-Niklas; Harte, Patrick; Beuse, Thomas; Klein, Sven; Börner, Markus; Winter, Martin; Nowak, Sascha. ‘Quantifying the Inactivation of Battery Electrode Material Particles.’ contributed to the 244th ECS Meeting October, Göteburg, . doi: 10.1149/MA2023-022206mtgabs.
    • Hesper, Jakob; Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha. ‘Identification and Quantification of Lithium Ion Battery Electrolyte Residues in Blackmass Via Headspace-GC-MS/FID.’ contributed to the 244th ECS Meeting October, Göteburg, . doi: 10.1149/MA2023-02653058mtgabs.
    • Geuder, Karsten; Klick, Sebastian; Nowak, Sascha; Seifert, Hans Jürgen; Ziebert, Carlos. ‘Calendar Aging of Lithium-Ion Batteries: Investigating the Influence of Electrolyte Additives in Open-Circuit and Floating State-of-Charge Conditions.’ contributed to the 244th ECS Meeting October, Göteburg, . doi: 10.1149/MA2023-023450mtgabs.
    Posters
    • Kessen, Dennis; Peschel, Christoph; Tautvydas, Bieliauskas; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. ‘Comprehensive thermal analysis of surface films formed on lithium ion battery negative electrodes .’ contributed to the Advanced Battery Power , Aachen, .
    • Buchmann, Julius; Lechtenfeld, Christian; van Wickeren, Stefan; Winter, Martin; Nowak, Sascha. ‘Investigating the Electrolyte-volume-dependent Aging of Lithium-ion Batteries by means of Instrumental Analytical Techniques.’ contributed to the Advanced Battery Power, Aachen, .
    • Hesper, Jakob; Nowak, Sascha. ‘Identification and Quantification of Lithium Ion Battery Electrolyte Residues in Blackmass Via Headspace-GC-MS/FID.’ contributed to the 244th ECS Meeting, Göteburg, .
    • Kessen, Dennis; Walter, Matthias; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. ‘Method development for direct elemental analysis of lithium ion battery materials by means of ETV-ICP-OES.’ contributed to the 7th PhD Seminar of the German Working Group for Analytical Spectroscopy (DAAS) in the GDCh Division of Analytical Chemistry, Berlin, .
    • Buchmann, J; Lechtenfeld, C; van Wickeren, S; Petzhold, M; Winter, M; Nowak, S. ‘Comprehensive Characterization of Process Water in Lithium-Ion Battery Recycling - an Analytial Guide.’ contributed to the ABAA - 14th International Conference on Advanced Lithium Batteries for Automobile Applications, Ho-Chi-Minh-City, .
    • Lechtenfeld, Christian-Timo; Busch, Jannis; Peschel, Christoph; Winter, Martin; Nowak, Sascha. ‘Defining Aging Marker Molecules: Targeted Identification of Electrolyte Additives for Advanced Reverse-Engineering.’ contributed to the 1st #BatteryCityMünster PhD-Day, Münster, .
    • Kessen, Dennis; Fehlings, Nick; Lechtenfeld, Christian-Timo; van Wickeren, Stefan; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. ‘Lithium ion battery electrolyte degradation of NMC622||AG and NMC811||AG+SiOx cells using chromatographic analytical techniques.’ contributed to the 1st #BatteryCityMünster PhD-Day, Münster , .
    • Lechtenfeld; Christian; Busch, Jannis; Peschel, Christoph; Winter, Martin; Nowak, Sascha. ‘Aging Behavior of Sulfur-Containing Electrolyte Additives: Advanced Reverse-Engineering for Post-Mortem Analysis of Lithium-Ion Batteries.’ contributed to the Baccara Power Day, Münster, .
    • Buchmann, Julius; Winter, Martin; Nowak, Sascha. ‘Investigating the phytoremediation potential of brown mustard for soils contaminated with Li-ion battery materials .’ contributed to the Baccara Power Day, Münster, .
    • Lechtenfeld, Christian; Peschel, Christoph; van Wickeren, Stefan; Bloch, Aleksandra; Winter, Martin; Nowak, Sascha. ‘Defining Aging Marker Molecules of Sultone-based Electrolyte Additives for Targeted Identification in Spent Lithium Ion Batteries.’ contributed to the Advanced Battery Power, Aachen, .
    Research Article (Book Contributions)
    • Nowak, Sascha. . ‘ICP-Based Techniques for LIBs Characterization.’ In Microscopy and Microanalysis for Lithium-Ion Batteries, edited by Shen, Cai, 167–188. 1st Ed. Boca Raton, FL: CRC Press. doi: 10.1201/9781003299295.
    Technical Specifications or Manuals
    • Warner, Nicholas; Kessen, Dennis; Peschel Christoph; Nowak Sascha; Roberts Dominic; Nelms, Simon; Kutscher, Daniel. . Pyrolysis gas chromatography - high resolution Orbitrap mass spectrometry as a tool for Li-ion battery shred material forensics . Deutschland, .

    Articles
    Articles in Scientific Journals, Newspapers or Magazines
    Research Articles (Journals)
    • Mo B; Sendker J; Herrmann, F; Nowak S; Hensel A. . ‘Aqueous extract from Equisetum arvense stimulates the secretion of Tamm-Horsfall protein in human urine after oral intake.’ Phytomedicine 104: 154302. doi: 10.1016/j.phymed.2022.154302.
    • Petz, Dominik; Baran, Volodymyr; Peschel, Christoph; Winter, Martin; Nowak, Sascha; Hofmann, Michael; Kostecki, Robert; Niewa, Rainer; Bauer, Michael; Müller-Buschbaum, Peter; Senyshyn, Anatoliy. . ‘Aging-Driven Composition and Distribution Changes of Electrolyte and Graphite Anode in 18650-Type Li-Ion Batteries.’ Advanced Energy Materials 12, № 45: 2201652. doi: 10.1002/aenm.202201652.
    • Hanf, Lenard; Brüning, Kai; Winter, Martin; Nowak, Sascha. . ‘Method Development for the Investigation of Mn2+/3+, Cu2+, Co2+ and Ni2+ with Capillary Electrophoresis Hyphenated to Inductively Coupled Plasma – Mass Spectrometry.’ Electrophoresis 44, № 1-2: 89–95. doi: 10.1002/elps.202200139.
    • Kröger, Till-Niklas; Wölke, Jan Mathis; Harte, Patrick; Beuse, Thomas; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon. . ‘State-of-Charge Distribution of Single-Crystalline NMC532 Cathodes in Lithium-Ion Batteries: A Critical Look at the Mesoscale.’ ChemSusChem 15, № 21: e202201169. doi: 10.1002/cssc.202201169.
    • Kubot, M; von Holtum, B; Winter, M; Wiemers-Meyer, S; Nowak, S. . ‘Organofluorophosphates as Oxidative Degradation Products in High-Voltage Lithium Ion Batteries with NMC or LNMO Cathodes.’ Journal of The Electrochemical Society 169, № 11: 110534. doi: 10.1149/1945-7111/aca2e8.
    • Haneke, L; Pfeiffer, F; Bärmann, P; Wrogemann, J; Peschel, C; Neumann, J; Kux, F; Nowak, S; Winter, M; Placke, T. . ‘Insights into Electrolytic Pre-Lithiation: A Thorough Analysis Using Silicon Thin Film Anodes“.’ Small 19, № 8: 2206092. doi: 10.1002/smll.202206092.
    • Kubot, Maximilian; Frankenstein, Lars; Muschiol, Elisabeth; Klein, Sven; Esselen, Melanie; Winter, Martin; Nowak, Sascha; Kasnatscheew, Johannes. . ‘Lithium Difluorophosphate Electrolyte Additive: a Boon for good High Voltage Li Ion Batteries, but a Bane for high Thermal Stability and low Toxicity: Towards a Synergistic Dual-Additive Approach with Fluoroethylene Carbonate to Circumvent this Dilemma.’ ChemSusChem 16, № 6: e202202189. doi: 10.1002/cssc.202202189.
    • Peschel C, van Wickeren S, Bloch A, LechtenFeld C, Winter M, Nowak S. . ‘Defining Aging Marker Molecules of 1,3-Propane Sultone for Targeted Identification in Spent LiNi0.6Co0.2Mn0.2O2||AG Cells.’ Energy Technology 11, № 5: 2200189. doi: 10.1002/ente.202200189.
    • Kröger T-N, Winter M, Nowak S, Wiemers-Meyer S. . „Untersuchung der Ladungszustandsverteilung auf Partikelebene - Einzelpartikelanalytik von Lithium-Ionen-Batterien.“ G.I.T Laborfachzeitschrift 4: 38–41.
    • Qui H, Peschel C, Winter M, Nowak S, Köthe J, Goldmann D. . ‘Recovery of Graphite and Cathode Active Materials from Spent Lithium-Ion Batteries by Applying Two Pretreatment Methods and Flotation Combined with a Rapid Analysis Technique.’ Metals 12 (4), № Thermal Conditioning of Metals and EoL-Products for Improved Recycling Efficiency: 677. doi: 10.3390/met12040677.
    • Peschel C, Leißing M, Winter M, Wiemers-Meyer S, Nowak S. . „Den Lösemittelmolekülen auf der Spur - Gasanalytik isotopenmarkierter Batterie-Elektrolyte.“ G.I.T Laborfachzeitschrift 4: 34–37.
    • Kröger T-N, Harte P, Klein S, Beuse T, Börner M, Winter M, Nowak S, Wiemers-Meyer S. . ‘Direct Investigation of the Interparticle-based State-of-Charge Distribution of Polycrystalline Lithium Transition Metal Oxides in Lithium Ion Batteries by Classification Single Particle Inductively Coupled Plasma Optical Emission Spectroscopy.’ Journal of Power Sources 527: 231204. doi: 10.1016/j.jpowsour.2022.231204.
    • Peschel C, van Wickeren S, Preibisch Y, Naber V, Werner C, Frankenstein L, Horsthemke F, Peuker U, Winter M, Nowak S. . ‘Comprehensive Characterization of Shredded Lithium-Ion Battery Recycling Material.’ Chemistry - A European Journal 28, № 22: e202200485. doi: 10.1002/chem.202200485.
    • Nowak S, Wiemers-Meyer S. . ‘BETTER BATTERIES – BETTER RECYCLING?’ Journal of Business Chemistry 19, № 1: 36–38. doi: 10.17879/95009500923.
    • Horsthemke F, Peschel C, Kösters K, Nowak S, Kuratani K, Takeuchi T, Mikuriya H, Schmidt F, Sakaebe H, Kaskel S, Osaka T, Winter M, Nara H, Wiemers-Meyer S. . ‘Identification of Soluble Degradation Products in Lithium - Sulfur and Lithium - Metal Sulfide Batteries.’ Separations 9 (3), № Topical Collection: State of the Art in Analysis of Energies: 57. doi: 10.3390/separations9030057.
    • Peschel C, Horsthemke F, Winter M, Nowak S. . ‘Implementation of Orbitrap Mass Spectrometry for Improved GC-MS Target Analysis in Lithium Ion Battery Electrolytes.’ MethodsX 9: 101621. doi: 10.1016/j.mex.2022.101621.
    • Neumann J, Petranikova M, Meeus M, Gamarra JD, Younesi R, Winter M, Nowak S. . ‘Recycling of Lithium-Ion Batteries – Current State of the Art, Circular Economy and Next Generation Recycling.’ Advanced Energy Materials 12 (17), № Special Issue: Advanced Battery Materials ‐ Battery2030+: 2102917. doi: 10.1002/aenm.202102917.
    • Aftabtalab, Adeleh; Moreno-Jiménez, Eduardo; Henschel, Jonas; Nowak, Sascha; Schaller, Jörg; Knorr, Klaus-Holger. . ‘The Impact of Dissolved Organic Matter on Arsenic Mobilization from Goethite in the Presence of Silicic Acid and Phosphate under Reducing Conditions.’ Water 14: 2975. doi: 10.3390/w14192975.
    • Adhitama, Egy; van Wickeren, Stefan; Neuhaus, Kerstin; Frankenstein, Lars; Demelash, Feleke; Javed, Atif; Haneke, Lukas; Nowak, Sascha; Winter, Martin; Gomez-Martin, Aurora; Placke, Tobias. . ‘Revealing the Role, Mechanism, and Impact of AlF3 Coatings on the Interphase of Silicon Thin Film Anodes.’ Advanced Energy Materials 12, № 41: 2201859. doi: 10.1002/aenm.202201859.
    • Klein, Sven; Haneke, Lukas; Harte, Patrick; Stolz, Lukas; van Wickeren, Stefan; Borzutzki, Kristina; Nowak, Sascha; Winter, Martin; Placke, Tobias; Kasnatscheew, Johannes. . ‘Suppressing Electrode Crosstalk and Prolonging Cycle Life in High-Voltage Li Ion Batteries: Pivotal Role of Fluorophosphates in Electrolytes.’ ChemElectroChem 9, № 13: e202200469. doi: 10.1002/celc.202200469.
    Non-Scientific Contributions (Journals)
    • Petz, Dominik; Baran, Volodymyr; Peschel, Christoph; Winter, Martin; Nowak, Sascha; Hofmann, Michael; Kostecki, Robert; Niewa, Rainer; Bauer, Michael; Müller-Buschbaum, Peter; Senyshyn, Anatoliy. . ‘Inside Cover - Aging-Driven Composition and Distribution Changes of Electrolyte and Graphite Anode in 18650-Type Li-Ion Batteries.’ Advanced Energy Materials 12, № 45: 2201652. doi: 10.1002/aenm.202270189.
    • Adhitama, Egy; van Wickeren, Stefan; Neuhaus, Kerstin; Frankenstein, Lars; Demelash, Feleke; Javed, Atif; Haneke, Lukas; Nowak, Sascha; Winter, Martin; Gomez-Martin, Aurora; Placke, Tobias. . ‘Revealing the Role, Mechanism, and Impact of AlF3 Coatings on the Interphase of Silicon Thin Film Anodes (Adv. Energy Mater. 41/2022).’ Advanced Energy Materials 12: 2270169. doi: 10.1002/aenm.202270169.
    • Klein, Sven; Haneke, Lukas; Harte, Patrick; Stolz, Lukas; van Wickeren, Stefan; Borzutzki, Kristina; Nowak, Sascha; Winter, Martin; Placke, Tobias; Kasnatscheew, Johannes. . ‘Cover Picture "Suppressing Electrode Crosstalk and Prolonging Cycle Life in High-Voltage Li Ion Batteries: Pivotal Role of Fluorophosphates in Electrolytes".’ ChemElectroChem 9, № 13: e202200579. doi: 10.1002/celc.202200579.
    Posters
    • Kessen, D; Peschel, C; Preibisch, Y; Winter, M; Wiemers-Meyer, S; Nowak, S. ‘Reidentification of Polymeric Lithium Battery Materials by Fingerprint Analysis with Pyrolysis-Gas Chromatography-Mass Spectrometry (PY-GC-MS).’ contributed to the AABC Europe 2022, Mainz, .
    • Brake, T; Winter, M; Nowak, S; Wiemers-Meyer, S. ‘QUANTITATIVE DETERMINATION OF LITHIUM PLATING ON GRAPHITE ANODE SURFACES UTILIZING GC-BID.’ contributed to the 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Dorn S, Diehl M, Winter M, Wiemers-Meyer, Nowak S. ‘ASSESSING LITHIUM MIGRATION IN LITHIUM ION BATTERIES AT DIFFERENT STATES OF CHARGE BY COMBINING ISOTOPE DILUTION ANALYSIS WITH PLASMA-BASED TECHNIQUES.’ contributed to the 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Leißing M, Horsthemke F, Wiemers-Meyer S, Winter M, Nowak S. ‘INVESTIGATION OF THE C-RATE DEPENDENT GASSING DURING FORMATION OF LITHIUM-ION BATTERIES UTILIZING GAS CHROMATOGRAPHY - BARRIER DISCHARGE IONIZATION DETECTOR.’ contributed to the 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • von Holtum B, Winter M, Nowak S, Wiemers-Meyer S. ‘THE INFLUENCE OF ADDITIVES ON PRIMARY SEI-DEVELOPMENT ON LITHIUM METAL – AN ACCUMULATION STUDY.’ contributed to the 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Lürenbaum C, Harte P, Winter M, Wiemers-Meyer S, Nowak S. ‘SPATIALLY RESOLVED POST-MORTEM ANALYSIS OF LITHIUM DISTRIBUTION AND TRANSITION METAL DEPOSITIONS ON CYCLED ELECTRODES VIA LASER ABLATION-ICP-OES / -MS METHODS.’ contributed to the 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Kröger T-N, Nowak S, Winter M, Wiemers-Meyer S. ‘INVESTIGATION OF THE MESOSCALE STATE-OF-CHARGE DISTRIBUTION IN LITHIUM ION BATTERY CATHODE MATERIALS BY MEANS OF SINGLE-PARTICLE INDUCTIVELY COUPLED PLASMA-BASED ANALYTICAL TECHNIQUES.’ contributed to the 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • van Wickeren S, Klein S, Placke T, Wiemers-Meyer S, Winter M, Nowak S. ‘Studies on the reactivity of ceramic-coated separators toward lithium-ion battery electrolytes.’ contributed to the International Meeting on Lithium Batteries 2022, Sydney, .
    • Helling, M; Harte, P; Winter, M; Nowak, S. ‘ELEMENTAL ANALYSIS OF LATERAL AND DEPTH ANALYSIS OF LIBS – INVESTIGATING THE LITHIUM DISTRIBUTION FOR PRE−LITHIATED GRAPHITE ANODES.’ contributed to the International Meeting on Lithium Batteries 2022, Sydney, .
    • von Holtum, B; Winter, M; Nowak, S; Wiemers-Meyer, S. ‘New Approaches to the Analysis of the SEI Formation on Lithium Metal.’ contributed to the International Meeting on Lithium Batteries 2022, Sydney, .
    • Peschel, C; Qui, H; Wiemers-Meyer, S; Goldmann, D; Winter, M; Nowak S. ‘Analysis of Lithium Ion Battery Recycling Material – from Detailed Feedstock Characterization to Targeted Process Control.’ contributed to the International Meeting on Lithium Batteries 2022, Sydney, .
    • Dorn, S; Diehl, M; Winter, M; Nowak, S. ‘NOVEL STATE OF CHARGE STUDIES BY MEANS OF DEPTH-RESOLVED ISOTOPE DILUTION ANALYSIS IN THE FIELD OF LITHIUM ION BATTERIES.’ contributed to the Anwendertreffen Analytische Glimmentladungsspektrometrie, Dresden, .
    • Dorn S, Diehl M, Winter M, Nowak S. ‘NOVEL STATE OF CHARGE STUDIES BY MEANS OF DEPTH-RESOLVED ISOTOPE DILUTION ANALYSIS IN THE FIELD OF LITHIUM ION BATTERIES.’ contributed to the 5th International Glow Discharge Spectroscopy Symposium, Oviedo, .
    • von Holtum B, Peschel C, Kubot M, Winter M, Nowak S, Wiemers-Meyer S. ‘SEI development study – Accumulation and identification of SEI-derived species from lithium metal anodes.’ contributed to the 14. Kraftwerk Batterie Fachtagung, Virtual, .
    • Gross A, Unterumsberger R, Beckhoff B, Krämer M, von Bohlen A, Stosnach H, Nowak S. ‘TXRF works – A proof through round robin tests of preselected and well characterized samples.’ contributed to the European Conference on X-Ray Spectrometry: EXRS2022, Brügge, .
    • Roberts D, Nowak S, Peschel C, Cole J, Zheng X. ‘Using GC Orbitrap mass spectrometry for the identification of lithium-ion battery degradation products .’ contributed to the 70th Conference on Mass Spectrometry and Allied Topics ASMS, Minneapolis, .
    • Kubot M, Winter M, Nowak S. ‘Organo-fluorophosphates as aging products during formation in lithium-ion batteries.’ contributed to the 14. Kraftwerk Batterie Fachtagung, Virtual, .
    • Brake T, Leißing M, Wiemers-Meyer S, Winter M, Nowak S. ‘Investigation of homogeneity and reversibility of deposited lithium on the anode surfaces.’ contributed to the 14. Kraftwerk Batterie Fachtagung, Virtual, .
    • Brinkmann J-P, Ehteshami-Flammer N, Luo M, Leißing M, Röser S, Nowak S, Yang Y, Winter M, Li J. ‘Interactions of cation disordered rocksalt cathodes with various electrolytes.’ contributed to the 14. Kraftwerk Batterie Fachtagung, Virtual, .
    • Fischer S, Richter J-H, Wiemers-Meyer S, Winter M, Nowak S. ‘N-METHYL-2-PYRROLIDONE CONTAMINATION IN LABORATORY AIR DURING THE COATING OF LITHIUM ION BATTERY ELECTRODES.’ contributed to the Batterieforum Deutschland, Virtual, .
    Technical Specifications or Manuals
    • Peschel C, Nowak S, Roberts D. . Identification of lithium-ion battery degradation products using GC Orbitrap mass spectrometry . Deutschland, .

    Articles
    Articles in Scientific Journals, Newspapers or Magazines
    Research Articles (Journals)
    • Klein, Sven; Wrogemann, Jens Matthies; van Wickeren, Stefan; Harte, Patrick; Bärmann, Peer; Heidrich, Bastian; Hesper, Jakob Michael; Borzutzki, Kristina; Nowak, Sascha; Börner, Markus; Winter, Martin; Kasnatscheew, Johannes; Placke, Tobias. . ‘Understanding the Role of Commercial Separators and their Reactivity towards LiPF6 on the Failure Mechanism of High-Voltage NCM523 || Graphite Lithium Ion Cells.’ Advanced Energy Materials 12, № 2: 2102599. doi: 10.1002/aenm.202102599.
    • Wickelmann A, Nowak S, Richter S, Recknagel S, Riedel J, Vogl J, Panne U, Abad C. . ‘High-Resolution Atomic Absorption Spectrometry Combined with Machine Learning Data Processing for Isotope Amount Ratio Analysis of Lithium.’ Analytical Chemistry 93, № 29: 10022–10030. doi: 10.1021/acs.analchem.1c00206.
    • Unterumsberger R, Beckhoff B, Gross A, Stosnach H, Nowak S, Stenzel YP, Krämer M, von Bohlen A. . ‘Round Robin test for Total Reflection X-Ray Fluorescence Analysis using preselected and well characterized samples.’ Journal of Analytical Atomic Spectrometry 36: 1933–1945. doi: 10.1039/D1JA00103E.
    • Hanf L, Winter M, Nowak S. . „Warum altern Lithium-Ionen-Batterien? - Entwicklungen zur Quantifizierung von Übergangsmetallspezies.“ G.I.T Laborfachzeitschrift 10: 17–19.
    • Klein, S.; Harte, P.; Henschel, J.; Barmann, P.; Borzutzki, K.; Beuse, T.; van Wickeren, S.; Heidrich, B.; Kasnatscheew, J.; Nowak, S.; Winter, M.; Placke, T.,. . ‘On the Beneficial Impact of Li2CO3 as Electrolyte Additive in NCM523 parallel to Graphite Lithium Ion Cells Under High-Voltage Conditions.’ Advanced Energy Materials 11. doi: 10.1002/aenm.202003756.
    • Klein, S.; van Wickeren, S.; Roser, S.; Barmann, P.; Borzutzki, K.; Heidrich, B.; Borner, M.; Winter, M.; Placke, T.; Kasnatscheew, J. . ‘Understanding the Outstanding High-Voltage Performance of NCM523||Graphite Lithium Ion Cells after Elimination of Ethylene Carbonate Solvent from Conventional Electrolyte.’ Advanced Energy Materials 11. doi: 10.1002/aenm.202003738.
    • Leißing M, Horsthemke F, Wiemers-Meyer S, Winter M, Niehoff P, Nowak S. . ‘The Impact of the C-rate on Gassing during Formation of NMC622 II Graphite Lithium Ion Battery Cells.’ Batteries & Supercaps 4, № 6: 1344–1350. doi: 10.1002/batt.202100056.
    • Kröger T-N, Wiemers-Meyer S, Harte P, Winter M, Nowak S. . ‘Direct multi-element analysis of polydisperse microparticles by Classification-Single Particle ICP-OES in the field of lithium ion battery electrode materials.’ Analytical Chemistry 90, № 20: 7532–7539. doi: 10.1021/acs.analchem.1c01283.
    • Preibisch Y, Peschel C, Dohmann J, Winter M, Nowak S. . ‘Application of Gas Chromatography hyphenated to Atmospheric Pressure Chemical Ionization-Quadrupole-Time-of-Flight-Mass Spectrometry (GC-APCI-Q-TOF-MS) for Structure Elucidation of Degradation Products based on the Cation in Pyr14TFSI.’ Journal of The Electrochemical Society 168, № 2, Focus Issue on Molten Salts and Ionic Liquids II: 026501. doi: 10.1149/1945-7111/abdde7.
    • Wickelmann A, Nowak S, Richter S, Recknagel S, Riedel J, Vogl J, Panne U, Abad C. . ‘High-Resolution Atomic Absorption Spectrometry Combined with Machine Learning Data Processing for Isotope Amount Ratio Analysis of Lithium.’ ChemRxiv PrePrint. doi: 10.26434/chemrxiv.13583024.
    • Brinkmann J-P, Ehteshami-Flammer N, Luo M, Leißing M, Röser S, Nowak S, Yang Y, Winter M, Li J. . ‘Compatibility of Various Electrolytes with Cation Disordered Rocksalt Cathodes in Lithium Ion Batteries.’ ACS Applied Energy Materials 4, № 10: 10909–10920. doi: 10.1021/acsaem.1c01879.
    • Kösters K, Henschel J, Winter M, Nowak S. . ‘Development of a fast online sample preparation for speciation analysis of lithium ion battery electrolyte decomposition products by liquid chromatography hyphenated to ion trap-time of flight-mass spectrometry and to inductively coupled plasma-sector field-mass spectrometry.’ Journal of Chromatography A 1658: 462594. doi: 10.1016/j.chroma.2021.462594.
    • Zech C, Evertz M, Börner M, Kayser S, Hönicke P, Winter M, Nowak S, Beckhoff B. . ‘Quantitative Manganese Dissolution Investigation in Lithium-Ion Batteries by Means of X-ray Spectrometry Techniques.’ Journal of Analytical Atomic Spectrometry 36: 2056–2062. doi: 10.1039/D0JA00491J.
    • Leißing M, Peschel C, Horsthemke F, Wiemers-Meyer S, Winter M, Nowak S. . ‘The origin of gaseous decomposition products formed during SEI formation analyzed by isotope labeling in lithium ion battery electrolytes.’ Batteries & Supercaps 4, № 11: 1731–1738. doi: 10.1002/batt.202100208.
    • Hanton S, Nowak S. . ‘An Introduction to Characterizing the Components of a Lithium-Ion Battery - Ensuring battery performance and safety through high performance analytical science.’ Lab Manager Analytical Testing Drives Production of Lithium-Ion Batteries.
    • Nowak S. . ‘The Analytical Needs for Recycling Lithium-Ion Batteries - Recycling lithium-ion battery cells provides opportunities and challenges.’ Lab Manager Analytical Testing Drives Production of Lithium-Ion Batteries.
    • Nowak S. . ‘The Analytical Needs for Manufacturing and Producing Lithium-Ion Batteries - Delivering high sensitivity measurements for lithium-ion batteries.’ Lab Manager Analytical Testing Drives Production of Lithium-Ion Batteries.
    • Hanf L, Winter M, Nowak S. . ‘Why does aging occur in lithium ion batteries? Advancements in the quantification of transition metal species .’ G.I.T Laboratory Journal Europe 10.
    • Klein S, Harte P, van Wickeren S, Borzutzki K, Röser S, Bärmann P, Nowak S, Winter M, Placke T, Kasnatscheew J. . ‘Re-evaluating common electrolyte additives for high-voltage lithium ion batteries.’ Cell Reports Physical Science 2, № 8: 100521. doi: 10.1016/j.xcrp.2021.100521.
    • Bärmann P, Mohrhardt M, Frerichs JE, Helling M, Kolesnikov A, Klabunde S, Nowak S, Hansen MR, Winter M, Placke T. . ‘Mechanistic Insights into the Pre-Lithiation of Silicon/Graphite Negative Electrodes in ‘Dry State’ and After Electrolyte Addition Using Passivated Lithium Metal Powder.’ Advanced Energy Materials 11, № 25: 2100925. doi: 10.1002/aenm.202100925.
    • Schmiegel JP, Nölle R, Henschel J, Quach L, Nowak S, Winter M, Glorius F, Placke T. . ‘Case study of N-carboxyanhydrides in silicon-based lithium ion cells as a guideline for systematic electrolyte additive research.’ Cell Reports Physical Science 2, № 2: 100327. doi: 10.1016/j.xcrp.2021.100327.
    • Klein, Sven; Harte, Patrick; Henschel, Jonas; Bärmann, Peer; Borzutzki, Kristina; Beuse, Thomas; van Wickeren, Stefan; Heidrich, Bastian; Kasnatscheew, Johannes; Nowak, Sascha; Winter, Martin; Placke, Tobias. . ‘On the Beneficial Impact of Li2CO3 as Electrolyte Additive in NCM523 ∥ Graphite Lithium Ion Cells Under High-Voltage Conditions.’ Advanced Energy Materials 11, № 10: 2003756. doi: 10.1002/aenm.202003756.
    Non-Scientific Contributions (Journals)
    • Wickelmann A, Nowak S, Richter S, Recknagel S, Riedel J, Vogl J, Panne U, Abad C. . ‘Cover Page - High-Resolution Atomic Absorption Spectrometry Combined With Machine Learning Data Processing for Isotope Amount Ratio Analysis of Lithium.’ Analytical Chemistry xxx.
    • Klein S, Harte P, Henschel J, Bärmann P, Borzutzki K, Beuse T, van Wickeren S, Heidrich B, Kasnatscheew J, Nowak S, Winter M, Placke T. . ‘Back Cover "Graphite Lithium‐Ion Cells: On the Beneficial Impact of Li2CO3 as Electrolyte Additive in NCM523 ∥ Graphite Lithium Ion Cells Under High‐Voltage Conditions (Adv. Energy Mater. 10/2021)".’ Advanced Energy Materials 11: 2170039. doi: 10.1002/aenm.202170039.
    Posters
    • Peschel C, Henschel J, Horsthemke F, Winter M, Nowak S. ‘Analysis of isotope labeled lithium-ion battery electrolytes – tracing solvent molecule decomposition during first cycles.’ contributed to the 13. Kraftwerk Batterie Fachtagung, Virtual, .
    • Kröger T-N, Wiemers-Meyer S, Winter M, Nowak S. ‘First insights into the chemo-mechanical interplay of particle micro cracking and electronic contact loss in LIB electrode materials by SP-ICP-OES.’ contributed to the 13. Kraftwerk Batterie Fachtagung, Virtual, .
    • Helling M, Winter M, Nowak S. ‘Elemental lateral and depth analysis of LIBs – Investigating the lithium distribution of pre-lithiated graphite anodes .’ contributed to the Swiss Battery Days, Virtual, .
    • Wiemers-Meyer S, Horsthemke F, Winter M, Nowak S. ‘Analyzing the Reactions of Electrolyte and Cathode in Li/S and Li/Metal Sulfide Batteries.’ contributed to the AABC Europe, Virtual, .
    • Peschel C, Wiemers-Meyer S, Winter M, Nowak S. ‘Capabilities of Isotope Labeling for Mechanistic Understanding of LIB Electrolyte Decomposition.’ contributed to the AABC Europe, Virtual, .
    Project Reports
    • Stenzel YP, Winter M, Nowak S. . Standardisierung der Totalreflexions-Röntgenfluoreszenzanalyse durch neuartige nanoskalige Kalibrierproben (TRFA-KAL) - Abschlussbericht zum Verbundvorhaben . Hannover, .

    Articles
    Articles in Scientific Journals, Newspapers or Magazines
    Research Articles (Journals)
    • Henschel J, Peschel C, Klein S, Horsthemke F, Winter M, Nowak S. . ‘Clarification of decomposition pathways in a state-of-the-art lithium ion battery electrolyte through 13C-labeling of electrolyte components.’ Angewandte Chemie International Edition 59, № 15: 6128–6137. doi: 10.1002/anie.202000727.
    • Preibisch Y, Horsthemke F, Winter M, Nowak S, Best AS. . ‘Is the Cation Innocent? – An Analytical Approach on the Cationic Decomposition Behavior of N-Butyl-N-methylpyrrolidinium Bis(trifluoromethanesulfonyl)imide in Contact with Lithium Metal .’ Chemistry of Materials 32, № 6: 2389–2398. doi: 10.1021/acs.chemmater.9b04827.
    • Lürenbaum C, Vortmann B, Evertz M, Winter M, Nowak S. . ‘Quantitative Spatially Resolved Post-Mortem Analysis of Lithium Distribution and Transition Metal Depositions on Cycled Electrodes via a Laser Ablation-Inductively Coupled Plasma-Optical Emission Spectrometry Method.’ RSC Advances 10: 7083–7091. doi: 10.1039/C9RA09464D.
    • Hanf L, Henschel J, Diehl M, Winter M, Nowak S. . ‘Mn2+ or Mn3+? Investigating transition metal dissolution of manganese species in lithium ion battery electrolytes by capillary electrophoresis.’ Electrophoresis 41, № 9: 697–704. doi: 10.1002/elps.201900443.
    • Horsthemke F, Leißing M, Winkler V, Friesen A, Ibing L, Winter M, Nowak S. . ‘Development of a Lithium Ion Cell Enabling In Situ Analyses of the Electrolyte Using Gas Chromatographic Techniques.’ Electrochimica Acta 338: 135894. doi: 10.1016/j.electacta.2020.135894.
    • Henschel J, Stenzel YP, Winter M, Nowak S. . „Flüssigchromatographie in der Lithiumionenbatterie-Analytik - Welche Rolle spielen Elektrolytzersetzungsprodukte als potenzielle Gefahrstoffe für den Anwender und im Recyclingprozess großer Batteriesysteme? Strukturaufklärung, Quantifizierung und präparative Flüssigchromatographie-Techniken zur Untersuchung von Organo(fluoro)phosphaten als Zersetzungsprodukte in Lithiumionenbatterien .“ LABO 1: 20–22.
    • Henschel J, Schultz C, Vedder S, Winter M, Nowak S. . „Untersuchung der Zersetzung von Lithium-Ionen-Batterie-Elektrolyten mittels LC-MS .“ Analytica Pro 2020: 22–24.
    • Henschel J, Horsthemke F, Stenzel YP, Evertz M, Girod S, Lürenbaum C, Kösters K, Wiemers-Meyer S, Winter M, Nowak S. . ‘Lithium ion battery electrolyte degradation of field-tested electric vehicle battery cells - A comprehensive analytical study.’ Journal of Power Sources 447: 227370. doi: 10.1016/j.jpowsour.2019.227370.
    • Horsthemke F, Stenzel YP, Wiemers-Meyer S, Winter M. Nowak S. . „GC im Kontext der Lithium-Ionen-Batterie - Über die Entwicklung einer in situ Methodik.“ G.I.T Laborfachzeitschrift 12: 36–38.
    • Henschel J, Mense M, Harte P, Diehl M, Buchmann J, Kux F, Schlatt L, Karst U, Hensel A, Winter M, Nowak S. . ‘Phytoremediation of soil contaminated with lithium ion battery active materials – A proof of concept study.’ Recycling 5 (4), № Special Issue: Recycling of Lithium Ion Batteries and Other Next Generation Materials: 26. doi: 10.3390/recycling5040026.
    • Anothumakkool B, Holtstiege F, Wiemers-Meyer S, Nowak S, Schappacher F, Winter M. . ‘Electropolymerisation triggered in situ surface modification of electrode interphases: Alleviating first cycle lithium loss in silicon anode lithium ion batteries.’ ACS Sustainable Chemistry & Engineering 8, № 34: 12788–12798. doi: 10.1021/acssuschemeng.0c02391.
    • Hsieh YC, Leißing M, Nowak S, Hwang BJ, Winter M, Brunklaus G. . ‘Quantification of Dead Lithium via In Situ Nuclear Magnetic Resonance Spectroscopy.’ Cell Reports Physical Science 1, № 8: 100139. doi: 10.1016/j.xcrp.2020.100139.
    • Peschel C, Horsthemke F, Leißing M, Wiemers-Meyer S, Henschel J, Winter M, Nowak S. . ‘Analysis of carbonate decomposition during the interphase formation in isotope labeled lithium ion battery electrolytes – Extending the knowledge about electrolyte soluble species.’ Batteries & Supercaps 3, № 11: 1183–1192. doi: 10.1002/batt.202000170.
    • Hanf L, Diehl M, Kemper L-S, Winter M, Nowak S. . ‘Accessing copper oxidation states of dissolved negative electrode current collectors in lithium ion batteries.’ Electrophoresis 41, № 18-19: 1568–1575. doi: 10.1002/elps.202000155.
    • Hanf L, Diehl M, Kemper L-S, Winter M, Nowak S. . ‘Investigating the oxidation state of Fe from LiFePO4-based lithium ion battery cathodes via capillary electrophoresis.’ Electrophoresis 41, № 18-19: 1549–1556. doi: 10.1002/elps.202000097.
    • Kösters K, Henschel J, Lürenbaum C, Diehl M, Nowak L, Winter M, Nowak S. . ‘Fast sample preparation for organo(fluoro)phosphate quantification approaches in lithium ion battery electrolytes by means of gas chromatographic techniques.’ Journal of Chromatography A 1624: 461258. doi: 10.1016/j.chroma.2020.461258.
    • Motealleh A Czieborowski M, Philipp B, Nowak S, Kehr N S. . ‘Bifunctional Nanomaterials for Enhanced Cell Proliferation and for the Reduction of Bacterial Bioluminescence/Fitness.’ Advanced Materials Interfaces 7, № 13: 2000086. doi: 10.1002/admi.202000086.
    • Leißing M, Winter M, Wiemers-Meyer S, Nowak S. . ‘A Method for Quantitative Analysis of Gases Evolving During Formation Applied on LiNi0.6Mn0.2Co0.2O2 II Natural Graphite Lithium Ion Battery Cells Using Gas Chromatography - Barrier Discharge Ionization Detector.’ Journal of Chromatography A 1622: 461122. doi: 10.1016/j.chroma.2020.461122.
    • Henschel J, Peschel C, Klein S, Horsthemke F, Winter M, Nowak S. . ‘Clarification of decomposition pathways in a state-of-the-art lithium ion battery electrolyte through 13C-labeling of electrolyte components.’ Angewandte Chemie 132, № 15: 6184–6193. doi: 10.1002/ange.202000727.
    • von Aspern N, Leißing M, Wölke C, Diddens D, Kobayashi T, Börner M, Stubbmann-Kazakova O, Kozel V, Röschenthaler G-V, Smiatek J, Nowak S, Winter M, Cekic-Laskovic I. . ‘Non-flammable Fluorinated Phosphorus(III)-based Electrolytes for Advanced Lithium Ion Battery Performance.’ ChemElectroChem 7, № 6: 1499–1508. doi: 10.1002/celc.202000386.
    • Bärmann P, Diehl M, Göbel L, Ruttert M, Nowak S, Winter M, Placke T. . ‘Impact of the Silicon Particle Size on the Pre-Lithiation Behavior of Silicon/Carbon Composite Materials for Lithium Ion Batteries.’ Journal of Power Sources 464: 228224. doi: 10.1016/j.jpowsour.2020.228224.
    • Schmiegel JP, Leißing M, Weddeling F, Horsthemke F, Reiter J, Fan Q, Nowak S, Winter M, Placke T. . ‘Novel In Situ Gas Formation Analysis Technique using a Multilayer Pouch Bag Lithium Ion Cell Equipped with Gas Sampling Port.’ Journal of The Electrochemical Society 167, № 6: 060516. doi: 10.1149/1945-7111/ab8409.
    Non-Scientific Contributions (Journals)
    • Horsthemke F, Winkler V, Diehl M, Winter M, Nowak S. . ‘Cover Page - Concept for the Analysis of the Electrolyte Composition Within the Cell Manufacturing Process: From Sealing to Sample Preparation.’ Energy Technology 8, № Special Issue: Advances in Battery Cell Production: 2070023. doi: 10.1002/ente.202070023.
    • Peschel C, Horsthemke F, Leißing M, Wiemers-Meyer S, Henschel J, Winter M, Nowak S. . ‘Cover Picture - Analysis of Carbonate Decomposition During Solid Electrolyte Interphase Formation in Isotope‐Labeled Lithium Ion Battery Electrolytes: Extending the Knowledge about Electrolyte Soluble Species.’ Batteries & Supercaps 3, № 11: 1123. doi: 10.1002/batt.202000235.
    • Hanf L, Diehl M, Kemper L-S, Winter M, Nowak S. . ‘Cover Page - Investigating the oxidation state of Fe from LiFePO4-based lithium ion battery cathodes via capillary electrophoresis.’ Electrophoresis 41, № 18-19. doi: 10.1002/elps.202070102.
    • Hanf L, Diehl M, Kemper L-S, Winter M, Nowak S. . ‘Cover Page - Accessing copper oxidation states of dissolved negative electrode current collectors in lithium ion batteries.’ Electrophoresis 41, № 18-19. doi: 10.1002/elps.202070102.
    • Hanf L, Henschel J, Diehl M, Winter M, Nowak S. . ‘Cover Page - Mn2+ or Mn3+? Investigating transition metal dissolution of manganese species in lithium ion battery electrolytes by capillary electrophoresis.’ Electrophoresis 41, № 9. doi: 10.1002/elps.202070042.
    Posters
    • Henschel J, Horsthemke F, Stenzel YP, Evertz M, Girod S, Lürenbaum C, Kösters K, Wiemers-Meyer S, Winter M, Nowak S. ‘Lithium ion battery electrolyte degradation of field-tested electric vehicle battery cells – comprehensive analytical study.’ contributed to the 12. Kraftwerk Batterie Fachtagung, Münster, .
    • Kösters K, Nowak L, Winter M, Nowak S. ‘Removal of Hexafluorophosphate for a Faster and Interference Free Analysis of Lithium Ion Battery Decomposition Products.’ contributed to the 12. Kraftwerk Batterie Fachtagung, Münster, .
    • Leißing M, Schäger T, Winter M, Nowak S. ‘Operando Analyses of Gaseous Decomposition Products during SEI Formation.’ contributed to the 12. Kraftwerk Batterie Fachtagung, Münster, .
    • Peschel C, Henschel J, Winter M, Nowak S. ‘Insights into electrochemical decomposition of lithium ion battery electrolytes via 13C labeling of ethylene carbonate.’ contributed to the 12. Kraftwerk Batterie Fachtagung, Münster, .
    • Kröger T-N, Wiemers-Meyer S, Winter M, Nowak S. ‘Investigation of Electronical Contact Loss in Lithium Ion Battery Cathodes by ICP-OES.’ contributed to the 12. Kraftwerk Batterie Fachtagung, Münster, .
    • Harte P, Winter M, Nowak S. ‘Study of transition metal dissolution and subsequent deposition in lithium ion batteries by means of surface sensitive techniques.’ contributed to the 12. Kraftwerk Batterie Fachtagung, Münster, .
    • Schmiegel JP, Leißing M, Nowak S, Winter M, Placke T. ‘Towards Fundamental Understanding of the Reaction Mechanism of Electrolyte Additives by In situ Gas Formation Analysis in Multilayer Pouch Bag Cells Equipped with a Gas Sampling Port.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Kösters K, Fischer S, Leißing M, Winter M, Nowak S. ‘Gas and Liquid Chromatographic Techniques in Lithium Ion Battery Electrolyte Analysis - A Chromatographic Curriculum Vitae.’ contributed to the 30. Doktorandenseminar des AK Separation Science, Duisburg, .
    • Wiemers-Meyer S, Kröger T-N, Winter M, Nowak S. ‘Investigating Electronical Contact Loss Between LIB Cathode Particles by ICP-OES.’ contributed to the AABC Europe, Wiesbaden, .
    • Horsthemke F, Winkler V, Friesen A, Leißing M, Ibing L, Winter M, Nowak S. ‘Development of a Lithium Ion Cell Enabling In Situ Analyses of the Electrolyte by Gas Chromatography-Mass Spectrometry.’ contributed to the AABC Europe, Wiesbaden, .
    • A. Gross, H. Stosnach, B. Beckhoff, R. Unterumsberger, A. von Bohlen, M. Krämer, S. Nowak. ‘How to use a pipette for TXRF – GI-XRF characterization of µL depositions.’ contributed to the European Conference on X-Ray Spectrometry: EXRS2020, Brügge, .
    • Leißing M, Peschel C, Schmiegel JP, Winter M, Nowak S. ‘Gas Phase Analyses of 13C-Labeled Lithium Ion Battery Electrolytes by Means of GC-MS.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Stenzel YP, Winter M, Nowak S. ‘Aging of lithium ion battery electrolyte – Accessing potentially toxic organophosphorus compounds using GC-MS and GC-ICP-SF-MS.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Kösters K, Henschel J, Winter M, Nowak S. ‘Quantification of Organo(fluoro)phosphates by means of HPLC-ICP-MS from field tested electric vehicles.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Mense M, Winter M, Nowak S. ‘First Insights into Tracing the Lithium Ion Movement During the Formation Process of Lithium Ion Batteries.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Harte P, Winter M, Nowak S. ‘Identifying transition metal deposition patterns on aged graphite anodes by means of LA-ICP-MS imaging.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Hanf L, Winter M, Nowak S. ‘Investigation of Transition Metal Species in Lithium Ion Batteries by Means of CE/ICP-MS.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Preibisch Y, Winter M, Nowak S. ‘Identification of Decomposition Products in Pyrrolidinium-based Ionic Liquid Electrolytes in Lithium Ion Batteries by means of GC/APCI-Q-TOF.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • van Wickeren S, Winter M, Nowak S. ‘Investigation of the catalytic effect of manganese (II) on lithium ion battery electrolytes via ion chromatography hyphenated to mass spectrometry.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Peschel C, Horsthemke F, Henschel J, Winter M, Nowak S. ‘Investigations of Isotope Labeled Lithium Ion Battery Electrolytes via GC-MS-based Techniques.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Henschel J, Peschel C, Winter M, Nowak S. ‘Clarification of decomposition pathways in a state-of-the-art lithium ion battery electrolyte through 13C-labeling and LC-HRMS2.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    • Helling M, Diehl M, Winter M, Nowak S. ‘Determining the Influence of Pre-Lithiation Techniques on the Lithium Distribution in Graphitic Electrodes for Lithium Ion Batteries.’ contributed to the 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, .
    Project Reports
    • Nowak S, Winter M. . Beschleunigung der Elektrolytaufnahme durch optimierte Befüllungs- und Wettingprozesse (Cell-Fi) - Abschlussbericht zum Verbundvorhaben . Hannover, .

    Research Articles (Journals)
    • Henschel J, Peschel C, Günter F, Reinhart G, Winter M, Nowak S. . ‘Reaction Product Analysis of the Most Active “Inactive” Material in Lithium-Ion Batteries—The Electrolyte. II: Battery Operation and Additive Impact.’ Chemistry of Materials 24: 9977–9983. doi: 10.1021/acs.chemmater.9b04135.
    • Henschel J, Dressler M, Winter M, Nowak S. . ‘Reaction Product Analyses of the Most Active “Inactive” Material in Lithium-Ion Batteries—The Electrolyte. I: Thermal Stress and Marker Molecules.’ Chemistry of Materials 24: 9970–9976. doi: 10.1021/acs.chemmater.9b04133.
    • Motealleh A, Celebi-Saltik B, Ermis N, Nowak S, Khademhosseini A, Kehr N S. . ‘3D Printing of Step-Gradient Nanocomposite Hydrogels for Controlled Cell Migration.’ Biofabrication 11, № 4: 045015. doi: 10.1088/1758-5090/ab3582.
    • Henschel J, Wiemers-Meyer S, Diehl M, Lürenbaum C, Jiang, W, Winter M, Nowak S. . ‘Preparative hydrophilic interaction liquid chromatography of acidic organofluorophosphates formed in lithium ion battery electrolytes.’ Journal of Chromatography A 1603: 438–441. doi: 10.1016/j.chroma.2019.07.008.
    • Stenzel YP, Börner M, Preibisch Y, Winter M, Nowak S. . ‘Thermal profiling of lithium ion battery electrodes at different states of charge and aging conditions.’ Journal of Power Sources 433: 226709. doi: 10.1016/j.jpowsour.2019.226709.
    • Diehl M, Evertz M, Winter M, Nowak S. . ‘Deciphering the Lithium Ion Movement in Lithium Ion Batteries: Determination of the Isotopic Abundances of 6Li and 7Li.’ RSC Advances 9, № Editors' Collection: Lithium-ion batteries and beyond - materials, processes and recycling: 12055–12062. doi: 10.1039/C9RA02312G.
    • Stenzel YP, Horsthemke F, Winter M, Nowak S. . ‘Chromatographic Techniques in the Research Area of Lithium Ion Batteries: Current State-of-the-Art .’ Separations 6 (2), № Special Issue: Analytic Techniques for Lithium Ion Batteries Analysis: 26. doi: 10.3390/separations6020026.
    • Schilling A, Wiemers-Meyer S, Winkler V, Nowak S, Hoppe B, Heimes HH, Dröder A, Winter M. . ‘Influence of separator material on infiltration rate and wetting behaviour of lithium ion batteries.’ Energy Technology 8, № Special Issue: Advances in Battery Cell Production: 1900078. doi: 10.1002/ente.201900078.
    • Stenzel YP, Henschel J, Winter M, Nowak S. . ‘ A new hydrophilic interaction liquid chromatography - inductively coupled plasma-sector field-mass spectrometer (HILIC-ICP-SF-MS) method for the quantification of organo(fluoro)phosphates as decomposition products of lithium ion battery electrolytes.’ RSC Advances 9: 11413–11419. doi: 10.1039/C9RA01291E.
    • Nowak S. . „Die Rolle der Chromatographie in der Batterieforschung - Mehr als nur Routine .“ chrom+foodFORUM 03: 46–47.
    • Stenzel YP, Wiemers-Meyer S, Edel J, Winter M, Nowak S. . ‘Analysis of acidic organo(fluoro)phosphates as decomposition product of lithium ion battery electrolytes via derivatization Gas Chromatography-Mass Spectrometry .’ Journal of Chromatography A 1592: 188–191. doi: 10.1016/j.chroma.2019.02.022.
    • Henschel J, Schwarz L, Glorius F, Winter M, Nowak S. . ‘Further insights into structural diversity of phosphorus-based decomposition products in lithium ion battery electrolytes via liquid chromatographic techniques hyphenated to ion trap - time of flight mass spectrometry.’ Analytical Chemistry 91, № 6: 3980–3988. doi: 10.1021/acs.analchem.8b05229.
    • Horsthemke F, Winkler V, Diehl M, Winter M, Nowak S. . ‘Concept for the Analysis of the Electrolyte Composition Within the Cell Manufacturing Process: From Sealing to Sample Preparation.’ Energy Technology 8, № Special Issue: Advances in Battery Cell Production: 1801081. doi: 10.1002/ente.201801081.
    • Evertz M, Kasnatscheew J, Winter M, Nowak S. . ‘Investigation of Various Layered Lithium Ion Battery Cathode Materials by Plasma- and X-ray-Based Element Analytical Techniques .’ Analytical and Bioanalytical Chemistry 411, № 1: 277–285. doi: 10.1007/s00216-018-1441-8.
    • Schäfer D, Klaus VH, Kleinebecker T, Boeddinghaus RS, Hinderling J, Kandeler E, Marhan S, Nowak S, Sonnemann I, Wurst S, Fischer M, Hölzel N, Hamer U, Prati D. . ‘Recovery of ecosystem functions after experimental disturbance in 73 grasslands differing in land-use intensity, plant species richness and community composition.’ Journal of Ecology 107: 2635–2649. doi: 10.1111/1365-2745.13211.
    • Harte P, Evertz M, Schwieters T, Diehl M, Winter M, Nowak S. . ‘Adaptation and Improvement of an Elemental Mapping Method for Lithium Ion Battery Electrodes and Separators by Means of Laser Ablation- Inductively Coupled Plasma-Mass Spectrometry .’ Analytical and Bioanalytical Chemistry 411, № Special Issue: Elemental and Molecular Imaging by Laser Ablation ICP-MS: 581–589. doi: 10.1007/s00216-018-1351-9.
    • Horsthemke F, Friesen A, Ibing L, Klein S, Winter M, Nowak S. . ‘Possible Carbon-Carbon Bond Formation During Decomposition? Characterization and Identification of New Decomposition Products in Lithium Ion Battery Electrolytes by Means of SPME-GC-MS.’ Electrochimica Acta 295: 401–409. doi: 10.1016/j.electacta.2018.08.159.
    • Schmiegel JP, Qi X, Klein S, Winkler V, Evertz M, Nölle R, Henschel J, Reiter J, Terborg L, Fan Q, Liang C, Nowak S, Winter M, Placke T. . ‘Improving the Cycling Performance of High-Voltage NMC111 || Graphite Lithium Ion Cells by an Effective Urea-based Electrolyte Additive.’ Journal of The Electrochemical Society 166, № 13: A2910–A2920. doi: 10.1149/2.0691913jes.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Kubot, Maximilian; Nowak, Sascha Nowak; Winter, Martin. ‘Organofluorophosphates As Electrochemical Aging Products in Lithium Ion Battery Electrolytes.’ contributed to the 241st ECS Meeting, Vancouver, . doi: 10.1149/MA2022-012390mtgabs.
    • Mense M, Siozios V, Winter M, Nowak S. ‘Investigations on the Aging-Related Lithium Loss in Lithium Ion Batteries by Using 6Li-Isotopically-Enriched Cathode Material and Post-Mortem Analysis by Means of Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/10/0450.
    • Wiemers-Meyer S, Winter M, Nowak S. ‘In Situ NMR Study on Lib Electrolytes -Tracing the Network of Reactions in a Battery-.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/2/81.
    • Stenzel YP. Henchel J, Winter M, Nowak S. ‘Aging of Lithium Ion Battery Electrolytes – Novel Analysis Techniques for Elucidation of Potentially Hazardous Decomposition Products.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/2/130.
    • Evertz M, Winter M, Nowak S. ‘Investigation of Aging Effects in Layered Lithium Transition Metal Oxides Using X-Ray and Plasma-Based Techniques.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/2/127.
    • Horsthemke F, Winkler V, Friesen A, Winter M, Nowak S. ‘Insights into Electrolyte Decomposition Phenomena Utilizing Solid Phase Microextraction - Gas Chromatography - Mass Spectrometry in Combination with an in Situ Lithium Ion Cell.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/2/113.
    • Kröger T-N, Wiemers-Meyer S, Nowak S. ‘First Insights for the Investigation of the Electrical Contact Among the Particles of Lithium Ion Battery Cathode Materials.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/2/129.
    • Harte P, Mense M, Nowak S, Winter M. ‘Elemental Analysis of Aging Effects in Lithium Ion Batteries By Means of Laser Ablation-Inductively Coupled Mass Spectrometry.’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/2/140.
    • Nowak S, Evertz M, Diehl M, Kenkel A, Winter M. ‘Novel Perceptions of Lithium Ion Batteries: Isotopic Labeling for Insights into Lithium Losses and Solid Electrolyte Interphase Formation By Means of Plasma-Based Techniques .’ contributed to the The Electrochemical Conference on Energy and the Environment (ECEE 2019), Glasgow, . doi: 10.1149/MA2019-04/3/176.
    Posters
    • Helling M, Diehl M, Winter M, Nowak S. ‘Surface Analysis of Pre-Lithiated Electrodes by Means of Glow Discharge-Sector Field-Mass Spectrometry (GD-SF-MS).’ contributed to the Anwendertreffen Analytische Glimmentladungsspektrometrie, Freiberg, .
    • Lürenbaum C, Kröger T-N, Fehlings N, Stenzel YP, Winter M, Nowak S. ‘The Influence of Sample Preparation and Orientation in Total Reflection X-Ray Fluorescence Analysis – An Example from Lithium Ion Battery Research.’ contributed to the CANAS 2019, Freiberg, .
    • Kösters K, Henschel J, Winter M, Nowak S. ‘LC-MS hyphenation techniques in the field of lithium ion battery electrolytes – Quantification of phosphorus decomposition products.’ contributed to the 48TH International Symposium on High-Performance Liquid Phase Separations and Related Techniques, Mailand, .
    • Henschel J, Kösters K, Winter M, Nowak S. ‘LC-MS hyphenation techniques in the field of lithium ion battery electrolytes – Structure elucidation of phosphorous decomposition products.’ contributed to the 48TH International Symposium on High-Performance Liquid Phase Separations and Related Techniques, Mailand, .
    • Kösters K, Henschel J, Winter M, Nowak S. ‘Quantification of phosphorus decomposition products in the field of lithium ion battery electrolytes by means of LC-MS.’ contributed to the Forschung in der Chemischen Industrie, 8. FoChIn, Münster, .
    • Henschel J, Schwarz L, Glorius F, Winter M, Nowak S. ‘Structure elucidation of phosphorus decomposition products in the field of lithium ion battery electrolytes by means of LC-MS.’ contributed to the Forschung in der Chemischen Industrie, 8. FoChIn, Münster, .
    • Mense M, Siozios V, Winter M, Nowak S. ‘Investigations on the Aging‑Related Lithium Loss in Lithium Ion Batteries by Using 6Li-Isotopically-Enriched Cathode Material and Post-Mortem Analysis by Means of Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.’ contributed to the The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, .
    • Heidrich, Bastian; Börner, Markus; Nowak, Sascha; Schappacher, Falko Mark; Winter, Martin. ‘Systematic Optimization of the Electrolyte Composition – Towards High Temperature Lithium Ion Batteries.’ contributed to the 11. Kraftwerk Batterie Fachtagung, Aachen, .
    • Henschel J, Stenzel YP. Winter M, Nowak S. ‘Quantification of potentially toxic Phosporus-based decomposition products in Lithium Ion battery electrolytes.’ contributed to the 11. Kraftwerk Batterie Fachtagung, Aachen, .
    • Harte P, Mense M, Winter M, Nowak S. ‘Elemental Analysis of Aging Effects in Lithium Ion Batteries By Means of Laser Ablation-Inductively Coupled Mass Spectrometry.’ contributed to the The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, .
    • Stenzel YP, Henschel J, Winter M, Nowak S. ‘Aging of Lithium Ion Battery Electrolytes – Novel Analysis Techniques for Elucidation of Potentially Hazardous Decomposition Products.’ contributed to the The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, .
    • Kröger, T-N, Wiemers-Meyer S, Winter M, Nowak S. ‘First Insights for the Investigation of the Electrical Contact Among the Particles of Lithium Ion Battery Cathode Materials.’ contributed to the The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, .
    • Evertz M, Winter M, Nowak S. ‘Investigation of Aging Effects in Layered Lithium Transition Metal Oxides Using X‑Ray and Plasma-Based Techniques Presentati.’ contributed to the The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, .
    • Leißing M, Horsthemke F, Winter M, Nowak S. ‘Quantification of Electrolyte Decomposition Products Evolved from Lithium Ion Batteries by GC-BID.’ contributed to the ANAKON 2019, Münster, .
    • Diehl M, Winter M, Nowak S. ‘Glow Discharge Mass Spectrometry – A Versatile Tool for Analyzing Lithium Ion Battery Materials.’ contributed to the ANAKON 2019, Münster, .
    • Hanf L, Winter M, Nowak S. ‘Investigation of Transition Metal Dissolution Mechanisms in Lithium Ion Batteries by Means of Capillary Electrophoresis.’ contributed to the ANAKON 2019, Münster, .
    • Kösters K, Henschel J, Winter M, Nowak S. ‘Development of a Counter Gradient HPLC-ICP-MS Method for Quantification of Filed-tested Electric Vehicle Battery Electrolytes.’ contributed to the ANAKON 2019, Münster, .
    • Horsthemke F, Winkler V, Friesen A, Winter M, Nowak S. ‘Development of a lithium ion cell for in situ investigations of electrolytes utilizing solid phase microextraction - gas chromatography - mass spectrometry.’ contributed to the ANAKON 2019, Münster, .
    • Fischer S, Horsthemke F, Leißing M, Winter M, Nowak S. ‘Consecutive Investigation of Electrolyte Constituents in Lithium Ion Batteries under Conditions of Thermal Runaway.’ contributed to the ANAKON 2019, Münster, .
    • Stenzel YP, Henschel J, Winter M, Nowak S. ‘Analysis of acidic organo(fluoro)phosphates as decomposition product of lithium ion batteries via HILIC-ICP-SF-MS and derivatization GC-MS.’ contributed to the ANAKON 2019, Münster, .
    • Evertz M, Diehl M, Kenkel A, Winter M, Nowak S. ‘Novel Perceptions of Lithium Ion Batteries: Isotopic Labeling for Insights into Lithium Losses and Solid Electrolyte Interphase Formation by Means of Plasma‑based Techniques.’ contributed to the ANAKON 2019, Münster, .
    • Kröger T-N, Wiemers-Meyer S, Winter M, Nowak S. ‘Particle Investigation of Lithium Ion Battery Cathode Materials.’ contributed to the ANAKON 2019, Münster, .
    • Preibisch Y, Stenzel YP, Börner M, Winter M, Nowak S. ‘Thermal Profiling of LIB Electrodes by Evolved Gas Analysis and Analytical Pyrolysis.’ contributed to the ANAKON 2019, Münster, .
    • Diehl M, Bärmann P, Ambrock K, Friesen A, Winter M, Nowak S. ‘Application of Glow Discharge Mass Spectrometry for Analyzing Si/C-Composite Anodes for Lithium Ion Batteries – Determining the Infuence of the State of Charge and Dry Film Thickness .’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Rau S, Zausch J, Günter F, Schilling A, Nowak S, Winkler V, Hoppe B, Reinhart G, Dröder K, Winter M, Kamper A. ‘Simulation der Dosierung und Benetzung des Befüllprozesses von Li-Ionen-Zellen.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Schilling A, Günter F, Nowak S, Winkler V, Zausch J, Hoope B, Dröder K, Reinhart G, Winter M, Schuh G. ‘Beschleunigung der Elektrolytaufnahme durch optimierte Befüllungs- und Wettingprozesse .’ contributed to the Batterieforum Deutschland, Berlin, .
    • Diehl M, Evertz M, Winter M, Nowak S. ‘Deciphering the Lithium Ion Movement in Lithium Ion Batteries: Determination of the Isotopic Abundances of 6Li and 7Li.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Evertz M, Kröger T-N, Winter M, Nowak S. ‘Total Reflection X-ray Fluorescence of Lithium Ion Battery Electrolytes from Field-Tested Electric Vehicles.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Evertz M, Diehl M, Kenkel A, Winter M, Nowak S. ‘New Insights into Lithium Losses and Solid Electrolyte Interphase Formation of Lithium Ion Batteries via Isotopic Labeling by Means of Plasma-based Techniques.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Wiemers-Meyer S, Winter M, Nowak S. ‘Revealing the Network of Reactions in Lithium Ion Batteries.’ contributed to the AABC Europe, Strassbourg, .
    • Henschel J, Winter M, Nowak S. ‘Speciation of phosphorus-based decomposition products in lithium ion battery electrolytes by HPLC-ICP-SF-MS.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Kröger T-N, Wiemers-Meyer S, Winter M, Nowak S. ‘Particle Analysis of Lithium Ion Battery Materials.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Leißing M, Horsthemke F, Winter M, Nowak S. ‘Barrier Ionization Discharge (BID) Detector A Powerful GC-Detector to Quantify Permanent Gases and Light Hydrocarbons, Evolved from Lithium Ion Batteries .’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Hanf L, M. Leissing, Winter M, Nowak S. ‘Investigation of transition metal species in lithium ion battery electrolytes by means of CE/ICP-MS – A new approach to reveal the dissolution mechanism of transition metals from cathode materials.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Kösters K, Henschel J, Winter M, Nowak S. ‘Development of a LC ICP MS with a Counter Gradient Method for Quantification of Decomposition Products of Lithium Ion Battery Electrolytes.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Harte P, Winter M, Nowak S. ‘Application of Laser Ablation-Inductively Couples Plasma-Mass Spectrometry for Investigation of Li, Mn, Co and Ni Deposition Patterns on Carbonaceous Anodes in Lithium Ion Batteries.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Harte P, Mense M, Schwieters T, Evertz M, Winter M, Nowak S. ‘Adaptation and Improvement of an Elemental Mapping Method for Lithium Ion Battery Electrodes via of Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.’ contributed to the European Winter Conference on Plasma Spectrochemistry 2019, Pau, .
    • Rothermel S, Grützke M, Winter M, Nowak S. ‘Recycling and Characterization of Active Materials from Spent Li-Ion Batteries.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Schwieters T, Harte P, Evertz M, Börner M, Winter M, Nowak S. ‘Visualizing elemental deposition patterns on carbonaceous anodes from lithium ion batteries: Influence of the cell inner pressure distribution on the deposition of lithium, nickel, manganese and cobalt after dissolution and migration from the Li1[Ni1/3Mn1/3Co1/3]O2 cathode.’ contributed to the Batterieforum Deutschland, Berlin, .
    Research Article (Book Contributions)
    • Wiemers-Meyer S, Winter M, Nowak S. . ‘NMR as a powerful tool to study lithium ion battery electrolytes.’ In Annual Reports on NMR Spectroscopy , edited by Webb Graham A., 121–162. Amsterdam: Elsevier. doi: 10.1016/bs.arnmr.2018.12.003.
    • Bevergungen D, Menne S, Nowak S, Obeidi S, Plenter F, Hindersmann C. . „Einführung in die Umwidmung und Weiterverwendung von Traktionsbatterien.“ In Umwidmung und Weiterverwendung von Traktionsbatterien, herausgegeben von Becker Jörg, Beverungen Daniel, Winter Martin, Menne Sebastian, 1–20. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-658-21021-2_1.
    • Menne S, Obeidi S, Hindersmann C, Bräuer S, Mohnhof M, Nowak S. . „Die Umwidmung gebrauchter Traktionsbatterien in der Detailbetrachtung.“ In Umwidmung und Weiterverwendung von Traktionsbatterien, herausgegeben von Becker Jörg, Beverungen Daniel, Winter Martin, Menne Sebastian, 125–178. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-658-21021-2_3.
    • Beverungen D, Hindersmann C, Menne S, Nowak S, Obeidi S, Plenter F. . „Forschungsausblick zur Umwidmung und Weiterverwendung von Traktionsbatterien.“ In Umwidmung und Weiterverwendung von Traktionsbatterien, herausgegeben von Becker Jörg, Beverungen Daniel, Winter Martin, Menne Sebastian, 335–350. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-658-21021-2_8.

    Research Articles (Journals)
    • Nowak S, Winter M. . ‘Recycling of Lithium Ion Batteries - Reapplication of the Recovered Materials as Lithium Ion Battery Materials.’ G.I.T Laboratory Journal Europe 2, № 22: 32–33.
    • Henschel J, Winter M, Nowak S, Jiang W. . ‘Analysis of Organophosphates in Lithium Ion Battery Electrolytes by HILIC-ESI-MS .’ LC GC Europe 30, № 12: 691–692.
    • Schwieters T, Evertz M, Fengler A, Börner M, Dagger T, Stenzel Y, Harte P, Winter M, Nowak S. . ‘Visualizing elemental deposition patterns on carbonaceous anodes from lithium ion batteries: A laser ablation-inductively coupled plasma-mass spectrometry study on factors influencing the deposition of lithium, nickel, manganese and cobalt after dissolution and migration from the Li1[Ni1/3Mn1/3Co1/3]O2 and LiMn1.5 Ni0.5O4 cathode.’ Journal of Power Souces 380: 194–201. doi: 10.1016/j.jpowsour.2018.01.088.
    • Nowak S, Winter M. . ‘The role of cations on the performance of lithium ion batteries: A quantitative analytical approach.’ Accounts of Chemical Research 52 (2), № Energy Storage: Complexities Among Materials and Interfaces at Multiple Length Scales: 265–272. doi: 10.1021/acs.accounts.7b00523.
    • Evertz M, Kröger T-N, Winter M, Nowak S. . ‘Total Reflection X-Ray Fluorescence in the Field of Lithium Ion Batteries – Elemental Detection in Lithium containing Electrolytes using Nanoliter Droplets.’ Spectrochimica Acta Part B: Atomic Spectroscopy 149, № Special Issue: 17th International Conference on Total Reflection X-Ray Fluorescence Analysis and Related Methods (TXRF2017): 118–123. doi: 10.1016/j.sab.2018.07.027.
    • Dagger T, Kasnatscheew J, Vortmann-Westhoven B, Schwieters T, Nowak S, Winter M, Schappacher F. . ‘Performance tuning of lithium ion battery cells with area-oversized graphite based negative electrodes.’ Journal of Power Sources 396: 519–526. doi: 10.1016/j.jpowsour.2018.06.043.
    • Stenzel YP, Winter M, Nowak S. . ‘Evaluation of different plasma conditions and resolutions for understanding elemental organophosphorus analysis via GC-ICP-SF-MS.’ Journal of Analytical Atomic Spectrometry 33: 1041–1048. doi: 10.1039/C8JA00092A.
    • Vortmann-Westhoven B, Diehl M, Winter M, Nowak S. . ‘Ion Chromatography with Post-column Reaction and Serial Conductivity and Spectrophotometric Detection Method Development for Quantification of Transition Metal Dissolution in Lithium Ion Battery Electrolytes.’ Chromatographia 81, № 7: 995–1002. doi: 10.1007/s10337-018-3540-2.
    • Klaus VH, Kleinebecker T, Busch V, Fischer M, Hölzel, Nowak S, Prati D, Schäfer D, Schöning I, Schrumpf M, Hamer U. . ‘Land use intensity, rather than plant species richness, affects the leaching risk of multiple nutrients from permanent grasslands.’ Global Change Biology 24, № 7: 2828–2840. doi: 10.1111/gcb.14123.
    Conference Contributions
    Research Articles in Edited Proceedings (Conferences)
    • Rothermel S, Winter M, Nowak S. . ‘Recycling of graphite and reutilization as anode material in lithium ion battery cells.’ In Global Battery Raw Materials Symposium 2018, edited by Cambridge EnerTech, Cambridge Innovation Institute, 192–203. Newcastle upon Tyne: Cambridge Scholars Publishing.
    Abstracts in Digital Collections (Conferences)
    • Wiemers-Meyer S, Winter M, Nowak S. ‘In Situ NMR Measurements of Lib Electrolytes - Revealing the Network of Reactions in a Battery.’ contributed to the ECS and SMEQ Joint International Meeting 2018, Cancun, . doi: 10.1149/MA2018-02/6/452.
    Posters
    • Hanf L, Wilken A, Winter M, Nowak S. ‘Investigation of Transition Metal-Based Cathode Materials – Speciation of Dissolved Mn2+/Mn3+ by Means of Capillary Electrophoresis.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Lürenbaum C, Schwieters T, Evertz M, Winter M, Nowak S. ‘A LASER ABLATION ICP-OES METHOD FOR THE INVESTIGATION OF LITHIUM AND TRANSITION METAL DEPOSITIONS FROM LITHIUM ION BATTERY ELECTRODES.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Horsthemke F, Leißing M, Fischer S, Winter M, Nowak S. ‘UTILIZATION OF A BARRIER IONIZATION DISCHARGE DETECTOR TO INVESTIGATE PERMANENT GASES EMERGING IN LITHIUM ION BATTERIES.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Henschel J, Stenzel YP, Winter M, Nowak S. ‘SPECIATION OF POTENTIAL TOXIC DECOMPOSITION PRODUCTS IN LITHIUM ION BATTERY ELECTROLYTES BY COMBINATION OF HPLC-ION TRAP TIME OF FLIGHT-MS AND HPLC-ICP-MS.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Hanf L, Wilken A, Winter M, Nowak S. ‘QUANTIFICATION OF DISSOLVED MN2+/3+ IN LITHIUM ION BATTERY ELECTROLYTES BY MEANS OF CE/ICP-MS – A NEW APPROACH FOR THE INVESTIGATION OF TRANSITION METAL DISSOLUTION FROM CATHODE MATERIALS.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Diehl M, Evertz M, Winter M, Nowak S. ‘DETERMINING THE MIGRATION OF LITHIUM IN AGED LITHIUM ION BATTERIES BY PERFORMING AN ISOTOPE DILUTION ANALYSIS COMBINED WITH DIFFERENT PLASMA-BASED TECHNIQUES .’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Diehl M, Naber V, Stenzel YP, Winter M, Nowak S. ‘DECIPHERING THE LITHIUM ION MOVEMENT IN LITHIUM ION BATTERIES: DETERMINATION OF THE ISOTOPIC ABUNDANCES OF 6Li AND 7Li VIA HIGH RESOLUTION ICP OES FOR AGING ANALYSES.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Evertz M, Schwieters T, Börner M, Winter M, Nowak S. ‘MATRIX-MATCHED STANDARDS FOR GLOW DISCHARGE SECTOR FIELD-MASS SPECTROMETRY FOR THE ANALYSIS OF LITHIUM ION BATTERY ELECTRODES.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Wiemers-Meyer S, Kröger T-N, Winter M, Nowak S. ‘INVESTIGATING ELECTRICAL CONTACT LOSS WITHIN LITHIUM ION BATTERY ELECTRODES BY MEANS OF SINGLE PARTICLE ANALYSIS WITH ICP-OES AND -MS .’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Schwieters T, Harte P, Evertz M, Börner M, Winter M, Nowak S. ‘Visualizing elemental deposition patterns on graphite anodes from lithium ion batteries: A laser ablation-inductively coupled plasma-mass spectrometry study on factors influencing the deposition of lithium, nickel, manganese and cobalt.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Stenzel YP, Winter M, Nowak S. ‘ANALYSIS OF ORGANOPHOSPHORUS AGING PRODUCTS IN LITHIUM ION BATTERY ELECTROLYTES VIA GC-ICP-SF-MS AND GC-EI-MS.’ contributed to the 9th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Evertz M, Kasnascheetw J, Winter M, Nowak S. ‘Application of Total Reflection X-Ray Fluorescence for the Investigation of Transition Metal Dissolution in the Field of Lithium Ion Batteries.’ contributed to the European Conference on X-Ray Spectrometry: EXRS2018, Ljubljana, .
    • Diehl M, Evertz M, Ibing L, Winter M, Nowak S. ‘Combining Direct Solid Depth Profiling with Isotope Dilution Analysis by Means of Glow Discharge Mass Spectrometry - A Powerful Tool for Aging Analyses of Lithium Ion Batteries.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Horsthemke F, Friesen A, Mönnighoff X, Stenzel YP, Grützke M, Winter M, Nowak S. ‘Characterization of aging products in lithium ion battery electrolytes by means of solid phase microextraction - gas chromatography - mass spectrometry.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Schwieters T, Evertz M, Börner M, Winter M, Nowak S. ‘Visualizing elemental deposition patterns on carbonaceous anodes from lithium ion batteries.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Rothermel S, Grützke M, Winter M, Nowak S. ‘Electrochemical Investigations of Recycled Active Materials from Spent Li-Ion Batteries.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Henschel J, Winter M, Nowak S. ‘Analysis of Lithium Ion Battery electrolyte - Structural elucidation of aging products by HPLC-MSn.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Preibisch Y, Stenzel YP, Winter M, Nowak S. ‘INVESTIGATION OF ENVIRONMENTAL FRIENDLY BINDER MATERIALS FOR LI ION BATTERIES BY MEANS OF PYROLYSIS-GC/MS.’ contributed to the 10. Kraftwerk Batterie Fachtagung, Münster, .
    • Diehl M, Winter M, Nowak S. ‘ELUCIDATING THE IMPACT OF PULSE DURATION AND FREQUENCY OF PULSED GD-SF-MS METHOD DEVELOPMENT OF LITHIUM ION BATTERY COMPONENTS.’ contributed to the 4th International Glow Discharge Spectroscopy Symposium (IGDSS2018), Berlin, .
    • Lürenbaum C, Evertz M, Kasnascheetw J, Winter M, Nowak S. ‘Total Reflection X-ray Fluorescence in the Analysis of Lithium Ion Battery Materials.’ contributed to the CANAS & ESAS 2018, Berlin, .
    • Diehl M, Evertz M, Ibing L, Winter M, Nowak S. ‘Depth-Resolved Isotope Dilution Analysis by Means of Glow Discharge Mass Spectrometry – a Versatile Technique for the Direct Solid Analysis of Lithium Ion Battery Components.’ contributed to the CANAS & ESAS 2018, Berlin, .
    Research Article (Book Contributions)
    • Rothermel S, Krüger S, Winter M, Nowak S. . ‘Hydrometallurgical Processing and Thermal Treatment of Active Materials.’ In Recycling of Lithium-Ion Batteries, edited by Kwade A, Diekmann J, 219–246. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-70572-9_13.
    • Rothermel S, Winter M, Nowak S. . ‘Background.’ In Recycling of Lithium-Ion Batteries, edited by Kwade A, Diekmann J, 1–31. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-70572-9_1.
    • Diekmann J, Rothermel S, Nowak S, Kwade A. . ‘The LithoRec Process.’ In Recycling of Lithium-Ion Batteries, edited by Kwade A, Diekmann J, 33–38. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-70572-9_2.
    • Rothermel S, Grützke M, Mönnighoff X, Winter M, Nowak S. . ‘Electrolyte Extraction—Sub and Supercritical CO2.’ In Recycling of Lithium-Ion Batteries, edited by Kwade A, Diekmann J, 177–185. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-70572-9_10.
    • Diekmann J, Grützke M, Loellhoeffel T, Petermann M, Rothermel S, Winter M, Nowak S, Kwade A. . ‘Potential Dangers During the Handling of Lithium-Ion Batteries.’ In Recycling of Lithium-Ion Batteries, edited by Kwade A, Diekmann J, 39–51. 1st Ed. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-70572-9_3.

    Articles in Scientific Journals, Newspapers or Magazines
    Research Articles (Journals)
    • Börger E, Jochler E, Kaufmann J, Ramme R, Grimm A, Nowak S, Schappacher F, Rodehorst U, Voigt AC, Passerini S, Winter M, Börger A. . ‘Aging of ceramic coated graphitic negative and NCA positive electrodes in commercial lithium-ion battery cells – An ex-situ study of different states of health for identification and quantification of aging influencing parameters.’ Journal of Energy Storage 13: 304–312. doi: 10.1016/j.est.2017.07.026.
    • Pyschik M, Winter M, Nowak S. . ‘Capillary Electrophoresis as Analysis Technique for Battery Electrolytes: (i) Monitoring Stability of Anions in Ionic Liquids and (ii) Determination of Organophosphate-Based Decomposition Products in LiPF6-Based Lithium Ion Battery Electrolytes .’ Separations 4 (3), № Special Issue Ionic Liquid for Separation: 26. doi: 10.3390/separations4030026.
    • Evertz M, Schwieters T, Börner M, Winter M, Nowak S. . ‘Matrix-Matched Standards for the Quantification of Elemental Lithium Ion Battery Degradation Products Deposited on Carbonaceous Negative Electrodes using Pulsed-Glow Discharge-Sector Field-Mass Spectrometry.’ Journal of Analytical Atomic Spectrometry 32: 1862–1867. doi: 10.1039/C7JA00129K.
    • Pyschik M, Winter M, Nowak S. . ‘Reactions of the Additive 1,3-Propane Sultone with Electrolyte Compounds Investigated by Capillary Electrophoresis and High-Resolution Mass Spectrometry.’ Electrochimica Acta 251: 573–580. doi: 10.1016/j.electacta.2017.08.092.
    • Schmitz P, Kolek M, Pyschik M, Jalkanen K, Nowak S, Winter M, Bieker P. . ‘Modified Imidazolium-Based Ionic Liquids With Improved Chemical Stability Against Lithium Metal.’ Chemistryselect 2, № 21: 6052–6056. doi: 10.1002/slct.201701599.
    • Menzel J, Schultz H, Kraft V, Badillo JP, Winter M, Nowak S. . ‘Quantification of ionic organo(fluoro)phosphates in decomposed lithium battery electrolytes.’ RSC Advances 7: 39314–39324. doi: 10.1039/c7ra07486g.
    • Mönnighoff X, Murmann P, Weber W, Winter M, Nowak S. . ‘Post-Mortem Investigations of Fluorinated Flame Retardants for Lithium Ion Battery Electrolytes by Gas Chromatography with Chemical Ionization.’ Electrochimica Acta 246: 1042–1051. doi: 10.1016/j.electacta.2017.06.125.
    • Kasnatscheew J, Evertz M, Streipert B, Wagner R, Nowak S, Cekic-Laskovic I, Winter M. . ‘Improving cycle life of layered lithium transition metal oxide (LiMO2) based positive electrodes for Li ion batteries by smart selection of the electrochemical charge conditions.’ Journal of Power Sources 359: 458–467. doi: 10.1016/j.jpowsour.2017.05.092.
    • Schultz C, Vedder S, Streipert B, Winter M, Nowak S. . ‘Quantitative Investigation of the Decomposition of Organic Lithium Ion Battery Electrolytes with LC-MS/MS .’ RSC Advances 7: 27853–27862. doi: 10.1039/C7RA03839A.
    • Schwieters T, Evertz M, Mense M, Winter M, Nowak S. . ‘Lithium loss in the solid electrolyte interphase: lithium quantification of aged lithium ion battery graphite electrodes by means of laser ablation inductively coupled plasma mass spectrometry and inductively coupled plasma optical emission spectroscopy.’ Journal of Power Sources 356: 47–55. doi: 10.1016/j.jpowsour.2017.04.078.
    • Mönnighoff X, Friesen A, Konersmann B, Horsthemke F, Grützke M, Winter M, Nowak S. . ‘Supercritical Carbon Dioxide Extraction of Electrolyte from Spent Lithium Ion Batteries and its Characterization by Gas Chromatography with Chemical Ionization.’ Journal of Power Sources 352: 56–63. doi: 10.1016/j.jpowsour.2017.03.114.
    • Nowak S, Winter M. . „Recycling von Lithium Ionen Batterien - Wiederverwendung der recycelten Komponenten als Lithium Ionen Batterie Materialien.“ G.I.T Laborfachzeitschrift 4: 56–59.
    • Nowak S, Winter M. . ‘The Role of Sub- and Supercritical CO2 as “Processing Solvent” for the Recycling and Sample Preparation of Lithium Ion Battery Electrolytes.’ Molecules 22 (3), № Special Issue Green Chemistry: 403. doi: 10.3390/molecules22030403.
    • von Aspern N, Röser S, Rezaei Rad B, Murmann P, Streipert B, Mönnighoff X, Tillmann S, Shevchuk M, Stubbmann-Kazakova O, Röschenthaler G V, Nowak S, Cekic-Laskovic I, Winter M. . ‘Phosphorus additives for improving high voltage stability and safety of lithium ion batteries.’ Journal of Fluorine Chemistry 198: 24–33. doi: 10.1016/j.jfluchem.2017.02.005.
    • Wiemers-Meyer S, Winter M, Nowak S. . ‘Battery Cell for In Situ NMR Measurements of Liquid Electrolytes.’ Physical Chemistry Chemical Physics 19: 4962–4966. doi: 10.1039/C6CP08653E.
    • Pyschik M, Winter M, Nowak S. . ‘Determination and Quantification of Cations in Ionic Liquids by Capillary Electrophoresis-Mass Spectrometry.’ Journal of Chromatography A 1485: 131–141. doi: 10.1016/j.chroma.2017.01.034.
    • Kasnatscheew J, Evertz M, Streipert B, Wagner R, Nowak S, Cekic-Laskovic I, Winter M. . ‘Changing Established Belief on Capacity Fade Mechanisms: Thorough Investigation of LiNi1/3Co1/3Mn1/3O2 under High Voltage Conditions.’ The Journal of Physical Chemistry C 121, № 3: 1521–1529. doi: 10.1021/acs.jpcc.6b11746.
    • Börner M, Friesen A, Grützke M, Stenzel Y P, Brunklaus G, Haetge J, Nowak S, Schappacher F, Winter M. . ‘Correlation of aging and thermal stability of commercial 18650-type lithium ion batteries.’ Journal of Power Sources 342: 382–392. doi: 10.1016/j.jpowsour.2016.12.041.
    • Vortmann B, Lürenbaum C, Winter M, Nowak S. . ‘Determination of Lithium and Transition Metals in Li1Ni1/3Co1/3Mn1/3O2 (NCM) Cathode Material for Lithium-Ion Batteries by Capillary Electrophoresis.’ Electrophoresis 38, № 3-4: 540–546. doi: 10.1002/elps.201600445.
    • Pyschik M, Klein-Hitpaß M, Girod S, Winter M, Nowak S. . ‘Capillary Electrophoresis with Contactless Conductivity Detection for the Quantification of Fluoride in Lithium Ion Battery Electrolytes and in Ionic Liquids - A Comparison to the Results Gained with a Fluoride Ion-Selective Electrode .’ Electrophoresis 38, № 3-4: 533–539. doi: 10.1002/elps.201600361.
    • Schultz C, Vedder S, Winter M, Nowak S. . „Alterungsprodukte in Batterie-Elektrolyten.“ Nachrichten aus der Chemie 65, № 1: 39–41. doi: 10.1002/nadc.20174056743.
    • Vortmann B, Winter M, Nowak S. . ‘Where is the Lithium? Quantitative Determination of the Lithium Distribution in Lithium Ion Battery Cells: Investigations on the Influence of the Temperature, the C-Rate and the Cell Type.’ Journal of Power Sources 346: 63–70. doi: 10.1016/j.jpowsour.2017.02.028.
    • Horsthemke F, Friesen A, Mönnighoff X, Stenzel YP, Grützke M, Andersson J, Winter M, Nowak S. . ‘Fast Screening Method to Characterize Lithium Ion Battery Electrolytes by Means of Solid Phase Microextraction - Gas Chromatography - Mass Spectrometry.’ RSC Advances 7: 46989–46998. doi: 10.1039/C7RA08599K.
    • Nowak S, Winter M. . ‘Elemental Analysis of Lithium Ion Batteries.’ Journal of Analytical Atomic Spectrometry 32, № 10: 1824. doi: 10.1039/C7JA00073A.
    • Dagger T, Grützke M, Reichert M, Haetge J, Nowak S, Winter M, Schappacher F. . ‘Investigation of lithium ion battery electrolytes containing flame retardants in combination with the film forming electrolyte additives vinylene carbonate, vinyl ethylene carbonate and fluoroethylene carbonate.’ Journal of Power Sources 372: 276–285. doi: 10.1016/j.jpowsour.2017.10.058.
    • Dagger T, Henschel J, Rad B, Lürenbaum C, Schappcher F, Winter M, Nowak S. . ‘Investigating the lithium ion battery electrolyte additive tris(2,2,2-trifluoroethyl)phosphite by GC-FID.’ RSC Advances 7: 53048–53055. doi: 10.1039/C7RA09476K.
    • Strehlau J, Weber T, Lürenbaum C, Bornhorst J, Galla H-J, Schwerdtle T, Winter M, Nowak S. . ‘Towards Quantification of Toxicity of Lithium Ion Battery Electrolytes - Development and validation of a liquid-liquid extraction GC-MS method for the determination of organic carbonates in cell culture materials.’ Analytical and Bioanalytical Chemistry 409, № 26: 6123–6131. doi: 10.1007/s00216-017-0549-6.
    Non-Scientific Contributions (Journals)
    • Nowak S, Winter M. . ‘Cover Page - Elemental Analysis of Lithium Ion Batteries.’ Journal of Analytical Atomic Spectrometry 32, № 10: 1833–1847. doi: 10.1039/C7JA90049J.
    • Vortmann B, Lürenbaum C, Winter M, Nowak S. . ‘Cover Page - Determination of Lithium and Transition Metals in Li1Ni1/3Co1/3Mn1/3O2 (NCM) Cathode Material for Lithium-Ion Batteries by Capillary Electrophoresis.’ Electrophoresis 38, № 3-4. doi: 10.1002/elps.201770021.
    • Pyschik M, Klein-Hitpaß M, Girod S, Winter M, Nowak S. . ‘Cover Page - Capillary Electrophoresis with Contactless Conductivity Detection for the Quantification of Fluoride in Lithium Ion Battery Electrolytes and in Ionic Liquids - A Comparison to the Results Gained with a Fluoride Ion-Selective Electrode.’ Electrophoresis 38, № 3-4. doi: 10.1002/elps.201770021.
    Conference Contributions
    Research Articles in Edited Proceedings (Conferences)
    • Evertz M, Wiemers-Meyer S, Kraft V, Nowak S, Winter M. . ‘Flammable, toxic and not performant enough: Is there a chance to get rid of liquid organic electrolytes?’ In Battery Chemistries for Automotive Applications 2017, edited by Cambridge EnerTech, Cambridge Innovation Institute, 67–81. Newcastle upon Tyne: Cambridge Scholars Publishing.
    Posters
    • Hanf L, Pyschik M, Winter M, Nowak S. ‘IDENTIFICATION AND QUANTIFICATION OF MN2+ AND MN3+ IN LITHIUM ION BATTERY ELECTROLYTES BY MEANS OF CAPILLARY ELECTROPHORESIS AND ULTRAVIOLET-VISIBLE LIGHT-DETECTION.’ contributed to the 23rd International Symposium on Separation Sciences (ISSS 2017), Wien, .
    • Horsthemke F, Friesen A, Mönnighoff X, Stenzel Y, Grützke M, Winter M, Nowak S. ‘FAST SCREENING METHOD TO CHARACTERIZE LITHIUM ION BATTERY ELECTROLYTES BY MEANS OF SOLID PHASE MICROEXTRACTION - GAS CHROMATOGRAPHY - MASS SPECTROMETRY.’ contributed to the 23rd International Symposium on Separation Sciences (ISSS 2017), Wien, .
    • Evertz M, Schwieters T, Börner M, Diehl M, Winter M, Nowak S. ‘Matrix-Matched Standard Calibration Approach in Glow Discharge Sector Field-Mass Spectrometry (SF GD MS) for Lithium Ion Battery Electrodes.’ contributed to the Anwendertreffen Analytische Glimmentladungsspektrometrie, Bremen, .
    • Vortmann-Westhoven B, Lürenbaum C, Winter M, Nowak S. ‘Short-Circuit Determination by Spatially Resolved Analysis of the Quantitative Lithium Distribution on Cycled Lithium Ion Battery Electrodes via Laser Ablation - Inductively Coupled Plasma - Optical Emission Spectrometry (LA-ICP-OES).’ contributed to the Forschung in der Chemischen Industrie, 6. FoChIn, Münster, .
    • Lürenbaum C, Mönnighoff X, Fischer S, Winter M, Nowak S. ‘Investigation of Lithium-Ion Battery Electrolytes by Gas Chromatography - Barrier Ionization Discharge Detector.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, .
    • Kraft V, Vortmann B, Winter M, Nowak S. ‘Analysis of transition metals in lithium ion batteries by ion chromatography.’ contributed to the ANAKON 2017, Tübingen, .
    • Stenzel Y, Kraft V, Winter M, Nowak S. ‘Speciation Analysis of Lithium Ion Battery Electrolyte Decomposition Products by the Combination of Different Chromatographic Techniques Coupled to ICP-MS.’ contributed to the ANAKON 2017, Tübingen, .
    • Nowak S, Schwieters T, Vortmann B, Lürenbaum C, Winter M. ‘Laser Ablation ICP-OES and ICP-MS Methods for the Investigation of Lithium Ion Battery Electrodes.’ contributed to the ANAKON 2017, Tübingen, .
    • Wiemers-Meyer S, Winter M, Nowak S. ‘Quantification by means of NMR Spectroscopy using Heteronuclear Standards - A Highly Accurate and Precise Method Applied on Lithium Ion Battery Electrolytes.’ contributed to the ANAKON 2017, Tübingen, .
    • Evertz M, Kasnatscheew J, Mönnighoff X, Winter M, Nowak S. ‘Transition Metal Dissolution Investigation of Various NCM Cathode Materials by Means of Total Reflection X Ray Fluorescence.’ contributed to the AABC Europe, Mainz, .
    • Pyschik M, Winter M, Nowak S. ‘Decomposition Reaction of the Additive 1,3-Propane Sultone.’ contributed to the AABC Europe, Mainz, .
    • Lürenbaum C, Vortmann B, Winter M, Nowak S. ‘Short-Circuit Determination by Spatially Resolved Analysis of the Quantitative Lithium Distribution on Cycled Lithium Ion Battery Electrodes via Laser Ablation - Inductively Coupled Plasma - Optical Emission Spectrometry (LA-ICP-OES).’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, .
    • Stenzel Y, Menzel J, Kraft V, Winter M, Nowak S. ‘COMPLEMENTARY SPECIATION ANALYSIS OF ORGANOPHOSPHATES AS AGING PRODUCT OF LITHIUM ION BATTERY ELECTROLYTES BY MEANS OF GC-ICP-SF-MS AND 2D-IC-ICP-MS.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, .
    • Kraft V, Vortmann B, Stenzel Y, Winter M, Nowak S. ‘Analysis of organophosphates as aging products of lithium ion battery electrolytes by LC-ICP-SF-MS.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, .
    • Hanf L, Wentker K, Winter M, Nowak S. ‘Method Development for Trace Elemental Analysis of Manganese in Lithium Ion Battery Electrolytes by Means of Inductively Coupled Plasma-Sector Field-Mass Spectrometry (ICP SF MS) .’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, .
    • Schwieters T, Evertz M, Börner M, Winter M, Nowak S. ‘Calibration Approaches in Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) and Sector Field Glow Discharge-Mass Spectrometry (SF-GD-MS).’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, .

    Articles
    Research Articles (Journals)
    • Schmitz P, Jakelski R, Pyschik M, Jalkanen K, Nowak S, Winter M, Bieker P. . ‘Decomposition of Imidazolium-Based Ionic Liquids in Contact with Lithium Metal.’ ChemSusChem 10, № 5: 876–883. doi: 10.1002/cssc.201601496.
    • Wiemers-Meyer S, Winter M, Nowak S. . ‘Influence of Battery Cell Components and Water on the Thermal and Chemical Stability of LiPF6 Based Lithium Ion Battery Electrolytes.’ Electrochimica Acta 222: 1267–1271. doi: 10.1016/j.electacta.2016.11.100.
    • Rothermel S, Evertz M, Kasnatscheew J, Qi X, Grützke M, Winter M, Nowak S. . ‘Graphite Recycling from Spent Lithium Ion Batteries.’ ChemSusChem 9, № 24: 3473–3484. doi: 10.1002/cssc.201601062.
    • Schultz C, Vedder S, Winter M, Nowak S. . ‘Investigation of the decomposition of organic solvent-based Lithium Ion Battery electrolytes with LC-MS.’ Spectroscopy Europe 28, № 5: 21–24.
    • Schultz C, Vedder S, Winter M, Nowak S. . ‘Qualitative Investigation of the Decomposition of Organic Solvent Based Lithium Ion Battery Electrolytes with LC-IT-TOF-MS.’ Analytical Chemistry 88, № 22: 11160–11168. doi: 10.1021/acs.analchem.6b03379.
    • Börner M, Horsthemke F, Kollmer F, Haseloff S, Friesen A, Niehoff P, Nowak S, Winter M, Schappacher F. . ‘Degradation effects on the surface of commercial LiNi0.5Co0.2Mn0.3O2 electrodes.’ Journal of Power Sources 335: 45–55. doi: 10.1016/j.jpowsour.2016.09.071.
    • Qian Y, Schultz C, Niehoff P, Schwieters T, Nowak S, Winter M, Schappacher F. . ‘Investigations on the electrochemical decomposition of the electrolyte additive vinylene carbonate in Li metal half cells and lithium ion full cells.’ Journal of Power Sources 332: 60–71. doi: 10.1016/j.jpowsour.2016.09.100.
    • Wiemers-Meyer S, Winter M, Nowak S. . ‘Mechanistic Insights into Lithium Ion Battery Electrolyte Degradation – A Quantitative NMR Study.’ Physical Chemistry Chemical Physics 18: 26595–26601. doi: 10.1039/C6CP05276B.
    • Börner M, Niehoff P, Vortmann B, Nowak S, Winter M, Schappacher F. . ‘Comparison of Different Synthesis Methods for LiNi0.5Mn1.5O4—Influence on Battery Cycling Performance, Degradation, and Aging.’ Energy Technology 12, № 4: 1631–1640. doi: 10.1002/ente.201600383.
    • Evertz M, Horsthemke F, Kasnatscheew J, Börner M, Winter M, Nowak S. . ‘ Unraveling Transition Metal Dissolution of Li1.04Ni1/3Co1/3Mn1/3O2 (NCM 111) in Lithium Ion Full Cells by Using the Total Reflection X-ray Fluorescence Technique.’ Journal of Power Sources 239: 364–371. doi: 10.1016/j.jpowsour.2016.08.099.
    • Wilken A, Kraft V, Girod S, Winter M, Nowak S. . ‘FLUORIDE-SELECTIVE ELECTRODE (FSE) FOR QUANTIFICATION OF FLUORIDE IN LITHIUM-ION BATTERY (LIB) ELECTROLYTES.’ Analytical Methods 8: 6932–6940. doi: 10.1039/C6AY02264B.
    • Qian Y, Niehoff P, Börner M, Grützke M, Mönnighoff X, Behrends P, Nowak S, Winter M, Schappacher F. . ‘Influence of Electrolyte Additives on the Cathode Electrolyte Interphase (CEI) Formation on LiNi1/3Mn1/3Co1/3O2 in Half Cells with Li Metal Counter Electrode.’ Journal of Power Sources 329: 31–40. doi: 10.1016/j.jpowsour.2016.08.023.
    • Moroni R, Börner M, Zielke L, Schroeder M, Nowak S, Winter M, Manke I, Zengerle R, Thiele S. . ‘Multi-Scale Correlative Tomography of a Li-Ion Battery Composite Cathode.’ Scientific Reports 6. doi: 10.1038/srep30109.
    • Grützke M, Weber W, Winter M, Nowak S. . ‘Structure Determination of Organic Aging Products in Lithium-Ion Battery Electrolytes with Gas Chromatography Chemical Ionization Mass Spectrometry (GC-CI-MS).’ RSC Advances 6: 57253–57260. doi: 10.1039/C6RA09323J.
    • Hahn H, Wagner R, Schappacher F, Winter M, Nowak S. . ‘In operando X-shaped cell online electrochemical mass spectrometry (OEMS): New online analysis enables insight into lab scale lithium ion batteries during operation.’ Journal of Electroanalytical Chemistry 772: 52–57. doi: 10.1016/j.jelechem.2016.04.023.
    • Qi X, Tao L, Hahn H, Schultz C, Gallus D, Cao X, Nowak S, Röser S, Li J, Cekic-Laskovic I, Rad BR, Winter M. . ‘Lifetime limit of tris(trimethylsilyl) phosphite as electrolyte additive for high voltage lithium ion batteries.’ RSC Advances 6: 38342–38349. doi: 10.1039/C6RA06555D.
    • Jia H, Kloepsch R, He X, Evertz M, Nowak S, Li J, Winter M, Placke T. . ‘Nanostructured ZnFe2O4 as Anode Material for Lithium Ion Batteries: Ionic Liquid-Assisted Synthesis and Performance Evaluation with Special Emphasis on Comparative Metal Dissolution.’ Acta Chimica Slovenica 63, № 3: 470–483. doi: 10.17344/acsi.2016.2243.
    • Börner M, Klamor S, Hoffmann B, Schroeder M, Nowak S, Würsig A, Winter M, Schappacher F. . ‘Investigations on the C-rate and temperature dependence of manganese dissolution/deposition in LiMn2O4/Li4Ti5O12 lithium ion batteries.’ Journal of The Electrochemical Society 163, № 6: A831–A837. doi: 10.1149/2.0191606jes.
    • Kraft V, Weber W, Streipert B, Wagner R, Schultz C, Winter M, Nowak S. . ‘Qualitative and quantitative investigation of organophosphates in an electrochemically and thermally treated lithium hexafluorophosphate-based lithium ion battery electrolyte by a developed liquid chromatography-tandem quadrupole mass spectrometry method.’ RSC Advances 6: 8–17. doi: 10.1039/C5RA23624J.
    • Kasnatscheew J, Evertz M, Streipert B, Wagner R, Klöpsch R, Vortmann B, Hahn H, Nowak S, Amereller M, Gentschev, A-C, Lamp P, Winter M. . ‘The Truth about 1st Cycle Coulombic Efficiency of LiNi1/3Co1/3Mn1/3O2 (NCM) Cathodes.’ Physical Chemistry Chemical Physics 18: 3956–3965. doi: 10.1039/C5CP07718D.
    • Weber W, Wagner R, Streipert B, Kraft V, Winter M, Nowak S. . ‘Ion and Gas Chromatography Mass Spectrometry Investigations of Organophosphates in Lithium Ion Battery Electrolytes by Electrochemical Aging at Elevated Cathode Potentials.’ Journal of Power Sources 306: 193–199. doi: 10.1016/j.jpowsour.2015.12.025.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Cekic-Laskovic I, Nowak S, Schappacher F, Winter M. ‘Electrolytes for Li-Ion Batteries: Limitations, Challenges and Opportunities.’ contributed to the 18th International Meeting on Lithium Batteries (ILMB) 2016, Chicago, . doi: 10.1149/MA2016-03/1/3.
    Posters
    • Kraft V, Kreft D, Winter M, Nowak S. ‘Influence of Organic Solvents, Temperature and pH Value on the Retention of Common Lithium Ion Battery Conducting Salts and Their Ionic Aging Products.’ contributed to the 2nd Global IC User Meeting, Herisau, .
    • Schwieters T, Evertz M, Mense M, Winter M, Nowak S. ‘LITHIUM QUANTIFICATION OF AGED LITHIUM ION BATTERY GRAPHITE ELECTRODES BY MEANS OF LA-ICP-MS AND ICP-OES.’ contributed to the 25. ICP-MS Anwendertreffen & 12. Symposium Massenspektrometrische Verfahren der Elementspurenanalyse, Siegen, .
    • Mönnighoff X, Grützke M, Winter M, Nowak S. ‘SUBKRITISCHES UND ÜBERKRITISCHES CO2 ZUR EXTRAKTION VON LITHIUM IONEN BATTERIE ELEKTROLYTEN ZUR ANSCHLIEßENDEN SPEZIESANALYTIK.’ präsentiert auf der 5. ICP-MS Anwendertreffen & 12. Symposium Massenspektrometrische Verfahren der Elementspurenanalyse, Siegen, .
    • Menzel J, Schultz H, Kraft V, Winter M, Nowak S. ‘EINFLUSS VERSCHIEDENER LITHIUM IONEN BATTERIE ADDITIVE AUF DIE ELEKTROLYTALTERUNG UNTERSUCHT MITTELS ZWEI DIMENSIONALER IONENCHROMATOGRAPHIE MIT SIMULTANER ONLINE KOPPLUNG ZU EINEM INDUKTIV GEKOPPELTEM PLASMA-MASSENSPEKTROMETER UND EINEM ELEKTROSPRAY IONISIERUNGS MASSENSPEKTROMETER.’ präsentiert auf der 5. ICP-MS Anwendertreffen & 12. Symposium Massenspektrometrische Verfahren der Elementspurenanalyse, Siegen, .
    • Evertz M, Schwieters T, Börner M, Winter M, Nowak S. ‘GLIMMENTLADUNG-SEKTROFELD-MASSENSPEKTROMETRIE IN DER ANALYTIK VON BATTERIEMATERIALIEN.’ präsentiert auf der 5. ICP-MS Anwendertreffen & 12. Symposium Massenspektrometrische Verfahren der Elementspurenanalyse, Siegen, .
    • Stenzel YP, Lürenbaum C, Kraft V, Winter M, Nowak S. ‘SPEZIATION VON ORGANOPHOSPHATEN ALS ALTERUNGSPRODUKT VON LITHIUMIONENBATTERIE-ELEKTROLYTEN MITTELS GASCHROMATOGRAPHIE-ICP-SEKTORFELD-MS (GC-ICP-SF-MS).’ präsentiert auf der 5. ICP-MS Anwendertreffen & 12. Symposium Massenspektrometrische Verfahren der Elementspurenanalyse, Siegen, .
    • Wiemers-Meyer S, Winter M, Nowak S. ‘Reconsideration of Lithium-Ion Battery Electrolyte Stability – Quantification of Degradation Products by a Novel NMR Spectroscopy Method.’ contributed to the Forschung in der Chemischen Industrie, 5. FoChIn, Münster, .
    • Evertz M, Horsthemke F, Kasnatscheew J, Winter M, Nowak S. ‘Unraveling the Transition Metal Dissolution of Li1Ni1/3Co1/3Mn1/3O2 by Deposition on Graphitic Anodes.’ contributed to the European Conference on X-Ray Spectrometry: EXRS2016, Göteburg, .
    • Becker D, Schwieters M, Winter M, Nowak S, Placke T. ‘Analysis of the Lithium Distribution in aged Lithium-Ion Battery Graphite Anodes by LA-ICP-MS Technique.’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Stenzel YP, Lürenbaum C, Kraft V, Winter M, Nowak S. ‘QUANTIFICATION OF ORGANOPHOSPHATES AS AGING PRODUCTS OF LITHIUM-ION BATTERY ELECTROLYTES BY MEANS OF GAS CHROMATOGRAPHY - INDUCTIVELY COUPLED PLASMA SECTOR FIELD MASS SPECTROMETRY (GC-ICP-SF-MS).’ contributed to the 8th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Schwieters T, Evertz M, Winter M, Nowak S. ‘SYNTHESIS AND APPLICATION OF A MATRIX MATCHED EXTERNAL STANDARD MATERIAL TO QUANTIFY MANGANESE IN LITHIUM ION BATTERY ELECTRODES BY MEANS OF LASER ABLATION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY.’ contributed to the 8th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Menzel J, Kraft V, Winter M, Nowak S. ‘COMPARISON OF THE INFLUENCES OF DIFFERENT LITHIUM ION BATTERY ADDITIVES ON THE ELECTROLYTE AGING BY SIMULTANEOUS ONLINE COUPLING OF TWO DIMENSIONAL ION CHROMATOGRAPHY TO INDUCTIVELY COUPLED PLASMA-MASS SPECTROMETRY AND ELECTROSPRAY IONIZATION MASS SPECTROMETRY.’ contributed to the 8th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Mönnighoff X, Lürenbaum C, Winter M, Nowak S. ‘INVESTIGATION OF LITHIUM-ION BATTERY ELECTROLYTES BY A GAS CROMATOGRAPHY -BARRIER IONIZATION DISCHARGE DETECTOR.’ contributed to the 8th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Evertz M, Schwieters T, Börner M, Winter M, Nowak S. ‘ADAPTION OF GLOW-DISCHARGE SECTOR FIELD MASS SPECTROMETRY IN THE FIELD OF BATTERY RESEARCH.’ contributed to the 8th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Lürenbaum C, Vortmann B, Winter M, Nowak S. ‘SPATIALLY RESOLVED ANALYSIS OF THE LITHIUM DISTRIBUTION ON CYCLED ELECTRODES BY LASER ABLATION – INDUCTIVELY COUPLED PLASMA – OPTICAL EMISSION SPECTROMETRY (LA-ICP-OES).’ contributed to the 8th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Evertz M, Kasnatscheew J, Vortmann B, Winter M, Nowak S. ‘Analysis of Transition Metal Deposition of Li1Ni1/3Co1/3Mn1/3O2 on Graphitic Anodes using Total Reflection X-Ray Fluorescence (TXRF) .’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Rothermel S, Grützke M, Winter M, Nowak S. ‘ Recycling of Electrodes and Electrolyte from Li-Ion Batteries.’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Rothermel S, Grützke M, Winter M, Nowak S. ‘Electrochemical Investigations of Recycled Active Materials from Spent Li-Ion Batteries.’ contributed to the European Advanced Automotive & Industrial Conference, Mainz, .
    • Wiemers-Meyer S, Winter M, Nowak S. ‘Reconsideration of Lithium-Ion Battery Electrolyte Stability – Quantification of Degradation Products by a Novel NMR Spectroscopy Method.’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Hoffmann B, Noll P, Grützke M, Kraft V, Friesen A, Wendt C, Hörpel G, Winter M, Nowak S. ‘Bridging the gap between academic research and industrial development for aging investigations.’ contributed to the European Advanced Automotive & Industrial Conference, Mainz, .
    • Pyschik M, Winter M, Nowak S. ‘Decomposition mechanism of ionic liquids .’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Schultz C, Qian Y, Schappacher F, Winter M, Nowak S. ‘Investigations of Organic Electrolytes and their VC consumption in Lithium-Ion Batteries via HPLC/UV-VIS.’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Mönnighoff X, Murmann P, Weber W, Winter M, Nowak S. ‘Fluorinated Flame Retardants for Lithium-Ion Battery Electrolytes - Analytical Investigations by Gas Chromatography - Mass Spectrometry.’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    • Hahn H, Wagner R, Schappacher F, Winter M, Nowak S. ‘Online electrochemical mass spectrometry (OEMS): New method enables insight into Lithium Ion Batteries.’ contributed to the 8. Kraftwerk Batterie Fachtagung, Münster, .
    Project Reports
    • Rothermel S, Nowak S. . Lithorec II: Recycling von EV Lithium Ionen Batterien - Abschlussbericht zum Leuchtturmprojekt . Hannover, . doi: 10.2314/GBV:873802314.
    • Nowak S. . Integriertes Fertigungskonzept für advanced automotive Batteries (iFaaB) - Abschlussbericht zum Verbundvorhaben . Hannover, .

    Articles
    Research Articles (Journals)
    • Bhaskar A, Krüger S, Sozios V, Li J, Nowak S, Winter M. . ‘Synthesis and characterization of high-energy high-power spinel-layered composite cathode materials for lithium ion batteries.’ Advanced Energy Materials 5, № 5. doi: 10.1002/aenm.201401156.
    • Nowak S, Künnemeyer J, Terborg L, Trümpler S, Günsel A, Wiesmüller GA, Karst U, Buscher W. . ‘Analysis of Whole Blood Samples with Low Gas Flow Inductively Coupled Plasma Optical Emission Spectrometry.’ Analytical and Bioanalytical Chemistry 407, № 3 / ABCs 13th Anniversary Topical Collection: 1023–1026. doi: 10.1007/s00216-014-8161-5.
    • Grützke M, Kraft V, Hoffmann B, Klamor S, Diekmann J, Kwade A, Winter M, Nowak S. . ‘Aging Investigations of a Lithium-Ion Battery Electrolyte from a Field-Tested Hybrid Electric Vehicle.’ Journal of Power Sources 273: 83–88. doi: 10.1016/j.jpowsour.2014.09.064.
    • Evertz M, Lürenbaum C, Vortmann B, Winter M, Nowak S. . ‘Development of a Method for Direct Elemental Analysis of Lithium Ion Battery Degradation Products by Means of Total Reflection X-Ray Fluorescence.’ Spectrochimica Acta Part B: Atomic Spectroscopy 112: 34–39. doi: 10.1016/j.sab.2015.08.005.
    • Kraft V, Weber W, Grützke M, Winter M, Nowak S. . ‘Study of Decomposition Products by Gas Chromatography-Mass Spectrometry and Ion Chromatography-Electrospray Ionization-Mass Spectrometry in Thermally Decomposed Lithium Hexafluorophosphate-Based Lithium Ion Battery Electrolytes.’ RSC Advances 5: 80150–80157. doi: 10.1039/C5RA16679A.
    • Nowak S, Winter M. . ‘Chemical analysis for a better understanding of aging and degradation mechanisms of non-aqueous electrolytes for lithium ion batteries: Method development, application and lessons learned.’ Journal of The Electrochemical Society 162, № 14 / Collection of Invited Battery Review Papers: A2500–A2508. doi: 10.1149/2.0121514jes.
    • Grützke M, Krüger S, Kraft V, Vortmann B, Rothermel S, Winter M, Nowak S. . ‘Investigation of the Storage Behavior of Shredded Lithium-Ion Traction Cells from Electric Vehicles for Recycling Purposes.’ ChemSusChem 8, № 20: 3433–3438. doi: 10.1002/cssc.201500920.
    • Pyschik M, Schultz C, Passerini S, Winter M, Nowak S. . ‘Aging of Cations of Ionic Liquids Monitored by Ion Chromatography hyphenated to an Electrospray Ionization Mass Spectrometer.’ Electrochimica Acta 176: 1143–1152. doi: 10.1016/j.electacta.2015.07.168.
    • Kraft V, Grützke M, Weber W, Menzel J, Wiemers-Meyer S, Winter M, Nowak S. . ‘Two-Dimensional Ion Chromatography for the Separation of Ionic Organophosphates Generated in Thermally Decomposed Lithium Hexafluorophosphate-Based Lithium Ion Battery Electrolytes.’ Journal of Chromatography A 1409: 201–209. doi: 10.1016/j.chroma.2015.07.054.
    • Murmann, P, Schmitz R W, Nowak S, Ignatiev N, Sartori P, Cekic-Laskovic I, Winter M. . ‘Electrochemical performance and thermal stability studies of two lithium sulfonyl methide salts in lithium-ion battery electrolytes.’ Journal of The Electrochemical Society 162, № 9: A1738–A1744. doi: 10.1149/2.0261509jes.
    • Grützke M, Mönnighoff X, Horsthemke F, Kraft V, Winter M, Nowak S. . ‘Extraction of lithium-ion battery electrolytes with liquid and supercritical carbon dioxide and additional solvents.’ RSC Advances 5: 43209–43217. doi: 10.1039/C5RA04451K.
    • Weber W, Kraft V, Grützke M, Wagner R, Winter M, Nowak S. . ‘Identification of alkylated phosphates by gas chromatography-mass spectrometric investigations with different ionization principles of a thermally aged commercial lithium ion battery electrolyte.’ Journal of Chromatography A 1394: 128–136. doi: 10.1016/j.chroma.2015.03.048.
    • Schultz C, Kraft V, Pyschik M, Weber S, Schappacher F, Winter M, Nowak S. . ‘Separation and Quantification of Organic Electrolyte Components in Lithium-ion Batteries via a Developed HPLC Method.’ Journal of The Electrochemical Society 162, № 4: A629–A634. doi: 10.1149/2.0401504jes.
    Conference Contributions
    Research Articles in Edited Proceedings (Conferences)
    • Wagner R, Gallus DR, Kasnatscheew J, Amereller M, Streipert B, Reyes Jiménez A, Röser S, Klöpsch R, Hoffmann B, Schmitz R, Schmitz R, Berken A, Kraft V, Weber W, Wiemers-Meyer S, Nowak S, Cekic-Laskovic I, Winter M. . ‘Towards high-voltage cathodes using new electrolyte approaches.’ In Large Lithium Ion Battery Technology and Application Symposium, LLIBTA 2015 and Large EC Capacitor Technology and Application Symposium, ECCAP 2015, edited by Cambridge EnerTech, Cambridge Innovation Institute, 344–362. Newcastle upon Tyne: Cambridge Scholars Publishing.
    Abstracts in Digital Collections (Conferences)
    • Haiping J, Vortmann B, Evertz M, Nowak S, Placke T, Winter M. ‘Anodes for Lithium Ion Batteries Revisited: From Graphite to High-Capacity Alloying- and Conversion-Type Materials and Back Again.’ contributed to the 228th ECS Meeting, Phoenix, . doi: 10.1149/MA2015-02/1/104.
    Posters
    • Menzel J, Kraft V, Winter M, Nowak S. ‘IC/ICP-MS based method for quantification of alkyl phosphates formed during the decomposition of LiPF6 based electrolytes.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster, .
    • Hoffmann B, Winter M, Nowak S. ‘Laser ablation inductively coupled plasma – mass spectrometry investigations into the distribution of major and minor components in lithium ion battery electrodes.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster, .
    • Schwieters T, Hoffmann B, Winter M, Nowak S. ‘Quantitative determination of aging related changes in the elemental distribution in lithium ion battery electrodes by means of laser ablation inductively coupled plasma – mass spectrometry.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster, .
    • Vortmann B, Winter M, Nowak S. ‘Determination of Lithium in two different Lithium-ion battery cell types by Inductively Coupled Plasma – Optical Emission Spectrometry.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster, .
    • Schultz C, Kraft V, Pyschik M, Weber S, Schappacher F, Winter M, Nowak S. ‘Investigations of organic electrolytes in Lithium Ion Batteries with HPLC.’ contributed to the 42nd Symposium on High Performance Liquid Phase Separations and related Techniques, Genf, .
    • Rothermel S, Grützke M, Winter M, Nowak S. ‘Electrochemical Investigations of Recycled Active Materials from Spent Li-Ion Batteries.’ contributed to the 20th International Congress for Battery Recycling ICBR 2015, Montreux, .
    • Grützke M, Winter M, Nowak S. ‘Extraction and Evaluation of the Electrolyte during the Recycling Procedure of Lithium-Ion Batteries.’ contributed to the 20th International Congress for Battery Recycling ICBR 2015, Montreux, .
    • Kuhlmann C, Pastushkina I, Nowak S, Buscher W, Engelhard C. ‘ Direct Analysis of Degradation Products in Lithium-ion Batteries Using Low-temperature Plasma Ambient Desorption Ionization High-Resolution Mass Spectrometry.’ contributed to the Anakon, Graz, .
    • Grützke M, Winter M, Nowak S. ‘Extraction and Evaluation of the Electrolyte during the Recycling Procedure of Lithium-Ion Batteries.’ contributed to the Forschung in der Chemischen Industrie, 4. FoChIn, Münster, .
    • Kuhlmann C, Pastushkina I, Nowak S, Buscher W, Engelhard C. ‘Direct Analysis of Degradation Products in Lithium-ion Batteries Using Low-temperature Plasma Ambient Desorption/Ionization High-Resolution Mass Spectrometry.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster, .
    • Horsthemke F, Grützke M, Winter M, Nowak S. ‘Extraction of Lithium-Ion Battery Electrolytes with super-critical/liquid CO2 and characterization by means of Gas Chromatography/Mass Spectrometry and Ion Chromatography.’ contributed to the 17. JCF-Frühjahrssymposium, Münster, .
    • Gallus DR, Wagner R, Kraft V, Weber W, Wiemers-Meyer S, Nowak S, Cekic-Laskovic I, Winter M. ‘TMS-based HF scavengers for the high-voltage application of NMC cathode material in lithium-ion batteries.’ contributed to the Batterieforum Deutschland 2015, Berlin, .
    • Haetge J, Meier V, Berghus D, Friesen A, Börner M, Mönnighoff X, Nowak S, Schappacher F M, Winter M. ‘Sicherheitstests an Lithium-Ionen Zellen - Nageltests und HWS-Experimente an gealterten Zellen.’ präsentiert auf der Batterieforum Deutschland 2015, Berlin, .
    • Kuhlmann C, Patushkina I, Nowak S, Buscher W, Engelhard C. ‘Direct Analysis of Degradation Products in Lithium-ion Batteries Using Low-temperature Plasma Ambient Desorption/Ionization High-Resolution Mass Spectrometry.’ contributed to the 48. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, Wuppertal, .
    • Nowak S, Karst U, Buscher W. ‘Low gas flow inductively coupled plasma optical emission spectrometry for the analysis of food and body fluids samples.’ contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster, .
    • Hoffmann B, Schwieters T, Winter M, Nowak S. ‘LA-ICP-MS Applications for the investigation of ageing phenomena in lithium ion batteries.’ contributed to the Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, .
    • Evertz M, Lürenbaum C, Vortmann B, Winter M, Nowak S. ‘Development of a method for direct elemental analysis of battery materials by means of Total Reflection X-Ray Fluorescence (TXRF).’ contributed to the CANAS 2015, Leipzig, .
    • Lürenbaum C, Evertz M, Winter M, Nowak S. ‘Entwicklung von Trocknungsstrategien für die Probenvorbereitung zur direkten Totalreflexions-Röntgenfluoreszenzanalyse (TXRF) von Batterieelektrolyten.’ präsentiert auf der CANAS 2015, Leipzig, .
    • Hahn H, Haetge J, Schappacher F, Winter M, Nowak S. ‘On-Line Mass Spectrometry: New rapid analysis of Lithium-Ion Battery Electrolytes.’ contributed to the 7. Kraftwerk Batterie Fachtagung, Aachen, .
    • Kraft V, Menzel J, Winter M, Nowak S. ‘TWO DIMENSIONAL ION CHROMATOGRAPHY ELECTROSPRAY IONIZATION MASS SPECTROMETRY FOR INVESTIGATIONS OF ORGANOPHOSPHATES IN BATTERY ELECTROLYTES.’ contributed to the Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, .
    • Grützke M, Weber W, Winter M, Nowak S. ‘IDENTIFICATION OF ORGANIC AGING PRODUCTS IN LITHIUM-ION BATTERY ELECTROLYTES BY GAS CHROMATOGRAPHY CHEMICAL IONIZATION MASS SPECTROMETRY.’ contributed to the Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, .
    • Nowak S. ‘Recycling von Lithium Ionen Batterien im Leuchturmprojekt LithoRec II.’ präsentiert auf der Batterieforum Deutschland 2015, Berlin, .
    Research Article (Book Contributions)
    • Beverungen Daniel, Bräuer Sebastian, Gierke André, Hirose Kei, Klör Benjamin, Monhof Markus, Nowak Sascha, Obeidi Shahmahmood, Plenter Florian, Ratzke Timo, Stieger Alexander, Wieczorek Christoph, Zenz Simon. . „End-Of-Life Solutions für Traktionsbatterien (EOL-IS).“ In Dienstleistungsinnovationen für Elektromobilität: Märkte, Geschäftsmodelle, Kooperationen, herausgegeben von Beverungen Daniel, Fabry Christian, Ganz Walter, Matzner Martin, Satzger Gerhard, 52–75. 1st Ed. Stuttgart: Fraunhofer Verlag.
    Project Reports
    • Nowak, S. . OptiLIB: Entwicklung und Anwendung innovativer oberflächenanalytischer Verfahren zur Optimierung des Alterungsverhaltens in Lithium-Ionen-Batterien . Deutschland, .

    Research Articles (Journals)
    • Terborg L, Weber S, Passerini S, Winter M, Karst U, Nowak S. . ‘Development of gas chromatographic methods for the analyses of organic carbonate-based electrolytes.’ Journal of Power Sources 245: 836–840. doi: 10.1016/j.jpowsour.2013.07.030.
    • Rothermel S, Meister P, Schmuelling G, Fromm O, Meyer H, Nowak S, Winter M, Placke T. . ‘Dual-Graphite Cells based on the Reversible Intercalation of Bis(trifluoromethanesulfonyl)imide Anions from an Ionic Liquid Electrolyte.’ Energy & Environmental Science 7, № 10: 3412–3423. doi: 10.1039/C4EE01873G.
    • Grützke M, Kraft V, Weber W, Wendt C, Friesen A, Klamor S, Winter M, Nowak S. . ‘Supercritical Carbon Dioxide Extraction of Lithium-Ion Battery Electrolytes.’ The Journal of Supercritical Fluids 94: 216–222. doi: 10.1016/j.supflu.2014.07.014.
    • Gallus DR, Schmitz R, Wagner R, Hoffmann B, Nowak S, Cekic-Laskovic I, Schmitz RW, Winter M. . ‘The influence of different conducting salts on the metal dissolution and capacity fading of NCM cathode material.’ Electrochimica Acta 134: 393–398. doi: 10.1016/j.electacta.2014.04.091.
    • Schmitz RW, Murmann P, Schmitz R, Müller R, Krämer L, Isken P, Niehoff P, Nowak S, Röschenthaler GV, Ignatiev N, Sartori P, Passerini S, Kunze M, Lex-Balducchi A, Schreiner C, Cekic-Laskovic I, Winter M. . ‘Investigations on novel electrolytes, solvents and SEI additives for use in lithium-ion batteries: Systematic electrochemical characterization and detailed analysis by spectroscopic methods.’ Progress in Solid State Chemistry 42, № 4: 65–84. doi: 10.1016/j.progsolidstchem.2014.04.003.
    • Nowak S, Gesell M, Holtkamp M, Sperling M, Karst U, Buscher W. . ‘Low Gas Flow Inductively Coupled Plasma Optical Emission Spectrometry for the Analysis of Food Samples after Microwave Digestion.’ Talanta 129: 575–578. doi: 10.1016/j.talanta.2014.06.045.
    • Kraft V, Grützke M, Weber W, Winter M, Nowak S. . ‘IC-ESI-MS Method Development and Investigation of Lithium Hexafluorophosphate-Based Organic Electrolytes and their Thermal Decomposition Products.’ Journal of Chromatography A 1354: 92–100. doi: 10.1016/j.chroma.2014.05.066.
    • Krüger S, Hanisch C, Kwade A, Winter M, Nowak S. . ‘Effect of Impurities Caused by a Recycling Process on the Electrochemical Performance of Li[Ni0.33Co0.33Mn0.33]O2.’ Journal of Electroanalytical Chemistry 726: 91–96. doi: 10.1016/j.jelechem.2014.05.017.
    • Pyschik M, Kraft V, Passerini S, Winter M, Nowak S. . ‘Thermal Aging of Anions in Ionic Liquids containing Lithium Salts by IC/ESI-MS.’ Electrochimica Acta 130: 426–430. doi: 10.1016/j.electacta.2014.03.033.
    • Trümpler S, Meermann B, Nowak S, Buscher W, Karst U, Sperling M. . ‘In Vitro Study of Thimerosal Reactions in Human Whole Blood and Plasma Surrogate Samples.’ Journal of Trace Elements in Medicine and Biology 28, № 2: 125–130. doi: 10.1016/j.jtemb.2014.01.006.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Pyschik M, Naber V, Passerini S, Winter M, Nowak S. ‘Aging Investigations of Various Electrolytes By Means of IC/ESI-MS and CE/ESI-MS.’ contributed to the 225th ECS Meeting, Orlando, . doi: 10.1149/MA2014-01/1/93.
    • Murmann P, Niehoff P, Nowak S, Schmitz RW, Sartori P, Winter M, Cekic-Laskovic I. ‘Investigations on Electrochemical Performance As Well As Thermal Stability of Two New Lithium Electrolyte Salts Compared to LiPF6.’ contributed to the 225th ECS Meeting, Orlando, . doi: 10.1149/MA2014-01/1/42.
    • Grützke M, Kraft V, Hoffmann B, Klamor S, Mönnighoff X, Winter M, Nowak S. ‘A Study on the Decomposition of Lithium-Ion Battery Electrolytes from Different Field-Tested Hybrid Vehicles.’ contributed to the 225th ECS Meeting, Orlando, . doi: 10.1149/MA2014-01/1/162.
    Posters
    • Rothermel S, Meister P, Placke T, Winter M, Nowak S. ‘Treatment and electrochemical performance of recycled graphite from spent Li-ion batteries.’ contributed to the GdCH Electrochemistry 2014, Mainz, .
    • Grützke M, Weber W, Winter M, Nowak S. ‘Structure Determination of Aging Products in Lithium-Ion Battery Electrolytes with Gas Chromatography using Chemical Ionization Mass Spectrometry.’ contributed to the International Mass Spectrometry Conference, Genf, .
    • Kraft V, Weber W, Winter M, Nowak S. ‘IC-ESI-MS/MS Investigation for the Organophosphates in LiPF6-based Electrolyte.’ contributed to the 20th IMSC - International Mass Spectrometry Conference, Genf, .
    • Weber W, Kraft V, Grützke M, Winter M, Wagner R, Nowak S. ‘Identification of alkylated phosphates by GC-MS in thermal aged commercial LiPF6 based electrolyte.’ contributed to the 20th IMSC - International Mass Spectrometry Conference, Genf, .
    • Menzel J, Kraft V, Knepper M, Winter M, Nowak S. ‘QUANTIFICATION OF PHOSPHOROUS CONTAINING DEGRADATION PRODUCTS IN LiPF6 BASED ELECTROLYTES WITH IC/ICP-MS.’ contributed to the 7th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Vortmann B, Hoffmann B, Winter M, Nowak S. ‘Determination of Lithium and Transition Metals in Lithium-ion battery cells by Inductively Coupled Plasma – Optical Emission Spectrometry and Inductively Coupled Plasma – Mass Spectrometry.’ contributed to the 7th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Hoffmann B, Winter M, Nowak S. ‘Investigation of elemental distribution in lithium ion battery components using LA-ICP-MS.’ contributed to the 7th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Schwieters T, Hoffmann, B, Winter M, Nowak S. ‘Quantitative determination of aging related changes in the lithium distribution in LFP electrodes.’ contributed to the 7th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Pyschik M, Naber V, Winter M, Nowak S. ‘Aging Investigations of Different Electrolytes by means of IC/ESI-MS and CE/ESI-MS .’ contributed to the ECS 225th Meeting, Orlando, .
    • Menzel J, Kraft V, Winter M, Nowak S. ‘Development of an IC/ICP-MS method for the quantification of phosphorous containing degradation products in LiPF6 based electrolytes.’ contributed to the ISC 2014: 30th International Symposium on Chromatography, Salzburg, .
    • Schultz C, Weber S, Kraft V, Schappacher F, Winter M, Nowak S. ‘Aging investigations of organic electrolytes in Lithium-ion Batteries with a newly developed HPLC method .’ contributed to the ISC 2014: 30th International Symposium on Chromatography, Salzburg, .
    • Cekic-Laskovic I, Nowak S, Röser S, Winter M. ‘High Throughput Screening: unique feature of the Electrolyte laboratory for fast, automated preparation and analysis of interesting combinations of materials in lithium and lithium-ion batteries.’ contributed to the 6. Kraftwerk Batterie Fachtagung, Münster, .
    • Schultz C, Weber S, Kraft V, Winter M, Nowak S. ‘Development of an HPLC method to investigate the aging behavior of organic electrolytes in Lithium ion batteries.’ contributed to the 6. Kraftwerk Batterie Fachtagung, Münster, .
    • Rothermel S, Meister P, Fromm O, Winter M, Nowak S, Placke T. ‘Anion intercalations based dual-graphite cells.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Rothermel S, Meister P, Fromm O, Winter M, Nowak S, Placke T. ‘Study of the Electrochemical Performance of Dual-Graphite Cells using Ionic Liquid-based Electrolytes.’ contributed to the Batterieforum Deutschland, Berlin, .
    • Nowak S. ‘LithoRec II - Recycling von Lithium Ionen Batterien.’ präsentiert auf der 3. Kompetenztreffen Elektromobilität in NRW, Essen, .
    Research Article (Book Contributions)
    • Weber S, Nowak S, Schappacher F. . ‘Analytical Methods for Investigation of Lithium Ion Battery Aging.’ In Automotive Battery Technology, edited by Thaler A, Watzenig D, 71–87. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-02523-0_5.

    Research Articles (Journals)
    • Lux SF, Terborg L, Hachmöller O, Placke T, Meyer H, Passerini S, Winter M, Nowak S. . ‘LiTFSI Stability in Water and Its Possible Use in Aqueous Lithium-Ion Batteries: pH Dependency, Electrochemical Window and Temperature Stability.’ Journal of The Electrochemical Society 160, № 10: A1694–A1700. doi: 10.1149/2.039310jes.
    • Terborg L, Weber S, Blaske F, Passerini S, Winter M, Karst U, Nowak S. . ‘Investigation of thermal aging and hydrolysis mechanisms in commercial lithium ion battery electrolyte.’ Journal of Power Sources 242, № null: 832–837. doi: 10.1016/j.jpowsour.2013.05.125.
    • Murmann P, Schmitz R, Nowak S, Gores H, Ignatiev N, Sartori P, Passerini S, Winter M, Schmitz RW. . ‘Electrochemical and Thermal Investigations and Al Current Collector Dissolution Studies of Three Di-Lithium Salts in Comparison to LiPF6 Containing Electrolytes (vol 160, pg A535, 2013).’ Journal of The Electrochemical Society 160, № 4: X11–X11. doi: 10.1149/2.030404jes.
    • Dippel C, Krüger S, Klöpsch R, Hoffmann B, Nowak S, Niehoff P, Li J, Passerini S, Winter M. . ‘Aging of Li2FeSiO4 Cathode Material in Fluorine containing organic Electrolytes for Lithium-Ion Batteries.’ Electrochmica Acta 85: 66–71. doi: 10.1016/j.electacta.2012.07.109.
    • Buchholz D, Moretti A, Klöpsch R, Nowak S, Siozios V, Winter M, Passerini S. . ‘Towards Na-ion batteries – Synthesis and Characterization of a novel high capacity Na-ion intercalation material.’ Chemistry of Materials 25, № 2: 142–148. doi: 10.1021/cm3029615.
    • Krüger S, Klöpsch R, Li J, Nowak S, Passerini S, Winter M. . ‘How Do Reactions at the Anode/Electrolyte Interface Determine the Cathode Performance in Lithium-Ion Batteries?’ Journal of The Electrochemical Society 160, № 4: A542–A548. doi: 10.1149/2.022304jes.
    • Dippel C, Krüger S, Kraft V, Nowak S, Winter M, Li J. . ‘Aging Stability of Li2FeSiO4 Polymorphs in LiPF6 Containing Organic Electrolyte for Lithium-Ion Batteries.’ Electrochmica Acta 105: 542–546. doi: 10.1016/j.electacta.2013.05.013.
    • Vortmann B, Nowak S, Engelhard C. . ‘Rapid Characterization of Lithium-Ion Battery Electrolytes and Thermal Aging Products by Low-Temperature Plasma Ambient Ionization High-Resolution Mass Spectrometry.’ Analytical Chemistry 85, № 6: 3433–3438. doi: 10.1021/ac4001404.
    • Kramer E, Schedlbauer T, Hoffmann B, Terborg L, Nowak S, Gores HJ, Passerini S, Winter M. . ‘Mechanism of anodic dissolution of the aluminum current collector in 1 M LiTFSI EC:DEC 3:7 in rechargeable lithium batteries.’ Journal of The Electrochemical Society 160, № 2: A356–A360. doi: 10.1149/2.081302jes.
    • Murmann P, Niehoff P, Schmitz R, Nowak S, Gores H, Ignatiev N, Sartori P, Winter M, Schmitz R. . ‘Investigations on the electrochemical performance and thermal stability of two new lithium electrolyte salts in comparison to LiPF6 .’ Electrochimica Acta 114: 658–666. doi: 10.1016/j.electacta.2013.09.155.
    • Murmann P, Schmitz R, Nowak S, Gores H, Ignatiev N, Sartori P, Passerini S, Winter M, Schmitz RW. . ‘Electrochemical and thermal investigations and Al current collector dissolution studies of three di-lithium salts in comparison to LiPF6 containing electrolytes.’ Journal of The Electrochemical Society 160, № 4: A535–A541. doi: 10.1149/2.013304jes.
    • Buchholz D, Moretti A, Klöpsch R, Nowak S, Sozios V, Winter M, Passerini S. . ‘Towards Na-ion batteries – Synthesis and Characterization of a novel high capacity Na-ion intercalation material.’ ChemInform 44, № 19. doi: 10.1002/chin.201319014.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Grützke M, Mönnighoff X, Winter M, Nowak S. ‘Extraction of Organic Carbonate Based Electrolytes with Supercritical Carbon Dioxide for a High Efficient Recycling of Lithium-Ion Batteries .’ contributed to the 224th ECS Meeting, San Francisco, . doi: 10.1149/MA2013-02/14/1180.
    • Klamor S, Schappacher F, Rodehorst U, Börner M, Nowak S, Grützke M, Würsig A, Passerini S, Winter M. ‘Insights of Aging Mechanisms: An Electrochemical Survey of LiMn2O4vs Li4Ti5O12 Cells & Post Mortem Analysis .’ contributed to the 223rd ECS Meeting, Toronto, . doi: 10.1149/MA2013-01/7/399.
    Posters
    • Nowak S. ‘LithoRec II - Recycling von Lithium Ionen Batterien.’ präsentiert auf der 2. Kompetenztreffen Elektromobilität in NRW, Essen, .
    • Pyschik M, Kraft V, Winter M, Passerini S, Nowak S. ‘Untersuchung Thermischer Alterungsprozesse von Ionischen Flüssigkeiten mittels IC/ESI-MS.’ präsentiert auf der 7. Conference über Ionenanalytik, Berlin, .
    • Kraft V, Nowak S. ‘Zweidimensionale Ionenchromatographie für die Untersuchung von Zersetzungsprodukten in LiPF6-basierten Batterielektrolyten.’ präsentiert auf der 7. Conference über Ionenanalytik, Berlin, .
    • Menzel J, Kraft V, Knepper M, Winter M, Nowak S. ‘Quantifizierung von phosphorhaltigen Zersetzungsprodukten in LiPF6-basierten Elektrolyten mittels IC/ICP-MS.’ präsentiert auf der 7. Conference über Ionenanalytik, Berlin, .
    • Mönighoff X, Grützke M, Winter M, Nowak S. ‘Extraktion von organischen Elektrolyten zum Recyceln von Lithium-Ionen-Batterien mittels überkritischem Kohlendioxid und Bestimmung mittels IC-ESI/MS und GC-MS.’ präsentiert auf der 7. Conference über Ionenanalytik, Berlin, .
    • Kraft V, Grützke M, Winter M, Nowak S. ‘Method development for the analysis of organophosphorus compounds in LiPF6-based electrolytes.’ contributed to the XXXVIII Colloquium Spectroscopicum Internationale, Tromsø, .
    • Strehlau J, Winter M, Nowak S. ‘Fluorine determination in energy storage materials by solid sampling high-resolution continuum source graphite furnace molecular absorption spectrometry.’ contributed to the CANAS 2013, Freiberg, .
    • Vortmann B, Nowak S, Engelhard C. ‘Identification of Thermal Aging Products of Electrolytes by Low-Temperature Plasma Ambient Ionization High-Resolution Mass Spectrometry.’ contributed to the CANAS 2013, Freiberg, .
    • Krüger S, Klöpsch R, Winter M, Nowak S. ‘The Interplay of Anode and Cathode in Lithium Ion Battery Full Cells.’ contributed to the 5. Kraftwerk Batterie Fachtagung, Aachen, .

    Articles
    Research Articles (Journals)
    • Lux SF, Placke T, Engelhardt C, Nowak S, Bieker P, Wirth KE, Passerini S, Winter M, Meyer H. . ‘Enhanced Electrochemical Performance of Graphite Anodes for Lithium-Ion Batteries by Dry Coating with Hydrophobic Fumed Silica.’ Journal of The Electrochemical Society 159, № 11: A1849–A1855. doi: 10.1149/2.070211jes.
    • Telgmann L, Wehe CA, Birka M, Kunnemeyer J, Nowak S, Sperling M, Karst U. . ‘Speciation and isotope dilution analysis of gadolinium-based contrast agents in wastewater.’ Environmental Science and Technology 46, № 21: 11929–11936. doi: 10.1021/es301981z.
    • Schmitz R, Muller R, Kruger S, Schmitz RW, Nowak S, Passerini S, Winter M, Schreiner C. . ‘Investigation of lithium carbide contamination in battery grade lithium metal.’ Journal of Power Sources 217: 98–101. doi: 10.1016/j.jpowsour.2012.05.038.
    Posters
    • Kraft V, Nowak S, Nassmacher A, Passerini S, Winter M. ‘Investigation of the Temperature Influence on the Decomposition of LiPF6 - Electrolytes with IC-ESI-MS/MS.’ contributed to the 24th International Ion Chromatography Symposium, Berlin, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘INVESTIGATIONS ON IONIC LIQUIDS BY MEANS OF IC, IC/ICP-OES AND IC/ESI-MS.’ contributed to the 24th International Ion Chromatography Symposium, Berlin, .
    • Grützke M, Nowak S, Klamor S, Nassmacher A, Kraft V, Passerini S, Winter M. ‘Evaluation of Electrolytes with Ion and Gas Chromatography of a Supercritical CO2-Extraction during the Recycling Process of Lithium-Ion Batteries.’ contributed to the 24th International Ion Chromatography Symposium, Berlin, .
    • Hoffmann B, Nowak S, Winter M. ‘Analysis of Lithium ion battery materials by LA-ICP-MS.’ contributed to the 11th European Workshop on Laser Ablation, Gijón, .
    • Nowak S, Terborg L, Künnemeyer J, Karst U, Buscher W. ‘Robustness Study of the Static High Sensitivity ICP (SHIP) for the Analysis of Samples containing Organic Solvents.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Heine J, Bieker P, Passerini S, Winter M. ‘Investigation on the Lithium and Sulfur Solubility in different Organic Solvents by ICP-OES.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Lux SF, Passerini S, Winter M. ‘Stability and Impurities Investigations on Ionic Liquids with ICP-OES, IC/ICP-OES and IC/ESI-MS.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Lux SF, Passerini S, Winter M. ‘Determination of Nano-SiO2 Graphite Particles and Nano-Si coated Particles after Sodium/Potassium Carbonate Digestion with ICP-OES.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Terborg L, Passerini S, Winter M. ‘Identification of Decomposition Products in commercially available Lithium Ion Battery Electrolyte Systems by means of IC/ICP-OES AND IC/ESI-MS.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Hoffmann B, Nowak S, Passerini S, Winter M. ‘Surface Analysis of Lithium Ion Battery Materials by LA-ICP-MS.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Hoffmann B, Nowak S, Passerini S, Winter M. ‘ICP-OES application in lithium ion battery research.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Terborg L, Nowak S, Schappacher F, Winter M. ‘ICP-OES Analysis of Lithium-Ion Battery Active Material after Microwave Digestion”.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘Expanding the possibilities of gas chromatographic investigation for lithium ion batteries.’ contributed to the 4. Kraftwerk Batterie Fachtagung, Münster, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘Investigation of decomposition products in the lithium ion battery electrolyte system.’ contributed to the 4. Kraftwerk Batterie Fachtagung, Münster, .
    • Fromm O, Hilbig P, Placke T, Terborg L, Nowak S, Meyer H, Passerini S, Winter M. ‘Investigation of ionic liquid electrolyte stability for dual-ion cells by ion chromatography.’ contributed to the Electrochemistry 2012 (GdCH), Technische Universität München, München, .
    Project Reports
    • Nowak S, Winter M. . Recycling von Lithium Ionen Batterien (LithoRec) - Abschlussbericht zum Verbundvorhaben . Hannover, .

    Research Articles (Journals)
    • Terborg L, Nowak S, Passerini S, Winter M, Karst U, Haddad PR, Nesterenko PN. . ‘Ion Chromatographic Determination of Hydrolysis Products of Hexafluorophosphate Salts in Aqueous Solution.’ Analytica Chimica Acta 714: 121–126. doi: 10.1016/j.aca.2011.11.056.
    • Li J, Klöpsch R, Stan MC, Nowak S, Kunze M, Passerini S, Winter M. . ‘Synthesis and electrochemical performance of the high voltage cathode material Li[Li0.2MnO0.56Ni0.16Co0.08]O2 with improved rate capability.’ Journal of Power Sources 196, № 10: 4821–4825. doi: 10.1016/j.jpowsour.2011.01.006.
    • Li J, Klöpsch R, Nowak S, Kunze M, Winter S, Passerini S. . ‘Investigations on cellulose-based high voltage composite cathodes for lithium ion batteries.’ Journal of Power Sources 196: 7687–7691. doi: 10.1016/j.jpowsour.2011.04.030.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Bieker P, Placke T, Lux SF, Engelhardt C, Rodehorst U, Meyer HW, Passerini S. Wirth KE, Winter M. ‘Enhanced electrochemical performance of metal oxide coatings on graphite in combination with fluorine-free, aqueous processable binder .’ contributed to the 220th ECS Meeting, Boston, . doi: 10.1149/MA2011-02/12/597.
    • Lux SF, Placke T, Engelhardt C, Nowak S, Rodehorst U, Meyer HW, Passerini S, Wirth KE, Winter M. ‘Enhanced performance of silica dry-coated graphite.’ contributed to the 219th ECS Meeting, Montreal, . doi: 10.1149/MA2011-01/2/45.
    Posters
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘Investigation of the decomposition products of lithium hexafluorophosphate by IC/ICP-OES and IC/ESI-MS.’ contributed to the 6. Conference über Ionenanalytik, Berlin, .
    • Nowak S, Lux SF, Passerini S, Winter M. ‘ICP Techniques for the Determination of Impurities in Lithium Ion Battery Starting Materials.’ contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘GC-MS and Headspace Methods for Investigations of Electrolyte Systems in Lithium Ion Batteries.’ contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘Speciation of Phosphorus-based Decomposition Products in a Lithium Ion Battery Electrolyte System.’ contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen, .
    • Nowak S, Blaske F, Wehe CA, Krüger S, Karst U. ‘Determination of Silver Nanoparticles in Different Hygiene Products by Means of ICP Techniques.’ contributed to the GDCh-Wissenschaftsforum Chemie 2011,, Bremen, .
    • Li J, Klöpsch R, Stan MC, Nowak S, Kunze M, Passerini S, Winter M. ‘High Voltage Cathode Material Li[Li0.2MnO0.56Ni0.16Co0.08]O2 with improved rate capability.’ contributed to the 118th International Conference on Solid State Ionics, Warschau, .
    • Krüger S, Hanisch C, Haselrieder W, Nowak S, Passerini S, Kwade A, Winter M. ‘Recycling Of Lithium-Ion Batteries.’ contributed to the 118th International Conference on Solid State Ionics, Warschau, Polen, .
    • Terborg L, Nowak S, Haddad PR, Nesterenko PN, Winter M, Karst U. ‘Analysis of Decomposition Products of Hexafluorophosphate Salts in Aqueous Solution.’ contributed to the HPLC 2011, Budapest, .
    • Nowak S, Terborg L, Blaske F, Karst U, Passerini S, Winter M. ‘Speciation of Phosphorus Decomposition Products in a Lithium Ion Battery Electrolyte System.’ contributed to the TraceSpec 2011: 13th Workshop on Progress in Trace Metal Speciation for Environmental Analytical Chemistry, Pau, .
    • Nowak S, Terborg L, Wagner HC, Lux SF, Karst U, Passerini S, Winter M. ‘Quality control in lithium ion batteries: new GC-MS and Headspace-GC-MS methods.’ contributed to the Bunsenkolloquium 2011, Goslar, .
    • Nowak S, Blaske F, Terborg L, Lux SF, Karst U, Passerini S, Winter M. ‘Decomposition Products of the Electrolyte System EC/DEC by means of Hyphenated Techniques.’ contributed to the Bunsenkolloquium 2011, Goslar, .
    • Nowak S, Lux SF, Gallasch TW, Passerini S, Winter M. ‘LA-ICP-MS and ICP-OES for the Determination of Impurities in Li-Ion Battery Materials.’ contributed to the Bunsenkolloquium 2011, Goslar, .
    • Terborg L, Nowak S, Lux SF, Winter M, Karst U. ‘Analysis of Lithium Hexafluorophosphate and its Decomposition Products by IC/ICP-OES and IC/ESI-MS.’ contributed to the Bunsenkolloquium 2011, Goslar, .
    • Wehe CA, Blaske F, Nowak S, Karst U. ‘Overcoming challenges of silver quantification in different hygiene products by use of ICP-MS and ICP-OES.’ contributed to the ANAKON 2011, Zürich, .
    • Nowak S, Blaske F, Terborg L, Karst U, Passerini S, Winter M. ‘Investigations of Decomposition Products in the Lithium Ion Battery Electrolyte System via IC/ICP-OES and IC/ESI-MS.’ contributed to the CANAS 2011, Leipzig, .
    • Nowak S, Blaske F, Wehe CA, Krüger S, Karst U. ‘Application of ICP-OES and ICP-MS for the analysis of silver nanoparticles in consumer products.’ contributed to the CANAS 2011, Leipzig, .
    • Wagner HC, Krüger S, Schmitz R, Nowak S, Passerini S, Winter M. ‘Investigations of Phosphorus content in thermal aged in Lithium Ion Battery Electrolyte System via ICP-OES.’ contributed to the CANAS 2011, Leipzig, .
    • Hoffmann B, Nowak S, Passerini S, Winter M. ‘Application of ICP-OES in Lithium Ion Battery Research.’ contributed to the CANAS 2011, Leipzig, .
    • Hoffmann B, Krüger S, Wagner HC, Schappacher F, Nowak S, Passerini S, Winter M. ‘Recycling von Lithium Ionen Batterien – Analyse und Methoden.’ präsentiert auf der 3. Kraftwerk Batterie Fachtagung, Aachen, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘Alterungsuntersuchungen an Lithiumhexafluorophosphat mittels analytischer Methoden.’ präsentiert auf der 3. Kraftwerk Batterie Fachtagung, Aachen, .
    • Nowak S, Terborg L, Wagner HC, Karst U, Passerini S, Winter M. ‘Development of new GC-MS and Headspace-GC-MS methods for quality control in lithium-ion batteries.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, .
    • Nowak S, Blaske F, Wehe CA, Karst U. ‘Quantification of silver nanoparticles in commercially available hygiene products by use of ICP-MS and ICP-OES.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, .
    • Nowak S, Terborg L, Karst U, Passerini S, Winter M. ‘Characterization of lithium hexafluorophosphate decomposition products by IC/ICP-OES and IC/ESI-MS.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, .
    • Nowak S, Lux SF, Gallasch TW, Passerini S, Winter M. ‘Combination of LA-ICP-MS and ICP-OES for the determination of impurities in lithium-ion battery starting materials.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, .
    • Vogel M, Wilken A, Janzen R, Holtkamp M, Nowak S, Sperling M, Karst U. ‘Interaction of Mercurochrome constituents with proteins using liquid chromatography/mass spectrometry.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, .
    • Lux SF, Placke T, Engelhardt C, Nowak S, Rodehorst U, Meyer H, Passerini S, Wirth KE, Winter M. ‘Enhanced performance of silica dry-coated graphite.’ contributed to the 219th ECS Meeting, Montréal, Montréal, .
    • Schroeder M, Nowak S, Winter M, Balducci A. ‘Petroleum Coke as anode material for high power Li-Ion Batteries.’ contributed to the 18th International Conference on Solid-State-Ionics, Warschau, Warschau, .

    Research Articles (Journals)
    • Meermann B, Moller I, Nowak S, Luftmann H, Karst U. . ‘Iodine speciation using thin-layer chromatography coupled to inductively coupled plasma-mass spectrometry by means of an extraction device.’ Journal of Analytical Atomic Spectrometry 25, № 10: 1654–1658. doi: 10.1039/c003512b.
    • Wilken A, Janzen R, Holtkamp M, Nowak S, Sperling M, Vogel M, Karst U. . ‘Investigation of the interaction of Mercurochrome® constituents with proteins using liquid chromatography/mass spectrometry.’ Analytical and Bioanalytical Chemistry 397, № 8: 3525–3532. doi: 10.1007/s00216-010-3842-1.
    Conference Contributions
    Abstracts in Digital Collections (Conferences)
    • Lux, Simon; Nowak, Sascha; Terborg, Lydia; Holtkamp, Michael; Krämer, Elisabeth; Schappacher, Falko; Rodehorst, Uta; Gallasch, Tobias; Meyer, Hinirich-Wilhelm; Karst, Uwe; Winter, Martin. ‘Application of LA-ICP-MS/LA-ICP-OES and ICP-OES for the Determination of Impurities in Li-Ion Battery Compounds.’ contributed to the 218th ECS Meeting, Las Vegas, . doi: 10.1149/MA2010-02/1/66.
    Posters
    • Terborg L, Nowak S, Winter M, Karst U. ‘IC/ICP-OES and IC/ESI-MS Analysis of Lithium Hexafluorophosphate and its Decomposition Products.’ contributed to the 18th RACI Research & Development Topics Conference, Hobarth, .
    • Lux SF, Nowak S, Terborg L, Holtkamp M, Krämer E, Schappacher F, Rodehorst U, Gallasch TW, Karst U, Winter M. ‘Application of LA-ICP-MS/LA-ICP-OES and ICP-OES for the determination of impurities in Li-Ion battery compounds.’ contributed to the 218th ECS Meeting, Las Vegas, .
    • Nowak S, Terborg L, Holtkamp M, Lux SF, Krämer E, Schappacher F, Rodehorst U, Gallasch TW, Deckwart JM, Bremes HG, Karst U, Winter M. ‘Combined Efforts of LA-ICP-MS/LA-ICP-OES and ICP-OES to determine Impurities in Li-Ion Battery Starting Materials.’ contributed to the 5th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Gesell M, Holtkamp M, Sperling M, Buscher W. ‘Static High Sensitivity ICP (SHIP) for the Analysis of Food Samples after Microwave Digestion.’ contributed to the 5th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Terborg L, Künnemeyer J, Buscher W, Karst U. ‘Determination of Gd-based Contrasting Agents in Human Urine by means of Static High Sensitivity ICP (SHIP).’ contributed to the 5th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Trümpler S, Meermann B, Wiesmüller GA, Buscher W. ‘Analysis of Mercury in Human Blood Components by means of Static High Sensitivity ICP (SHIP).’ contributed to the 5th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Terborg L, Nowak S, Winter M, Karst U. ‘Characterization of Lithium Hexafluorophosphate and its Decomposition Products by IC/ICP-OES and IC/ESI-MS”.’ contributed to the 5th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Terborg L, Nowak S, Colle C, Deckwart JM, Bremes HG, Winter M, Karst U. ‘Characterization of Lithium Ion Battery Electrolytes with Chromatographic Methods.’ contributed to the PITTCON, Orlando, .

    Research Articles (Journals)
    • Kunnemeyer J, Terborg L, Nowak S, Brauckmann C, Telgmann L, Albert A, Tokmak F, Kramer BK, Gunsel A, Wiesmuller GA, Karst U. . ‘Quantification and excretion kinetics of a magnetic resonance imaging contrast agent by capillary electrophoresis-mass spectrometry.’ Electrophoresis 30, № 10: 1766–1773. doi: 10.1002/elps.200800831.
    • Trumpler S, Nowak S, Meermann B, Wiesmuller GA, Buscher W, Sperling M, Karst U. . ‘Detoxification of mercury species-an in vitro study with antidotes in human whole blood.’ Analytical and Bioanalytical Chemistry 395, № 6: 1929–1935. doi: 10.1007/s00216-009-3105-1.
    • Kunnemeyer J, Terborg L, Nowak S, Telgmann L, Tokmak F, Kramer BK, Gunsel A, Wiesmuller GA, Waldeck J, Bremer C, Karst U. . ‘Analysis of the contrast agent Magnevist and its transmetalation products in blood plasma by capillary electrophoresis/electrospray ionization time-of-flight mass spectrometry.’ Analytical Chemistry 81, № 9: 3600–3607. doi: 10.1021/ac8027118.
    Posters
    • Nowak S, Trümpler S, Meermann B, Wiesmüller GA, Buscher W, Sperling M, Karst U. ‘Investigations of mercury interaction with human blood components by means of Static High Sensitivity ICP (SHIP).’ contributed to the TraceSpec, Mainz, .
    • Terborg L, Künnemeyer J, Telgmann L, Nowak S, Tokmak F, Karst U. ‘Determination of the excretion kinetics of Gd-based MRT-contrast agents by means of HILIC/ICP-MS and CE/ESI-ToF-MS.’ contributed to the 118th BASF Summer Course, Ludwigshafen, .
    • Trümpler S, Meermann B, Nowak S, Buscher W, Sperling M, Karst U. ‘Reaktionen des EtHg+-Kations in Körperflüssigkeiten.’ präsentiert auf der 5. Conference über Ionenanalytik, Berlin, .
    • Terborg L, Künnemeyer J, Telgmann L, Nowak S, Brauckmann C, Karst U. ‘Quantifizierung und Ausscheidungskinetik ionischer MRT-Kontrastmittel: Eine CE/MS Studie.’ präsentiert auf der 5. Conference über Ionenanalytik, Berlin, .
    Research Article (Book Contributions)
    • Nowak, S, Sperling, M, Wiesmüller GA. . „VI-3 Platinmetalle.“ In Handbuch der Umweltmedizin, herausgegeben von Wichmann H-E, Schlipköter H-W, Fülgraff G, 1–3.
    • Nowak S, Sperling M, Wiesmüller GA. . „VI-3 Platinmetalle - Palladium.“ In Handbuch der Umweltmedizin, herausgegeben von Wichmann H-E, Schlipköter H-W, Fülgraff G, 1–36.

    Articles
    Research Articles (Journals)
    • Kunnemeyer J., Terborg L., Nowak S., Scheffer A., Telgmann L., Tokmak F., Gunsel A., Wiesmuller G., Reichelt S., Karst U. . ‘Speciation analysis of gadolinium-based MRI contrast agents in blood plasma by hydrophilic interaction chromatography/electrospray mass spectrometry.’ Analytical Chemistry 80, № 21: 8163–8170. doi: 10.1021/ac801264j.
    Posters
    • Nowak S, Künnemeyer J, Terborg L, Tokmak F, Buscher W, Karst U. ‘Investigations of Gd-based magnetic resonance imaging contrasting agents in human samples.’ contributed to the 4th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Nowak S, Künnemeyer J, Terborg L, Karst U, Buscher W. ‘Investigation of real samples by means of Static High Sensitivity ICP (SHIP).’ contributed to the 4th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Künnemeyer J, Terborg L, Nowak S, Tokmak F, Karst U. ‘Analysis of Gd-based Contrast Agents in Blood Plasma by HILIC/ESI-MS, HILIC/ICP-MS and CE/ESI-ToF-MS.’ contributed to the 56th ASMS Conference on Mass Spectrometry, Denver, .
    • Künnemeyer J, Terborg L, Nowak S, Tokmak F, Karst U. ‘Bestimmung Gd-basierter MRT-Kontrastmittel in Blutplasma mittels HILIC/ESI-MS und CE/ESI-ToF-MS.’ contributed to the 41. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Gießen, .
    • Terborg L, Künnemeyer J, Nowak S, Tokmak F, Karst U. ‘Analysis of Gadolinium-based MRI Contrasting Agents by CE/ESI-ToF-MS and HILIC/ESI-MS.’ contributed to the ANALYTICA, München, .
    Theses (Doctoral or Postdoctoral)
    • Nowak S. . New Methods and Instrumentation for Elemental Analysis in Biological Samples Dissertation thesis, Universität Münster.

    Research Articles (Journals)
    • Engelhard C, Scheffer A, Nowak S, Vielhaber T, Buscher W. . ‘Trace element determination using static high-sensitivity inductively coupled plasma optical emission spectrometry (SHIP-OES).’ Analytica Chimica Acta 583, № 2: 319–325. doi: 10.1016/j.aca.2006.10.014.
    • Engelhard C, Scheffer A, Nowak S, Buscher W. . „SHIP-OES - statisches Hochempfindlichkeits - ICP.“ GIT Labor-Fachzeitschrift 2007, № 6: 490–493.
    Posters
    • Scheffer, A; Nowak, S; Engelhard, C; Buscher, W. ‘Eintrag feuchter Aerosole in ein quasi statisches ICP (SHIP) zur Elementspurenanalytik.’ präsentiert auf der ANAKON, Jena, .

    • Scheffer, A; Nowak, S; Engelhard, C; Buscher, W. ‘Investigations of wet aerosol Introduction into a quasi static Inductively Coupled Plasma (SHIP) for Optical Emission Spectrometry.’ contributed to the 3rd Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Scheffer, A; Nowak, S; Engelhard, C; Günsel, AK; Buscher, W. ‘First results on the palladium analysis in human samples with the Static High Sensitivity ICP Optical Emission Spectrometry.’ contributed to the 3rd Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Scheffer, A; Nowak, S; Engelhard, C; Buscher, W. ‘Infrared Thermography: an efficient tool for optimisation of new torches for Inductively Coupled Plasmas.’ contributed to the 3rd Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Scheffer, A; Nowak, S; Engelhard, C; Brandt, R; Jakubowski, N; Buscher, W. ‘Reducing the high argon consumption of Inductively Coupled Plasmas (ICP) by means of the Static High Sensitivity ICP (SHIP) technique.’ contributed to the ANALYTICA, München, .
    • Scheffer, A; Nowak, S; Engelhard, C; Buscher, W. ‘Focus on the figures of merit of the Static High Sensitivity ICP (SHIP).’ contributed to the Winter Conference on Plasma Spectrochemistry, Tucson, .

  • Talks

    • Kessen, Dennis; Walter, Matthias; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon : “Advancements in Elemental Analysis of Lithium Ion Batteries Using ETV-ICP-OES – Challenges and Opportunities”. 11th Nordic Conference on Plasma Spectrochemistry, Loen , .
    • Buchmann, Julius; van Wickeren, Stefan; Petzold, Moritz; Winter, Martin; Nowak, Sascha : “Lithium Ion Battery Recycling - Analytical Techniques for Process Water Characterization and Risk Assessment”. Initiating, Translating & Scaling-up of Battery Innovations in North West Europe & Silicon Valley, Stanford, .
    • Kessen, Dennis; Winter, Martin; Nowak, Sascha; Wiemers-Meyer, Simon : “Post-Mortem Analysis of Lithium Ion Batteries using Thermal Decomposition and Vaporization Techniques”. Initiating, Translating & Scaling-up of Battery Innovations in North West Europe & Silicon Valley Workshop, Stanford, .
    • Nowak, Sascha : „Battery Research – Current Trends and Challenges from an Analytical Perspective“. Agilent Webinar - Batterie-Wertschöpfungskette: Aktuelle Trends, Herausforderungen und analytische Lösungen, Virtual, .
    • Buchmann, Julius; Petzold, Moritz; van Wickeren, Stefan; Winter, Martin; Nowak, Sascha : “Comprehensive Characterization of Process Water in Lithium-Ion Battery Recycling – an Analytical Guide”. 244th ECS Meeting (The Electrochemical Society), Göteburg, .
    • Geuder, Karsten; Klick, Stefan; Nowak, Sascha; Seifert, Hans Jürgen; Ziebert, Carlos : “Calendar Aging of Lithium-Ion Batteries: Investigating the Influence of Electrolyte Additives in Open-Circuit and Floating State-of-Charge Conditions”. 244th ECS Meeting (The Electrochemical Society), Göteburg, .
    • Wiemers-Meyer, Simon; Vahnstiege, Marc; Kröger, Till-Niklas; Harte, Patrick; Beuse, Thomas; Wölke, Jan Mathis; Klein, Sven; Börner, Markus; Winter, Martin; Nowak, Sascha : “Quantifying the Inactivation of Battery Electrode Material Particles”. 244th ECS Meeting (The Electrochemical Society), Göteburg, .
    • Nowak, Sascha : „LIB Recycling - Characterization of Blackmass “. Recycling Talk, Virtual, .
    • Ulke, Jessica; Lechtenfeld, Christian; Peschel, Christoph; van Wickeren, Stefan; Bloch, Aleksandra; Simon, Anna; Winter, Martin; Nowak, Sascha : „Anwendung der Ionenchromatographie zur Charakterisierung innovativer Recyclingstrategien von Batterieelektrolyten“. Metrohm Praxiseminar: Analytik von Batterieelektrolyten, Filderstadt, .
    • Nowak, Sascha : “Investigation of Transition Metal Dissolution of in Lithium Ion Batteries by Total Reflection X-ray Fluorescence”. Rapid and Cost-Effective Metal Analysis for the Material Sciences and Battery Research , Virtual, .
    • Nowak, Sascha : „GC-basierte Charakterisierung von Lithium-Ionen-Batterie Materialien im Bereich des Recyclings“. Shimadzu-Webinar zum Thema Energie, Virtual, .
    • Nowak, Sascha : “Tutorial - xEV Lithium-ion Recycling Methods: Hazard Identification / Decomposition of Electrolytes”. AABC Europe, Mainz, .
    • Nowak, Sascha : “Lithium Ion Batteries Elemental Analysis”. Lithium Battery Thermo Webinar, Virtual, .
    • Lechtenfeld, Christian; Peschel, Christoph; van Wickeren, Stefan; Bloch, Aleksandra; Winter, Martin; Nowak, Sascha : “ ”. 243rd ECS Meeting (The Electrochemical Society), Boston, .
    • Nowak, Sascha; Peschel, Christoph : „Möglichkeiten der analytischen Charakterisierung während des Recyclings von Lithium-Ionen-Batterien“. Brennstoffzellen | Batterien, Duisburg Essen, .
    • Nowak, Sascha; Peschel, Christroph; Winter, Martin : “Comprehensive Characterization of Shredded Lithium-ion Battery Recycling Material”. International Battery Seminar 2023, Orlando, .
    • Buchmann, Julius; Henschel, Jonas; Winter, Martin; Nowak, Sascha : “Phytoremediation of soils contaminated with battery materials”. MUST Winter School, Münster, .
    • Nowak, S; Henschel, J; Horsthemke, F; Stenzel, YP; Evertz, M; Girod, S; Lürenbaum, C; Kösters, K; Wiemers-Meyer, S; Winter, M : “Lithium ion battery electrolyte degradation of field-tested electric vehicle battery cells - Obtaining quantitative results by speciation”. Thermo ICP-MS Anwenderseminar, Darmstadt, .
    • Nowak, S; Peschel, C; Winter, M : “From Non-Target to Target analysis via GC-HRMS of lithium ion battery electrolyte decomposition”. GC meets NTS, Virtual, .
    • Nowak, S; Helling, M; Winter, M : „Glimmentladungsmassenspektrometrie im Bereich der Lithium-Ionen-Batterieforschung – Herausforderungen und Möglichkeiten bei der Methodenentwicklung“. Anwendertreffen Analytische Glimmentladungsspektrometrie, Dresden, .
    • Nowak, S; Peschel, C; Henschel, J; Winter, M : “Characterization of Electrolytes: from Aging to Recycling”. IMLB 2022, Sydney, .
    • Nowak, S; Leißing, M; Winter, M; Wiemers-Meyer, S : “Analysis of permanent gases and light hydrocarbons evolving during operation oflithium ion batteries with a barrier discharge ionization detector”. 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Helling, Malina; Mense, Maximilian; Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha : “Glow discharge-mass spectrometry in the field of lithium batteries-Overcoming challenges in method development”. 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Kröger, Till-Niklas; Harte, Patrick; Vahnstiege, Marc; Beuse, Thomas; Jan Mathis Wölke; Klein, Sven; Börner, Markus; Winter, Martin, Nowak, Sascha; Wiemers-Meyer, Simon : “Single particle ICP-OES analysis of battery materials determining particleinactivation and its consequences for the battery”. 10th Nordic Conference on Plasma Spectrochemistry, Loen, .
    • Kubot, Maximilian; Winter, Martin; Nowak, Sascha : “Organofluorophosphates As Electrochemical Aging Products in Lithium Ion Battery Electrolytes”. 241th ECS Meeting, Vancouver, .
    • Nowak, S; Peschel, C : „Möglichkeiten der analytischen Charakterisierung während des Recyclings von Lithium-Ionen-Batterien“. Brennstoffzellen | Batterien: Charakterisierung entlang der Prozesskette vom Pulver zur funktionalen Schicht, Castrop Rauxel, .
    • Helling, Malina; Winter, Martin; Nowak, Sascha : “APPLICATION AND CHALLENGES OF GLOW DISCHARGE MASS SPECTROMETRY IN THE FIELD OF LITHIUM ION BATTERIES”. 5th International Glow Discharge Spectroscopy Symposium, Oviedo, Spanien, .
    • Nowak, Sascha : “General Recycling Processes & Requirements for Lithium Ion Batteries”. Perkin Elmer - Battery Webinar - Materials Analysis Challenges for Battery Recyclers, Virtual, .
    • Nowak, Sascha : “Characterization of Lithium Ion Battery Electrolytes”. Perkin Elmer - Battery Webinar - Electrolytes From Chemicals to Materials - Innovate Better Batteries From Your Electrolyte Analysis , Virtual, .
    • Nowak, Sascha : „InnoRec - Innovative Recyclingprozesse für neue Lithium-Zellgenerationen“. 13. Batterietag, Virtual, .
    • Nowak, Sascha : “Recycling of LiBs: State of the Art and Perspectives”. Kreislaufwirtschaft aktuell - Chemie, Technologie und Ökonomie, Virtual, .
    • Nowak, Sascha; Henschel, Jonas; Horsthemke, Fabian; Stenzel, Yannick Philipp; Evertz, Marco; Girod, Sabrina; Lürenbaum, Constantin; Kösters, Kristina; Wiemers-Meyer, Simon; Winter, Martin : “Lithium Ion Battery Electrolyte Degradation of Field-tested Electric Vehicle Battery Cells – A Comprehensive Analytical Study”. International Battery Seminar, Virtual, .
    • Nowak, Sascha; Grützke Martin; Rothermel, Sergej; Krüger, Steffen; Winter, Martin : “Possible Dangers in Handling and Storing of Lithium Ion Batteries during Recycling”. AABC Europe, Virtual, .
    • Kösters, Kristina; Henschel, Jonas; Winter, Martin; Nowak, Sascha : “Removal of Hexafluorophosphate for a Faster and Interference Free Analysis of Lithium IonBattery Decomposition Products by means of Gas-and Liquid-Chromatography”. 31. Doktorandenseminar des AK Separation Science, Virtual, .
    • Nowak, Sascha; Evertz, Marco; Stenzel, Yannick P; Fehlings, Nick; Lürenbaum, Constantin; Winter, Martin : “nL droplet residues for TXRF: From the lithium ion battery research question to the WIPANO project „TRFA-KAL‘”. TUB/PTB Research Seminar , Berlin, .
    • Hanf, Lenard; Winter, Martin; Nowak, Sascha : “New insights into the capacity fading mechanisms of lithium ion batteries - Investigation of transition metal oxidation states in electrolytes by means of capillary electrophoresis”. 12. Kraftwerk Batterie Fachtagung, Münster, Deutschland, .
    • Nowak, Sascha; Harte, Patrick; Schwieters, Timo; Winter, Martin : “Qualitative and Quantitative Imaging of Transition Metal Deposition and Lithium Distribution Patterns in Lithium Ion Batteries”. 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster, Deutschland, .
    • Hanf, Lenard; Winter, Martin; Nowak, Sascha : “Transition metal speciation in lithium ion battery electrolytes by means of capillary electrophoresis”. 30. Doktorandenseminar des AK Separation Science, Duisburg, Deutschland, .
    • Henschel, Jonas; Stenzel Yannick Philipp; Winter, Martin; Nowak, Sascha : “LC-MS capabilities in lithium ion battery research ‒ Electrolyte degradation and beyond”. 30. Doktorandenseminar des AK Separation Science, Duisburg, Deutschland, .
    • Diehl, Marcel; Winter, Martin; Nowak, Sascha : “Glow Discharge Mass Spectrometry in Lithium Ion Batteries – The Jack of All Trades for Analyzing Solid Battery Components?” Anwendertreffen Analytische Glimmentladungsspektrometrie, Freiberg, Deutschland, .
    • Stenzel, Yannick Philipp; Henschel, Jonas; Winter, Martin; Nowak, Sascha : “Species Analysis of LIB Electrolytes using Hyphenated Techniques and Elemental Mass Spectrometry”. CANAS 2019, Freiberg, Deutschland, .
    • Kröger, Till-Niklas; Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha : “Direct Analysis of Argon-borne Particles in the Field of Lithium Ion Battery Cathode Materials by ICP-OES”. CANAS 2019, Freiberg, Deutschland, .
    • Nowak, Sascha; Evertz, Marco; Diehl, Marcel; Kenkel, Alexander; Winter, Martin : “Novel Insights into Lithium Losses and Solid Electrolyte Interphase Formation in Lithium Ion Batteries”. CANAS 2019, Freiberg, Deutschland, .
    • Nowak, Sascha; Evertz, Marco; Diehl, Marcel; Kenkel, Alexander; Winter, Martin : “Novel Perceptions of Lithium Ion Batteries: Isotopic Labeling for Insights into Lithium Losses and Solid Electrolyte Interphase Formation By Means of Plasma‑Based Techniques”. The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, Schottland, .
    • Horsthemke, Fabian; Winkler, Volker; Friesen, Alex; Winter, Martin; Nowak, Sascha : “Insights into Electrolyte Decomposition Phenomena Utilizing Solid Phase Microextraction - Gas Chromatography - Mass Spectrometry in Combination with an in Situ Lithium Ion Cell”. The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, Schottland, .
    • Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha : “In Situ NMR Study on Lib Electrolytes -Tracing the Network of Reactions in a Battery-”. The Electrochemical Conference on Energy and the Environment: Bioelectrochemistry and Energy Storage (ECEE 2019), Glasgow, Schottland, .
    • Nowak, Sascha; Evertz, Marco; Schwieters, Timo; Vortmann, Britta; Winter, Martin : “Analysis of Lithium Ion Batteries – Demands, State-of-the-art and Challenges”. Joint Seminar HZB & PTB, Berlin, Deutschland, .
    • Wiemers-Meyer, Simon; Winter Martin; Nowak, Sascha : “Revealing the Network of Reactions in LIB Electrolytes By In Situ and Ex Situ NMR Techniques”. 11. Kraftwerk Batterie Fachtagung, Aachen, Deutschland, .
    • Henschel, Jonas; Kösters, Kristina; Winter, Martin; Nowak, Sascha : “Quantification of potentially toxic Phosporus-based decomposition products in Lithium Ion battery electrolytes”. ANAKON 2019, Münster, Deutschland, .
    • Nowak, Sascha; Harte, Patrick; Mense, Maximilian; Schwieters, Timo; Winter, Martin : “Adaptation and Improvement of an Elemental Mapping Method for Lithium Ion Battery Electrodes via of Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry”. ANAKON 2019, Münster, Deutschland, .
    • Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha : “In Situ and Ex Situ NMR Analysis of Lithium Ion Battery Electrolytes”. ANAKON 2019, Münster, Deutschland, .
    • Diehl, Marcel; Evertz, Marco; Kenkel, Alexander; Winter, Martin; Nowak, Sascha : “Plasma-Based Techniques: A Versatile Tool to Gather Insights into Lithium Losses of Lithium Ion Batteries”. European Winter Conference on Plasma Spectrochemistry 2019, Pau, Frankreich, .
    • Nowak, Sascha; Rothermel, Sergej; Grützke, Martin; Winter, Martin; : “Recycling and Characterization of Active Materials from Spent Li-Ion Batteries”. Batterieforum Deutschland, Berlin, Deutschland, .
    • Horsthemke, Fabian; Friesen, Alex; Winter, Martin; Nowak, Sascha : “Analysis of Aging Phenomena in Lithium Ion Battery Electrolytes by SPME-GC-MS”. 29. Doktorandenseminar des AK Separation Science, Hohenroda, Deutschland, .
    • Nowak, Sascha; Stenzel, Yannick Philipp; Winter, Martin : “Evaluation of different plasma conditions and resolutions and analysis of organo(fluoro)phosphates via GC-ICP-SF-MS”. Thermo ICP-MS Anwenderseminar, Kassel, Deutschland, .
    • Nowak, Sascha; Evertz, Marco; Horsthemke, Fabian; Schwieters, Timo; Winter, Martin : “Analytical Possibilities for the Analysis of Lithium Ion Battery Aging Effects and the Correlation to the Electrochemical Performance”. Rudolf-Diesel-Industry-Fellowship Lecture Series, München, Deutschland, .
    • Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha : “In Situ NMR Measurements of LIB Electrolytes -Revealing the Network of Reactions in a Battery”. AiMES 2018 - ECS and SMEQ Joint International Meeting, Cancun, Mexiko, .
    • Nowak, Sascha; Evertz, Marco; Horsthemke, Fabian; Kasnatscheew, Johannes; Börner, Markus; Winter, Martin : “Unraveling Transition Metal Dissolution of Li1.04Ni1/3Co1/3Mn1/3O2 (NCM 111) in Lithium Ion Full Cells by Using the Total Reflection X-ray Fluorescence Technique”. 9. TXRF und µ-XRF-Workshop, Münster, Deutschland, .
    • Evertz, Marco; Kröger, Till-Niklas; Winter, Martin; Nowak, Sascha : “Total Reflection X-Ray Fluorescence in the Field of Lithium Ion Batteries – Elemental Detection in Lithium containing Electrolytes using Nanoliter Droplets”. 9. TXRF und µ-XRF-Workshop, Münster, Deutschland, .
    • Evertz, Marco; Kenkel, Alexander; Winter, Martin; Nowak, Sascha : “Understanding Lithium Losses in Layered Lithium Ion Battery Cathode Materials by Means of Plasma-Based Techniques”. 13. Symposium „Massenspektrometrische Verfahren der Element­spurenanalyse“ & ICPMS-Anwendertreffen, Berlin, Deutschland, .
    • Nowak, Sascha; Schwieters, Timo; Evertz, Marco; Mense, Maximilian; Harte, Patrick; Winter, Martin : “Visualizing elemental deposition and distribution patterns on graphite anodes from lithium ion batteries: A laser ablation-inductively coupled plasma-mass spectrometry approach”. 13. Symposium „Massenspektrometrische Verfahren der Element­spurenanalyse“ & ICPMS-Anwendertreffen, Berlin, Deutschland, .
    • Stenzel, Yannick Philipp; Henschel, Jonas; Winter Martin; Nowak Sascha : “Investigation of different plasma conditions and resolutions for lithium ion battery electrolyte analysis by means of GC-ICP-SF-MS”. Interdisziplinäres Doktorandenseminar des Deutschen Arbeitskreises für Analytische Spektroskopie (DAAS), Geesthacht, Deutschland, .
    • Diehl, Marcel; Naber, Verena; Winter, Martin; Nowak, Sascha : “Deciphering the Lithium Ion Movement in Lithium Ion Batteries: Determination of the Isotopic Abundances of 6Li and 7Li by Means of Plasma-Based Mass Spectrometric Techniques”. Interdisziplinäres Doktorandenseminar des Deutschen Arbeitskreises für Analytische Spektroskopie (DAAS), Geesthacht, Deutschland, .
    • Evertz, Marco; Winter, Martin; Nowak Sascha : “Elemental Investigation of Lithium Ion Battery Materials by Means of Plasma- and X ray Based Techniques”. Interdisziplinäres Doktorandenseminar des Deutschen Arbeitskreises für Analytische Spektroskopie (DAAS), Geesthacht, Deutschland, .
    • Evertz, Marco; Stenzel, Yannick Philipp; Horsthemke, Fabian; Winter, Martin; Nowak, Sascha : “Total Reflection X ray Fluorescence of Lithium Ion Battery Electrolytes from Field Tested Electric Vehicles”. European Conference on X-Ray Spectrometry: EXRS2018, Ljubljana, Slowenien, .
    • Stenzel, Yannick Philipp; Henschel, Jonas; Winter, Martin; Nowak, Sascha : “IDENTIFICATION AND QUANTIFICATION OF POTENTIALLY HAZARDOUS DECOMPOSITION PRODUCTS OF LITHIUM ION BATTERY ELECTROLYTES CHROMATOGRAPHIC TECHNIQUES WITH ICP-SF-MS DETECTION ”. 9th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
    • Nowak, Sascha; Schwieters, Timo; Lürenbaum, Constantin; Mense, Maximilian; Vortmann-Westhoven, Britta; Winter, Martin : “Visualizing elemental deposition patterns on graphite anodes from lithium ion batteries: A combination of laser ablation-inductively coupled plasma-mass spectrometry and laser ablation-inductively coupled plasma-optical emission spectrometry”. 9th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
    • Evertz, Marco; Kenkel, Alexander; Winter, Martin; Nowak, Sascha : “INVESTIGATION OF LITHIUM LOSSES IN LITHIUM ION BATTERIES BY MEANS OF PLASMA BASED TECHNIQUES USING ISOTOPE LABELED MATERIALS”. 9th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
    • Nowak, Sascha; Diehl, Marcel; Evertz. Marco; Winter, Martin : “Direct Solid Analysis of Carbonaceous Electrodes Using 6Lithium Enriched Non-Aqueous Electrolytes and Transitition Metal Dissolution with Self-Prepared Matrix Matched Standards by Pulsed-Glow-Discharge-Sector Field-Mass Spectrometry (pGD-SF-MS)”. 4th International Glow Discharge Spectroscopy Symposium (IGDSS2018), Berlin, Deutschland, .
    • Nowak, Sascha; Schwieters, Timo; Vortmann, Britta; Lürenbaum, Constantin; Winter, Martin : “Laser Ablation ICP-MS Method for the Investigation of Lithium Ion Battery Electrodes”. CANAS & ESAS 2018, Berlin, Deutschland, .
    • Evertz, Marco; Kenkel, Alexander; Diehl, Marcel; Winter, Martin; Nowak, Sascha : “Investigation of 6Li-Isotope Labeled Lithium Ion Battery Electrodes by means of Plasma-based Techniques”. CANAS & ESAS 2018, Berlin, Deutschland, .
    • Diehl, Marcel, Evertz, Marco; Ibing, Lukas; Winter, Martin; Nowak, Sascha : “Combination of Different Elemental Analysis Methods with Isotope Dilution Analysis by Means of Plasma-Based Mass Spectrometric Techniques”. CANAS & ESAS 2018, Berlin, Deutschland, .
    • Stenzel, Yannick; Winter, Martin; Nowak, Sascha : “Quantitative analysis of potentially hazardous decomposition products of lithium ion battery electrolytes”. CANAS & ESAS 2018, Berlin, Deutschland, .
    • Nowak, Sascha; Mönnighoff, Xaver; Grützke, Martin; Winter, Martin : „Sub und überkritisches Kohlendioxid mit Lösemitteladditiven zur Wiedergewinnung von Lithium Ionen Batterie Elektrolyten“. Jahrestreffen der ProcessNet-Fachgruppe„Hochdruckverfahrenstechnik, Erlangen, Deutschland, .
    • Nowak, Sascha; Rothermel, Sergej; Winter, Martin : “Recycling of Graphite and Reutilization as Anode Material in Lithium Ion Battery Cells”. AABC Europe 2018, Mainz, Deutschland, .
    • Nowak, Sascha; Henschel, Jonas; Horsthemke, Fabian; Schultz, Carola; Winter, Martin : “Application of Gas and Liquid Chromatography Mass Spectrometry Methods for the Characterization of Lithium Ion Battery Electrolytes”. Shimadzu MS Days 2017, Hamburg, Shimadzu, .
    • Diehl, Marcel; Evertz, Marco; Winter, Martin; Nowak, Sascha : “DIRECT SOLID ANALYSIS OF CARBONACEOUS ELECTRODES USING 6LI ENRICHED NON AQUEOUS ELECTROLYTES IN LITHIUM ION BATTERIES BY GD-SF-MS”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Stenzel, Yannick Philipp; Winter, Martin; Nowak, Sascha : “SPECIATION OF ORGANOPHOSPHORUS AGING PRODUCTS IN LITHIUM ION BATTERY ELECTROLYTES VIA DRY PLASMA GC-ICP-SF-MS”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Henschel, Jonas; Winter, Martin; Nowak, Sascha : “HPLC-MSn INVESTIGATION OF LITHIUM ION BATTERY ELEKTROLYTE- RELATED AGING PRODUCTS”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Evertz, Marco; Diehl, Marcel; Kasnatscheew, Johannes; Winter, Martin; Nowak, Sascha : “INVESTIGATION OF LITHIUM LOSSES IN LITHIUM ION BATTERY ELECTRODES BY MEANS OF PLASMA-BASED TECHNIQUES”. Ionization Principles in Organic and Inorganic Mass Spectrometry , Menorca, Spanien, .
    • Nowak, Sascha; Kraft, Vadim; Stenzel Yannick; Menzel, Jennifer; Winter, Martin : “SPECIATION OF ORGANO(FLUOROPHOSPHATES IN LITHIUM ION BATTERY ELECTROLYTES BY SILMUTANEOUS 2D ION CHROMATOGRAPHY WITH ELECTROSPRAY IONIZATION AND INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Vortmann-Westhoven, Britta: Lürenbaum, Constantin; Winter, Martin; Nowak, Sascha : “WHERE IS THE LITHIUM? QUANTITATIVE DETERMINATION OF THE LITHIUM DISTRIBUTION IN LITHIUM ION BATTERY CELLS BY INDUCTIVELY COUPLED PLASMA TECHNIQUES”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Börner, Markus; Evertz, Marco; Kollmer, Felix; Schappcher, Falko Mark; Winter, Martin; Nowak, Sascha : “ANALYSIS OF ACTIVE MATERIAL DEGRADATION IN LITHIUM ION BATTERIES BY MEANS OF TIME-OF-FLIGHT SECONDARY MASS SPECTROMETRY ”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Preibisch, Yves; Stenzel, Yannick Philipp; Winter, Martin; Nowak, Sascha : “INVESTIGATION OF ENVIRONMENTAL FRIENDLY BINDER MATERIALS FOR LI ION BATTERIES BY MEANS OF PYROLYSIS-GC/EI-MS ”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Schwieters, Timo; Winter, Martin; Nowak, SAscha : “Spatially Resolved Elemental Deposition on Aged Lithium Ion Battery Graphite Electrodes by means of LA-ICP-MS”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Horsthemke, Fabian; Glogovac, Ivan; Mönnighoff, Xaver; Winter, Martin; Nowak, Sascha : “CHARACTERIZATION OF PHOSPHAZENE ADDITIVES AND THEIR DECOMPOSITION PRODUCTS IN LITHIUM ION BATTERY ELECTROLYTES BY GC-ORBITRAP-MS WITH DIFFERENT IONIZATIONS”. Ionization Principles in Organic and Inorganic Mass Spectrometry, Menorca, Spanien, .
    • Börner, Markus; Nowak, Sascha; Kollmer, Felix; Zech, Claudia; Beckhoff, Burkhard; Schappacher, Falko M.; Winter, Martin : “Analysis of the transition metal dissolution/deposition process in lithium ion batteries”. European Materials Research Society - ALTECH, Straßburg, Frankreich, .
    • Pyschik, Marcelina; Winter, Martin; Nowak, Sascha : “INVESTIGATIONS OF IONIC LIQUIDS AND ELECTROLYTES FROM LITHIUM ION BATTERIES BY CAPILLARY ELECTROPHORESIS”. 23rd International Symposium on Separation Sciences (ISSS 2017), Wien, Österreich, .
    • Vortmann, Britta; Kraft, Vadim; Winter, Martin; Nowak, Sascha : “Transition Metal Analysis in Lithium Ion Battery (LIB) Electrolytes by Ion Chromatography (IC) with Post-Column Reaction (PCR) and UV/Vis-Detectiondifferent Columnsvia self-prepared Chelation-Based Columns”. 23rd International Symposium on Separation Sciences (ISSS 2017), Wien, Österreich, .
    • Evertz, Marco; Kasnatscheew, Johannes; Winter, Martin; Nowak, Sascha : “Total Reflection X-Ray Fluorescence in the Field of Lithium Ion Batteries – Elemental Detection on Carbonaceous Anodes”. 17th International Conference on Total Reflection X-Ray Fluorescence Analysis and Related Methods (TXRF2017), Brescia, Italien, .
    • Pyschik, Marcelina; Zech, Claudia; Beckhoff, Burkhard; Winter, Martin; Nowak, Sascha : “Investigations of Ionic Liquids by Ion Chromatography, Capillary Electrophoresis and X-Ray Absorption Spectrometry”. European Materials Research Society Spring Meeting, Straßburg, Frankreich, .
    • Zech, Claudia; Graetz, O; Raguzin, I; Ivanov, S; Müller, M; Stamm, M; Bund, A; Börner, Markus; Evertz, Marco; Pyschik, Marcelina; Nowak, Sascha; Grötzsch, D; Malter, W; Beckhoff, Burkhard : “Traceable chemical analyses of new liquid and solid battery components by X-ray spectrometry in UHV environment”. European Materials Research Society Spring Meeting, Straßburg, Frankreich, .
    • Evertz, Marco; Schiweters, Timo; Börner, Markus; Winter, Martin; Nowak, Sascha : “Matrix-Matched Calibration Approach for Sector-Field Glow Discharge- Mass Spectrometry in the Field of Lithium Ion Batteries”. Anwendertreffen Analytische Glimmentladungsspektrometrie, Bremen, Deutschland, .
    • Nowak, Sascha; Kraft, Vadim; Vortmann-Westhoven, Britta; Winter, Martin; Andersson, Jan; Nesterenko, Pavel : „Bestimmung von Übergangsmetallen in Lithium Ionen Batterie Elektrolyten mittels Ionenchromatographie“. Anwenderforum IC, Münster, Deutschland, .
    • Nowak, Sascha; Strehlau, Jenny; Weber, Till; Bornhorst, Julia; Schwerdtle, Tanja; Winter, Martin : „Fluoridbestimmung in Zellkulturmedien zur Untersuchung der Toxizität von Lithium Ionen Batterie Elektrolyten“. 9. Analytische Tage, Jena, Deutschland, .
    • Evertz, Marco; Kasnatscheew, Johannes; Zech, Claudia; Beckhoff; Winter, Martin; Nowak, Sascha : “Elemental Investigation of various Lithium Ion Battery Cathode Materials by means of Plasma- and X-Ray-Based Techniques”. ANAKON 2017, Tübingen, Deutschland, .
    • Pyschik, Marcelina; Winter, Martin; Nowak, Sascha : “Decomposition and Reaction of the Additive 1,3-Propane Sultone with Electrolyte Compounds”. 20th Topical Meeting of the International Society of Electrochemistry, Buenos Aires, Argentinien, .
    • Schwieters, Timo; Evertz, Marco; Winter, Martin; Nowak, Sascha : “INVESTIGATION OF AGED LITHIUM ION BATTERY ELECTRODES BY MEANS OF LA-ICP-MS AND ICP-OES”. European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, Österreich, .
    • Evertz, Marco; Schwieters, Timo; Börner, Markus; Winter, Martin; Nowak, Sascha : “Investigation of Lithium Ion Battery Electrodes by means of Sector Field-Glow Discharge-Mass Spectrometry (SF-GD-MS)”. European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, Österreich, .
    • Nowak, Sascha; Stenzel, Yannick; Menzel, Jennifer; Kraft, Vadim; Winter Martin : “Application of 2D-IC-ICP-MS and GC-SF-ICP-MS for the Speciation of Organophosphates in Lithium Ion Battery Electrolytes”. European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, Österreich, .
    • Lürenbaum, Constantin; Mönnighoff, Xaver; Fischer, Steffen; Winter, Martin; Nowak, Sascha : “Investigation of Lithium-Ion Battery Electrolytes by Gas Chromatography - Barrier Ionization Discharge Detector”. European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, Österreich, .
    • Stenzel, Yannick; Lürenbaum, Constantin; Winter, Martin; Nowak, Sascha : “Speciation Analysis of Organophosphorus Aging Products of Lithium Ion Battery Electrolytes by means of GC-ICP-SF-MS”. European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton, Österreich, .
    • Kraft, Vadim; Winter, Martin; Nowak, Sascha : „Analytik von Alterungsprodukten der Lithium-Ionen Batterieelektrolyten mittels Flüssigkeitschromatographie“. Chromatographie Anwenderseminar, Gelsenkirchen, Deutschland, .
    • Pyschik, Marcelina; Winter, Martin; Nowak, Sascha : „Alterungsprozesse von Ionischen Flüssigkeiten und Lithium Ionen Batterie Elektrolyten“. 27. Doktorandenseminar Hohenroda, Hohenroda, Deutschland, .
    • Nowak, Sascha; Schultz, Carola; Winter, Martin : “Qualitative and Quantitative Investigations of Organic Electrolytes in Lithium-Ion Batteries with LC-IT-TOF-MS and LC-MS/MS”. Shimadzu MS-Tage - Anwendertreffen und MS-Seminar, Berlin, Deutschland, .
    • Nowak, Sascha; Mönnighoff, Xaver; Stenzel, Yannick; Winter, Martin : “Orbitechnologie in Vergleich zur konventionellen GC-MS ”. European Food and Environmental Seminars 2016, Münster, Deutschland, .
    • Stenzel, Yannick; Grützke, Martin; Winter, Martin; Nowak, Sascha : “Analysis of Lithium Ion Battery Materials by Pyrolysis-GC-MS ”. Pyrolysis GC-MS User Meeting , Duisburg, Deutschland, .
    • Pyschik, Marcelina; Winter, Martin; Nowak, Sascha : “CE/ESI-MS Investigations of Electrolyte from Lithium-Ion Batteries”. CE Forum, Regensburg, Deutschland, .
    • Nowak, Sascha; Kraft, Vadim; Menzel, Jennifer; Vortmann, Britta; Winter, Martin : “Investigation of lithium ion battery electrolytes by simultaneous two dimensional IC-ESI-MS and IC-ICP-MS”. 2nd Global IC User Meeting, Herisau, Schweiz, .
    • Vortmann-Westhoven, Britta; Kraft, Vadim; Lürenbaum, Constantin; Hanf, Lenard, Diehl; Marcel; Winter, Martin; Nowak, Sascha : “Lithium Ion Batteries: Stoichiometric Characterization of Electrodes and Determination of Transition Metal Dissolution in Electrolytes using CE and IC”. 2nd Global IC User Meeting, Herisau, Schweiz, .
    • Nowak, Sascha; Evertz, Marco; Lürenbaum, Constantin; Winter, Martin; : „TXRF in der Batterieanalytik“. 8. TXRF und µ-XRF-Workshop, Münster, Deutschland, .
    • Evertz, Marco; Winter, Martin; Nowak, Sascha : “Detektion von elementaren Batteriedegradationsprodukten mittels TXRF ”. 8. TXRF und µ-XRF-Workshop, Münster, Deutschland, .
    • Nowak Sascha, Stenzel Yannick, Kraft Vadim, Menzel, Jennifer, Winter Martin : “SPECIATION OF ORGANOPHOSPHATES IN LITHIUM ION BATTERY ELECTROLYTES WITH 2D-IC-ICP-MS AND GC-SF-ICP-MS”. 25. ICP-MS Anwendertreffen & 12. Symposium Massenspektrometrische Verfahren der Elementspurenanalyse, Siegen, Deutschland, .
    • Mönnighoff, Xaver; Konersmann, Benedikt; Horsthemke, Fabian; Friesen, Alex; Grützke, Martin; Winter, Martin; Nowak, Sascha : “Post-Mortem SFE of Electrolyte from Commercially Available 18650-type Lithium Ion Batteries and Characterization by GC-MS”. 31th International Symposium on Chromatography, Cork, Irland, .
    • Schultz, Carola; Vedder, Sven; Winter, Martin; Nowak, Sascha : “Identification and Quantificationof Aging Products in Lithium Ion Battery Electrolytes with LC-MS”. 31th International Symposium on Chromatography, Cork, Irland, .
    • Menzel, Jennifer; Kraft, Vadim; Winter, Martin; Nowak, Sascha : “In vitro Study of the Reactions of Alkyl Phosphates from Lithium Ion Battery Electrolyte in Human Whole Blood, using simultaneous 2D/IC/ESI-MS”. 31th International Symposium on Chromatography, Cork, Irland, .
    • Vortmann, Britta; Kraft, Vadim; Lürenbaum, Constantin; Winter, Martin; Nowak, Sascha : “Determination of Lithium and Transitition Metals in Lithium Ion Battery Components by Capillary Electrophoresis and Ion Chromatography”. 31th International Symposium on Chromatography, Cork, Irland, .
    • Nowak, Sascha; Schappacher, Falko; Grützke, Martin; Kraft, Vadim; Weber, Waldemar; Reichert, Mathias; Kilic, Bilge; Winter, Martin; : “Electrolytes: A key component for improved safety and longer life of lithium ion batteries”. International Battery Association (IBA), Nantes, Frankreich, .
    • Cekic-Laskovic, Isidora; Nowak, Sascha; Schappacher, Falko; Winter, Martin : “Electrolytes for Li-Ion Batteries: Limitations, Challenges and Oppurtunities”. 18th International Meeting on Lithium Batteries, Chicago, USA, .
    • Nowak, Sascha : “Short Course - Analysis of Energy storage Materials: Recent Trends and Applications”. 8th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
    • Nowak, Sascha : “SPECIATION OF ORGANOPHOSPHATES AND FLUOROPHOSPHATES IN LITHIUM ION BATTERY ELECTROLYTES”. 8th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
    • Vortmann, Britta; Winter, Martin; Nowak, Sascha : “Investigation of the lithium distribution in lithium-ion battery cells and of the influence of different parameters”. 8. Kraftwerk Batterie, Münster, Deutschland, .
    • Menzel, Jennifer; Winter, Martin; Nowak, Sascha : “Influence of electrolyte additives on the decomposition behaviour of LIPF6 based LIB electrolytes”. 8. Kraftwerk Batterie, Münster, Deutschland, .
    • Nowak, Sascha : „1D und 2D IC-MS Methoden für die Analyse von Lithium Ionen Batterie Elektrolyten“. Anwenderforum Ionenchromatographie, Leverkusen, Deutschland, .
    • Nowak, Sascha : “Recycling von Lithium Ionen Batterien: Stand der Technik und Perspektiven”. 4. Kompetenztreffen Elektromobilität NRW + Ergebniskonferenz Modellregion Rhein-Ruhr, Essen, Deutschland, .
    • Nowak, Sascha; Kraft, Vadim; Pyschik, Marcelina : “Characterization of electrolytes and ionic liquids from lithium ion batteries by coupled ion chromatographic methods”. New Electrochemical Analytical Methods and Trends in Energy Conversion and Storage – NEAMTECS 2015, Herisau, Schweiz, .
    • Haiping, Jia; Vortmann, Britta; Evertz, Marco; Nowak, Sascha; Placke, Tobias; Winter, Martin : “Anodes for Lithium Ion Batteries Revisited: From Graphite to High-Capacity Alloying- and Conversion-Type Materials and Back Again”. 228th ECS Meeting, Phoenix, USA, .
    • Nowak, Sascha; Sergej Rothermel : “New Trends in Recycling of Lithium Ion batteries”. 20th International Congress for Battery Recycling ICBR 2015, Meontreux, Schweiz, .
    • Pyschik, Marcelina; Winter, Martin; Nowak, Sascha : “The comparison of CE and IC methods for thermal stability studies on ionic liquids”. Instrumental Methods of Analysis-Modern Trends and Applications IMA 2015, Kalamata, Griechenland, .
    • Nowak, Sascha : „Analyse von Lithium Ionen Batterie Materialien mittels gekoppelter ICP-MS Techniken“. 17. Agilent Anwendertreffen, Bitburg, Deutschland, .
    • Nowak, Sascha; Grützke, Martin; Mönnighoff, Xaver; Pyschik, Marcelina : „Anwendung der IC im Bereich Recycling von Lithium Ionen Batterien und bei Ionischen Flüssigkeiten“. Kolloquium "IC in der Batterieforschung" at the Metrohm International Headquarters, Herisau, Schweiz, .
    • Schultz, Carola; Cian, Yuxian; Schappacher, Falko; Winter, Martin; Nowak, Sascha : “Investigations of Organic Electrolytes and their VC consumption in Lithium-ion Batteries via HPLC-UV/VIS and HPLC-APCI-MS”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Portugal, .
    • Menzel, Jennifer; Kraft, Vadim; Winter, Martin; Nowak, Sascha : “Simultaneous on-line coupling of IC/ICP-MS and IC/ESI-MS for speciation and quantification of alkyl phosphates in LiPF6 based Lithium Ion Battery electrolytes”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Portugal, .
    • Mönnighoff, Xaver; Murrmann, Patrick; Weber, Waldemar; Winter, Martin; Nowak, Sascha : “Investigations of Fluorinated Flame Retardants for Lithium-Ion Battery Electrolytes by Gas Chromatography - Mass Spectrometry and Ion Chromatography - Electrospray Ionization - Mass Spectrometry”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Portugal, .
    • Hahn, Hendrik; Wagner, Ralf; Schappacher, Falko; Winter, Martin; Nowak, Sascha : “In-situ Swagelok® Differential Electrochemical Mass Spectrometry (ISDEMS): New On-line Analysis Enables Insight into Lithium Ion Batteries During Operation ”. Colloquium Spectroscopicum Internationale XXXIX, Portugal, .
    • Nowak, Sascha; Kraft, Vadim; Weber, Weber; Winter, Martin : “Investigation of Organophosphates in Thermal and Electrochemical Aged Lithium Hexafluorophosphate-Based Lithium Ion Battery Electrolytes”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Coimbra, Portugal, .
    • Pyschik, Marcelina; Winter, Martin; Nowak, Sascha : “Thermal stability studies on ionic liquids by capillary electrophoresis hyphenated to an electrospray ionization mass spectrometer”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Portugal, .
    • Wiemers-Meyer, Simon; Winter, Martin; Nowak, Sascha : “Quantification of Lithium-Ion Battery Electrolyte Degradation Products Including HF by NMR Spectroscopy Using the Solvent as a Heteronuclear Standard”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Figueira da Foz, Portugal, .
    • Schwieters, Timo; Hoffmann, Björn; Winter, Martin; Nowak, Sascha : “Quantitative determination of aging related changes in the elemental distribution in lithium ion battery electrodes”. XXXIX Colloquium Spectroscopicum Internationale, Figueira da Foz, Portugal, .
    • Murmann, Patrick; Niehoff, Philip; Schmitz, René; Nowak, Sascha; Sartori, Peter; Schmitz, Raphael Wilhelm; Winter, Martin : “Investigations on the electrochemical performance and thermal stability of two new lithium electrolyte salts in comparison to LiPF6”. 225. Meeting of the Electrochemical Society, Orlando, Florida, USA, .
    • Engelhard, Carsten; Albert, Anastasia; Kuhlmann, Christopher; Shelly, Jake; Vortmann, Britta; Nowak, Sascha : “Fundamentals and Applications of Plasma-based Ambient Desorption Ionization Mass Spectrometry in Bioanalysis and Lithium-Ion Battery Research”. 48. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, Wuppertal, Deutschland, .
    • Hoffmann, Björn; Winter, Martin; Nowak, Sascha : “Investigation of major and minor components in lithium ion battery electrodes by LA-ICP-MS”. Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, Norwegen, .
    • Grützke, Martin; Weber, Waldemar; Kraft, Vadim; Winter, Martin; Nowak, Sascha : “GAS CHROMATOGRAPHY CHEMICAL IONIZATION MASS SPECTROMETRY AS SUITABLE TOOL FOR THE INVESTIGATION OF AGING PROCESSES IN LITHIUM-ION BATTERIES”. Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, Norwegen, .
    • Nowak, Sascha; Grützke, Martin; Hoffmann, Björn; Kraft, Vadim; Weber, Waldemar; Schultz, Carola; Menzel, Jennifer; Winter, Martin : “Combined efforts of organic and inorganic mass spectrometry methods with different ionization principles for the analysis of a lithium ion battery electrolyte”. Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, Norwegen, .
    • Kraft, Vadim; Weber, Waldemar; Grützke, Martin; Winter, Martin; Nowak, Sascha : “ELECTROSPRAY AND ATMOSPHERIC PRESSURE IONIZATION OF DECOMPOSITION PRODUCTS PRODUCED IN THERMAL DECOMPOSED BATTERY ELECTROLYTES”. Nordic Conference on Plasma: Ionization Principles in Organic and Inorganic Mass Spectrometry, Longyearbyen, Norwegen, .
    • Nowak, Sascha; Hoffmann, Björn; Vortmann, Britta; Menzel, Jennifer; Schwieters, Timo; Winter, Martin : “Analysis of lithium-ion energy storage materials by means of inductively coupled plasma - based methods”. European Winter Conference on Plasma Spectrochemistry, Münster, Deutschland, .
    • Nowak, Sascha : „Elektrolyte: Von der Standardapplikation bis zur Optimierung des Alterungsverhaltens und der Sicherheit“. Seminar zur Batterietechnik, Braunschweig, Deutschland, .
    • Pyschik, Marcelina; Jeremias, Sebastian; Naber, Verena; Passerini, Stefano; Winter, Martin; Nowak, Sascha : “The effects of aging on ionic liquids monitored by IC/ESI-MS”. ISC 2014: 30th International Symposium on Chromatography, Salzburg, Österreich, .
    • Pyschik, Marcelina; Naber, Verena; Passerini, Stefano; Winter, Martin; Nowak, Sascha : “Aging Investigation of various Electrolytes by means of IC/ESI-MS and CE-ESI-MS”. 225th ECS Meeting, Orlando, USA, .
    • Nowak, Sascha; Hoffmann, Björn; Vortmann, Britta; Menzel, Jennifer; Schwieters, Timo; Winter, Martin : “ICP based methods for the analysis of energy storage materials”. 7th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
    • Grützke, Martin; Kraft, Vadim; Hoffmann, Björn; Klamor, Sebastian; Mönnighoff, Xaver; Winter, Martin; Nowak, Sascha : “A Study on the Decomposition of LIB Electrolytes from Different Field-Tested Hybrid Vehicles”. 225th ECS Meeting, Orlando, USA, .
    • Nowak, Sascha : „Fluoridbesstimmung in Lithium Ionen Batteriematerialien mittels HR-CS-AAS“. Praxisseminar HR-CS-AAS, Düsseldorf, Deutschland, .
    • Nowak, Sascha : „Recycling von Lithium Ionen Batterien: Fokus Elektrolyt“. 6. Batterietag, Münster, Deutschland, .
    • Nowak, Sascha; Terborg, Lydia; Winter, Martin : “Characterization of Decomposition Products in Energy Storage Materials by Chromatographic Methods”. XXXVIII Colloquim Spectroscopium Internationale, Tromso, Norwegen, .
    • Grützke, Martin; Kraft, Vadim; Vortmann, Britta; Hoffmann, Björn; Winter, Martin; Nowak, Sascha : “Characterization of the decomposition products of a utilized battery electrolyte from a commercial available hybrid vehicle with purposeful analytical methods”. XXXVIII Colloquium Spectroscopicum Internationale, Tromso, Norwegen, .
    • Hoffmann, Björn; Winter, Martin; Nowak, Sascha : “Direct solid quantitative analysis of battery components using LA-ICP-MS and development of custom made solid standard materials”. XXXVIII Colloquium Spectroscopicum Internationale, Tromso, Norwegen, .
    • Nowak, Sascha : “Analysis of Energy Storage Materials with TXRF”. 1st European Bruker TXRF User Workshop, Berlin, Deutschland, .
    • Klamor, Sebastian; Schappacher, Falko; Rodehorst, Uta; Börner, Markus; Nowak, Sascha; Grützke, Martin; Winter, Martin; Würsig, Andreas; Passerini, Stefano : “Insights of Aging Mechanisms: An Electrochemical Survey of LiMn2O4 vs. Li4Ti5O12 Cells”. 223rd ECS Meeting, Toronto, Kanada, .
    • Grützke, Martin; Mönnighoff, Xaver; Winter, Martin; Nowak, Sascha : “Extraction of Organic Carbonate Based Electrolytes with Supercritical Carbon Dioxide for a High Efficient Recycling of Lithium-Ion Batteries”. 223rd ECS Meeting, Toronto, Kanada, .
    • Shelly, Jake; Kuhlmann, Christopher; Vortmann, Britta; Nowak, Sascha, Engelhard, Carsten : “Tunable Desorption/Ionization with Plasma-based Ambient Mass Spectrometry: Unravelling Mysteries of Lithium-Ion Battery Degradation”. ASMS Conference on Mass Spectrometry, Minneapolis, USA, .
    • Hoffmann, Björn; Winter, Martin, Nowak, Sascha : “Direct solid quantitative analysis of battery components using LA-ICP-MS and development of custom made solid standard materials”. CANAS 2013, Freiberg, Deutschland, .
    • Nowak, Sascha : „Die Lithium-Ionen-Batterie: Herstellung und Charakterisierung“. MEET Akademie: Die Batterie als Schlüsseltechnologie der Zukunft, Münster, Deutschland, .
    • Nowak, Sascha : „Analytik und Alterung von Lithium Ionen Batterien“. AutoclusterNRW: Chance Elektroauto, Münster, Deutschland, .
    • Nowak, Sascha; Terborg, Lydia; Elseberg, Tim; Karst, Uwe; Passerini, Stefano; Winter, Martin : „Identifizierung der Zersetzungsprodukte von Lithiumhexafluorophosphat und Batterie-Elektrolyten unter der Verwendung eines Gradientensystems für die Ionenchromatographie sowie gekoppelter Techniken (IC/ICP-OES, IC/ESI-MS)“. 6. Conference über Ionenanalytik, Berlin, Deutschland, .
    • Lux, Simon; Placke Tobias, Engelhardt Christina; Nowak, Sascha; Rodehorst, Uta; Meyer, Hinrich; Passerini Stefano; Wirth, Klaus; Winter, Martin : “Enhanced performance of silica dry-coated graphite”. 219th ECS Meeting, Montreal, Kanada, .
    • Bieker, Peter; Placke, Tobias; Lux, Simon; Engelhardt, Christina; Nowak, Sascha; Rodehorst, Uta; Meyer, Hinrich; Passerini, Stefano; Wirth, Klaus; Winter, Martin : “Enhanced Electrochemical Performance of Metal Oxide Coatings on Graphite in Combination with Fluorine-Free, Aqueous Processable Binder”. 220th ECS Meeting, Boston, USA, .
    • Nowak, Sascha; Blaske, Franziska; Wehe, Christoph; Karst, Uwe : „Elementanalytik von Silber-Nanopartikeln in Hygiene Produkten mittels ICP-OES und ICP-MS“. CANAS 2011, Leibzig, Deutschland, .
    • Nowak, Sascha : „Öffnung von Zellen und Entnahme von Elektroden und Elektrolyten“. 1. Konferenz zum Thema Recycling von Lithium-Ionen-Batterien, Wolfsburg, Deutschland, .
    • Künnemeyer, Jens; Meermann, Björn; Terborg, Lydia; Nowak, Sascha; Tokmak, Faruk; Karst Uwe : “Speciation Analysis of Gadolinium Contrast Agents”. ANALYTICA 2010, München, Deutschland, .
    • Bornhorst, Julia; Lohren, H; Hüwel, S; Galla, Hans-Joachim; Nowak, Sascha; Karst, Uwe; Schwerdtle, Tanja : „Erste Hinweise zum Mechanismus der Neurotoxizität von Mangan“. Regionalverbandstagung der Lebensmittelchemischen Gesellschaft, Münster, Deutschland, .
    • Künnemeyer, Jens; Terborg, Lydia; Nowak, Sascha; Telgmann, Lena; Tokmak, Faruk; Karst, Uwe : “Miniaturization and Hyphenation in Environmental and Pharmaceutical Analysis – Strategies, Methods and Instrumentation”. ANAKON 2009, Berlin, Deutschland, .
    • Künnemeyer, Jens; Terborg, Lydia; Nowak, Sascha; Tokmak, Faruk; Karst, Uwe : “Speciation Analysis of Gadolinium-based MRI Contrast Agents in Blood Plasma and Urine Samples by HILIC/ESI-MS, HILIC/ICP-MS and CE/ESI-TOF-MS”. 4th International Conference on Trace Element Speciation in Biomedical, Nutritional and Environmental Science, München, Deutschland, .
    • Künnemeyer, Jens; Terborg, Lydia; Nowak, Sascha; Tokmak, Faruk; Karst, Uwe : „CE/ESI-TOF-MS-Bestimmung von Gadolinium-basierten MRT-Kontrastmitteln und klinisch relevanten Transmetallierungs-produkten in Blutproben“. Bruker Daltonics Anwendertreffen, Bad Schwalbach, Deutschland, .
    • Nowak, Sascha : „Stand und Perspektiven der Paladiumanalytik“. Institutskolloquim Umweltprobenbank des Bundes - Teilbank Humanproben und Datenbank, Münster, Deutschland, .
    • Scheffer, Andy; Engelhard, Carsten; Nowak, Sascha; Brandt Rudolf; Jakubowski, Norbert, Buscher, Wolfgang : “Designing a low argon consumption Torch for Inductively Coupled Plasma Spectrometry – From the Idea towards Real World Usability”. 3rd Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .