The solvent N-methyl-2-pyrrolidone (NMP) is currently required to produce positive electrodes (cathodes) for lithium ion batteries. With the aim of replacing NMP as a solvent without compromising the performance of the battery cells, a team from MEET Battery Research Center has compared potential alternatives for cathode production. Read more
In a joint study, MEET Battery Research Center and the Institute of Physical Chemistry at the University of Münster as well as Helmholtz Institute Münster have examined silicon/graphite composite anodes in detail. The team discovered that the material stress of silicon cannot yet be minimized in long term – even if the material is only added to the graphite anode in small amounts. Read more
The potential of solid-state batteries is enormous. However, they can only reach technological and market readiness if all mechanisms inside the cells are precisely understood. A team from MEET Battery Research Center and the American Lawrence Berkeley National Laboratory has investigated the reaction mechanisms at the interphases between the solid electrolyte and the electrode in detail. Read more
One of the main origins of capacity fade in high-energy lithium-ion batteries (LIB) is 'electrode crosstalk'. Lithium salts, which are the main component of the electrolyte, can improve capacity retention of the battery cells. In a recent study, a team from MEET Battery Research Center and from Helmholtz Institute Münster has investigated the mechanistical influence of various lithium salts on the degradation behavior of high-energy LIB. Read more