Functions of polymers in composite electrodes of lithium ion batteries
- 26 March 2010
- journal article
- Published by Cellule MathDoc/Centre Mersenne in Comptes Rendus. Chimie
- Vol. 13 (11), 1341-1350
- https://doi.org/10.1016/j.crci.2010.01.018
Abstract
International audienceThe different functions of polymer binders on the processing of the electrode, the electrical (electronic and ionic) and mechanical properties of the electrode, and as a consequence on the electrochemical performance are discussed. The role of the polymer binder on the solid-electrolyte interface (SEI) layer and the cyclability of the graphite- and silicon-based negative electrodes is also addressed. All these properties critically depend on the very thin layer formed by the polymer at the surface of the active and conductive particles. That is where research efforts have to focus on, now, for further optimization of electrodes through tailoring of the binder combinationKeywords
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