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Control of nanoparticle dispersion, SEI composition, and electrode morphology enables long cycle life in high silicon content nanoparticle-based composite anodes for lithium-ion batteries

2023; Royal Society of Chemistry; Volume: 11; Issue: 10 Linguagem: Inglês

10.1039/d2ta08935a

2050-7488

Maxwell C. Schulze, Fernando Urias, Nikita S. Dutta, Zoey Huey, Jaclyn Coyle, Glenn Teeter, Ryan Doeren, Bertrand J. Tremolet de Villers, Sang‐Don Han, Nathan R. Neale, Gerard M. Carroll,

Advanced Battery Technologies Research

A 74 wt% silicon composite electrode delivers 1000 cycles with 74% capacity retention against NMC811 cathodes and a cell stack energy density of 212 W h kg −1 in a standard carbonate electrolyte with two simple chemical and process improvements.