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
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
Abstract
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.
Topics & Concepts
AnodeMaterials scienceElectrodeNanoparticleSiliconLithium (medication)ElectrolyteComposite numberChemical engineeringCathodeDispersion (optics)Stack (abstract data type)NanotechnologyComposite materialOptoelectronicsChemistryComputer sciencePhysicsProgramming languageOpticsPhysical chemistryMedicineEndocrinologyEngineeringAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research