A surface chemistry-regulated gradient multi-component solid electrolyte interphase for a 460 W h kg<sup>−1</sup> lithium metal pouch cell
Man Pang, Zhongwei Jiang, Chongyang Luo, Ziqing Yao, Tianji Fu, Tao Pan, Qingpeng Guo, Yujie Li, Shizhao Xiong, Chunman Zheng, Weiwei Sun, Guangmin Zhou, Shuangke Liu
Abstract
We present a simple and scalable surface chemical approach of spraying a dilute DFFSA solution on the Li surface to eliminate the native passivation layer and form a multi-component SEI, enabling stable cycling of a 460 W h kg −1 Li metal pouch cell.
Topics & Concepts
PassivationLithium (medication)ElectrolyteLithium metalMetalInterphaseLayer (electronics)Materials scienceSurface layerChemistryChemical engineeringInorganic chemistryAnalytical Chemistry (journal)NanotechnologyElectrodePhysical chemistryMetallurgyChromatographyMedicineBiologyEndocrinologyGeneticsEngineeringAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research