The influence of formation temperature on the solid electrolyte interphase of graphite in lithium ion batteries

查看全文 作　　者：Chong [1,2]Yan;Yu-Xing [3]Yao;Wen-Long [3]Cai;Lei [1,2]Xu;Stefan [4]Kaskel;Ho Seok [5]Park;Jia-Qi [1,2]Huang

机构地区：[1]School of Materials Science and Engineering,Beijing Institute of Technology,Beijing 100081,China;[2]Advanced Research Institute of Multidisciplinary Science,Beijing Institute of Technology,Beijing 100081,China;[3]Department of Chemical Engineering,Tsinghua University,Beijing 100084,China;[4]Technische Universitat,Dresden,Bergstrasse 66,01062 Dresden,Germany;[5]School of Chemical Engineering,Sungkyunkwan University(SKKU),Jangan-gu 440-746,Suwon,Republic of Korea

出　　处：《Journal of Energy Chemistry》索引2020年第29卷第10期,共4页

基　　金：supported by National Key Research and Development Program(2016YFA0202500);the National Natural Science Foundation of China(21776019);Beijing Natural Science Foundation(L182021)。 摘　　要：Lithium-ion battery has greatly changed our lifestyle and the solid electrolyte interphase(SEI)covered on the graphite anode determines the service life of a battery.The formation method and the formation temperature at initial cycle of a battery determine the feature of the SEI.Herein,we investigate the gap of formation behavior in both a half cell(graphite matches with lithium anode)and a full cell(graphite matches with NCM,short for LiNixCoyMn1-x-yO2)at different temperatures.We conclude that high temperature causes severe side reactions and low temperature will result in low ionic conductive SEI layer,the interface formed at room temperature owns the best ionic conductivity and stability. 关键词：Graphite anode Fast charging Solid electrolyte interphase(SEI) Full battery Formation temperature

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The influence of formation temperature on the solid electrolyte interphase of graphite in lithium ion batteries

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