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Prelithiation strategies for silicon-based anode in high energy density lithium-ion battery

查看全文 作　　者：Tianqi [1,2]Jia;Geng [1,2]Zhong;Yao [3]Lv;Nanrui [1,2]Li;Yanru [1,2]Liu;Xiaoliang [4]Yu;Jinshuo [5]Zou;Zhen [1]Chen;Lele [1]Peng;Feiyu [1,2]Kang;Yidan [1,2]Cao 高影响力作者 机构地区：[1]Shenzhen Geim Graphene Center,Institute of Materials Research,Shenzhen International Graduate School,Tsinghua University,Shenzhen,518055,China;[2]Tsinghua-Berkeley Shenzhen Institute,Tsinghua University,Shenzhen,518055,China;[3]College of Sciences and Institute for Sustainable Energy,Shanghai University,Shanhai,200000,China;[4]Department of Mechanical Engineering,The Hong Kong Polytechnic University,Hong Kong,999077,China;[5]School of Chemical Engineering&Advanced Materials,The University of Adelaide,Adelaide,SA 5005,Australia高影响力机构 出　　处：《Green Energy & Environment》索引2023年第8卷第5期,共16页高影响力期刊 基　　金：This work was supported by Guangdong Basic and Applied Basic Research Foundation(2019A1515110530,2022A1515010486);Shenzhen Science and Technology Program(JCYJ20210324140804013);Tsinghua Shenzhen International Graduate School(QD2021005N,JC2021007). 摘　　要：Green energy storage devices play vital roles in reducing fossil fuel emissions and achieving carbon neutrality by 2050.Growing markets for portable electronics and electric vehicles create tremendous demand for advanced lithium-ion batteries(LIBs)with high power and energy density,and novel electrode material with high capacity and energy density is one of the keys to next-generation LIBs.Silicon-based materials,with high specific capacity,abundant natural resources,high-level safety and environmental friendliness,are quite promising alternative anode materials.However,significant volume expansion and redundant side reactions with electrolytes lead to active lithium loss and decreased coulombic efficiency(CE)of silicon-based material,which hinders the commercial application of silicon-based anode.Prelithiation,preembedding extra lithium ions in the electrodes,is a promising approach to replenish the lithium loss during cycling.Recent progress on prelithiation strategies for silicon-based anode,including electrochemical method,chemical method,direct contact method,and active material method,and their practical potentials are reviewed and prospected here.The development of advanced Si-based material and prelithiation technologies is expected to provide promising approaches for the large-scale application of silicon-based materials. 关 键 词：Si-based materials Prelithiation Coulombic efficiency Lithium loss Lithium-ion battery
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