In situ formation of lithiophilic Li22Sn5 alloy and high Li-ion conductive Li2S/Li2Se via metal chalcogenide SnSSe for dendrite-free Li metal anodes

Yaya Wang,Yang Guo,Jiang Zhong,Meng Wang,Lei Wang,Shengyang Li,Song Chen,Hongli Deng,Yong Liu, Yidi Wu,Jian Zhu,Bingan Lu

Journal of Energy Chemistry（2022）

引用 18|浏览8

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摘要

The Li22Sn5 alloy provides abundant lithiophilic sites to enhance adsorption ability with lithium and Li2S/Li2Se ensures lower Li diffusion energy barrier for quick Li+ transfer, leading to uniform Li nucleation and deposition.

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关键词

Lithiophilic Li22Sn5 alloy,High Li-ion conductive Li2S/Li2Se,Low nucleation barrier,High Coulombic efficiency,Dendrite-free Li

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