Enhancement of the high-voltage electrochemical performance of an LiNi0.5Co0.2Mn0.3O2 cathode via WO3 coating

Yulin He,Ying Li,Yaochun Liu,Nianchun Yao,Jiamei Li,Yang Liu

Applied Surface Science（2020）

引用 18|浏览13

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摘要

•Nano-WO3 is coated on LiNi0.5 Co0.2Mn0.3O2.•The WO3-coated sample shows narrow gap between the redox potentials.•0.6 wt% WO3-coating much improves the rate capability and cycling stability at high- voltage electrochemical performance.•Excessive coating of WO3 degrades the cell performances of LiNi0.5 Co0.2Mn0.3O2.

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关键词

LiNi0.5Co0.2Mn0.3O2,Cycling stability,WO3 surface modified,High cut-off voltage

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