Mixed Salts of LiFSI and LiODFB for Stable LiCoO2-Based Batteries
Mixed Salts of LiFSI and LiODFB for Stable LiCoO2-Based Batteries
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用于稳定 LiCoO2 电池的 LiFSI 和 LiODFB 混合盐
DOI:
10.1149/2.1241613jes
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发表时间:
2016
影响因子:
3.9
通讯作者:
Bin Bai
中科院分区:
文献类型:
--
作者:
Shangguan Xuehui;Jia Guofeng;Li Faqiang;Wang Qinglei;Bin Bai
Mixed salts of lithium bis (fluorosulfonyl) imide Li [N (SO 2 F) 2](LiFSI) and Lithium difluoro (oxalato) borate (LiODFB) were used to improve excellent long-term cycling stability of Lithium cobaltate (LiCoO 2)-based batteries and substituted the Lithium hexafluorophosphate (LiPF 6) salt in non-aqueous electrolytes. SEM and CV demonstrated that adding LiODFB into LiFSI-based electrolytes could restrain aluminum corrosion caused by LiFSI-based electrolytes. Compared to LiCoO 2-based batteries using LiPF 6-based electrolytes, the cycling stability and rate capability of LiCoO 2-based batteries using LiFSI 0.7-LiODFB 0.3-based electrolytes were excellent.
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