Using a lithium difluoro(sulfato)borate additive to improve electrochemical performance of electrolyte based on lithium bis(oxalate)borate for LiNi 0.5 Mn 1.5 O 4 /Li cells

Shiyou Li,Lingxia Li,Jinliang Liu,Jie Jing,Xiaopeng Li,Xiaoling Cui

Electrochimica Acta（2015）

引用 28|浏览3

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摘要

•A novel salt of LiBSO4F2 is used as an functional electrolyte additive.•Electrolyte with LiBSO4F2 has high stability against oxidation decomposition (∼5.6V).•LiBSO4F2 additive could decrease the interfacial impedance of LiNi0.5Mn1.5O4/Li cells.•LiBSO4F2 additive could improve electrochemical performance of LiNi0.5Mn1.5O4/Li cells.

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关键词

Lithium-ion batteries,Lithium difluoro(sulfato)borate (LiBSO4F2),Lithium bis(oxalato)borat (LiBOB),LiNi0.5Mn1.5O4,Solid electrolyte interface (SEI)

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