Lithium difluoro(oxalato)borate as a functional additive for lithium-ion batteries

被引：90

作者：

Chemical Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, United States ^{[1
]}

机构：

[1] Chemical Engineering Division, Argonne National Laboratory, Argonne, IL 60439

来源：

Electrochem. Commun. | 2007年 / 3卷 / 475-479期

关键词：

Electrolyte additive; Lithium difluoro(oxalato)borate; Solid electrolyte interphase;

D O I：

10.1016/j.elecom.2006.10.022

中图分类号：

学科分类号：

摘要：

Lithium difluoro(oxalato)borate was investigated as a functional additive for non-aqueous electrolytes for lithium-ion batteries. It was found that the addition of small amount of lithium difluoro(oxalato)borate to the LiFP6-based electrolyte can significantly improve both the capacity retention and the power retention of lithium-ion cells. Unlike other additives, lithium difluoro(oxalato)borate only slightly increased the interfacial impedance of the cells, resulting in good initial power capability. Therefore, lithium difluoro(oxalato)borate is a promising additive for high-performance lithium-ion batteries for power applications, such as hybrid electrical vehicles. © 2006 Elsevier B.V.

引用

页码：475 / 479

页数：4

共 14 条

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