Chemical overcharge and overdischarge protection for lithium-ion batteries

被引：148

作者：

Chen, J ^{[1
]}

Buhrmester, C ^{[1
]}

Dahn, JR ^{[1
]}

机构：

[1] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 3J5, Canada

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2005年 / 8卷 / 01期

关键词：

D O I：

10.1149/1.1836119

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Rechargeable lithium-ion batteries suitable for the mass consumer market require robust safety and tolerance to repeated overdischarge and overcharge to avoid costly charge control circuitry and to allow simple replacement of individual cells by consumers. A chemical redox shuttle additive to the electrolyte is shown to provide this protection. The molecule, 2,5 ditertbutyl-1,4-dimethoxybenzene, provides overcharge and overdischarge protection for hundreds of charge-discharge cycles in both single cells and series-connected batteries. (C) 2004 The Electrochemical Society.

引用

页码：A59 / A62

页数：4

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