Effect of Li2CO3-coating on the performance of natural graphite in Li-ion battery

被引：65
作者：
Zhang, SS [1 ]
Xu, K [1 ]
Jow, TR [1 ]
机构：
[1] USA, Res Lab, Adelphi, MD 20783 USA
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2003年 / 5卷 / 12期
关键词：
graphite; Li2CO3; surface modification; storage performance; Li-ion battery;
D O I：
10.1016/j.elecom.2003.09.014
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The effect of Li2CO3-coating on the performance of natural graphite in a Li-ion battery was studied. It is shown that Li2CO3-coating can effectively increase reversibility of the initial forming cycle of Li/graphite half-cell. More interestingly, the Li2CO3-coating significantly suppresses self-delithiation of the lithiated graphite, which enhances storage performance of the Li-ion battery. The Li2CO3-coated graphite also shows higher capacity retention after long-term cycling. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：979 / 982
页数：4
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