Coke coating of natural graphite for Li-ion batteries

被引：1
作者：
Li, Jianjun [1 ]
He, Xiangming [1 ]
Jiang, Changyin [1 ]
Wan, Chunrong [1 ]
机构：
[1] Tsing Hua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
来源：
JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS | 2006年 / 9卷 / 01期
关键词：
Li-ion batteries; natural graphite; carbon-coated; surface rnodification; Span; 80;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A simple process was proposed to improve performance of natural graphite (NG) by coke coating as negative material for Li-ion batteries. The coating was conducted by heat-treatment of mixture of natural graphite and Span80 (sorbitan monooleate) at 700 degrees C under protection of argon, and decreased the surface area, leading to significant decrease of the initial irreversible capacity,. The coated NG exhibits much better electrochemical performance than that of untreated one.
引用
收藏
页码：21 / 25
页数：5
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