Electrochemical Characteristics of Carbon-coated LiFePO4 as a Cathode Material for Lithium Ion Secondary Batteries

被引：0

作者：

Shin, Ho Chul ^{[1
]}

Lee, Byung Jo ^{[1
]}

Il Cho, Won ^{[1
]}

Cho, Byung Won ^{[1
]}

Jang, Ho ^{[2
]}

机构：

[1] Korea Inst Sci & Technol, Battery Res Ctr, 39-1 Hawolgok Dong, Seoul 136791, South Korea

[2] Korea Univ, Coll Engn, Dept Adv Mat Engn, Seoul 136713, South Korea

来源：

JOURNAL OF THE KOREAN ELECTROCHEMICAL SOCIETY | 2005年 / 8卷 / 04期

关键词：

Lithium iron phosphate; Carbon coating; Lithium ion batteries; Mechanochemical activation; X-ray diffraction;

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：

The electrochemical properties of LiFePO4 as a cathode for Li-ion batteries were improved by incorporating conductive carbon into the LiFePO4. X-ray diffraction analysis and SEM observations revealed that the carbon coated LiFePO4 consisted of fine single crystalline particles, which were smaller than the bare LiFePO4. The electrochemical performance of the carbon-coated LiFePO4 was tested under various conditions. The carbon-coated LiFePO4 showed much better performance in terms of the discharge capacity and cycling stability than the bare LiFePO4. The improved electrochemical performances were found to be attributed to the reduced particle size and enhanced electrical conductivity of the LiFePO4 by the carbon.

引用

页码：168 / 171

页数：4

共 19 条

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