磷酸铁锂表面碳包覆研究进展

张宁; 刘永畅; 陈程成; 朱智强; 陶占良; 陈军

doi:10.13208/j.electrochem.141056

电化学 >

2015 , Vol. 21 >Issue 3: 201 - 210

DOI: https://doi.org/10.13208/j.electrochem.141056

化学电源及其材料近期研究专辑（客座编辑：复旦大学夏永姚教授）

磷酸铁锂表面碳包覆研究进展

张宁 ,
刘永畅 ,
陈程成 ,
朱智强 ,
陶占良 ,
陈军

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南开大学化学学院，先进能源材料化学教育部重点实验室，天津化学化工协同创新中心，天津 300071

收稿日期: 2014-12-26

修回日期: 2015-04-02

网络出版日期: 2015-06-28

基金资助

国家科技部973计划（No. 2011CB935900），国家自然科学基金项目（No. 21231005）资助和中央高校基本科研业务费资助

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Research Progress in Carbon Coating on LiFePO₄ Cathode Materials for Lithium Ion Batteries

ZHANG Ning ,
LIU Yong-Chang ,
CHEN Cheng-Cheng ,
ZHU Zhi-Qiang ,
TAO Zhan-Liang ,
CHEN Jun

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Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, China

Received date: 2014-12-26

Revised date: 2015-04-02

Online published: 2015-06-28

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摘要

橄榄石结构的LiFePO₄具有电压平台平稳、价格低廉、原料丰富和环境友好等优点，得到了人们的广泛关注. 然而，纯LiFePO₄的离子和电子导电性较差，其大范围应用受限. 研究表明，对LiFePO₄表面进行碳包覆可以有效提升其电化学性能. 结合国内外研究现状，本文综述了不同的碳包覆方法、碳源种类对LiFePO₄电化学性能的影响，以及碳包覆提升LiFePO₄正极材料电化学性能的作用机制.

关键词： LiFePO₄; 碳包覆; 正极材料; 锂离子电池

本文引用格式

张宁 , 刘永畅 , 陈程成 , 朱智强 , 陶占良 , 陈军 . 磷酸铁锂表面碳包覆研究进展[J]. 电化学, 2015 , 21(3) : 201 -210 . DOI: 10.13208/j.electrochem.141056

Abstract

Olivine-structured LiFePO₄has been received much attention because of its flat voltage profile, low cost, abundant material supply and better environmental compatibility. However, the poor electronic and ionic conductivities have limited its application in industry. One of the best methods to improve the electrochemical performance is carbon coating. In this review, we summarize the recent developments of LiFePO₄/C cathode. Moreover, the different effects caused by coating methods and carbon sources, as well as the mechanism of carbon coating on the properties of LiFePO₄/C are reviewed.

Key words： LiFePO₄; carbon coating; cathode; lithium ion batteries

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