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Fe3O4/C的制备与电化学性能研究

蔡俊杰 姚姝 李泽胜 孟辉 沈培康

电化学2013,Vol.19Issue(1):89-92,4.
电化学2013,Vol.19Issue(1):89-92,4.

Fe3O4/C的制备与电化学性能研究

Electrochemical Performance of Fe3O4/C Composites as Negative Material for Lithium-Ion Batteries

蔡俊杰 1姚姝 1李泽胜 1孟辉 1沈培康1

作者信息

  • 1. 中山大学光电材料与技术国家重点实验室,广东省低碳化学与过程节能重点实验室,物理科学与工程技术学院,广东广州510275
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摘要

Abstract

The Fe3O4/Carbon composites have been synthesized through coprecipitation pathway and by insitu aniline polymerization as a carbon source. Structural characterization and morphological study of the composites were investigated by using XRD, SEM and TEM techniques. The results showed that the nanosized Fe3O4 particles(40 - 80 nm) were encapsulated in the amorphous carbon. During the electrochemical tests, the Fe3O4/C composites exhibited high capaticity and excellent cycle ability, the retention of capaticity was about 1000 mAh-g-1 after 30 cycles of charge/discharge tests at 50 mA·g"1.

关键词

Fe3O4/负极材料/锂离子电池/无定形碳

Key words

Fe3O4/ negative materials/ Li-ion batteries/ amorphous carbon

分类

化学化工

引用本文复制引用

蔡俊杰,姚姝,李泽胜,孟辉,沈培康..Fe3O4/C的制备与电化学性能研究[J].电化学,2013,19(1):89-92,4.

基金项目

国家自然科学基金(No.21073241,No.U1034003)资助 (No.21073241,No.U1034003)

电化学

OA北大核心CSCDCSTPCD

1006-3471

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