Cu Doping LiFePO_4 and its Electrochemical Performance

Authors

Ming-sen ZHENG, State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;
Shan-ke LIU, State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;
Shi-gang SUN, State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;
Quan-feng DONG, State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;

Abstract

LiFePO4 and LiFePO4 doped with Cu2+ ions were synthesized by solid-state reactions.The structure of LiFePO4 and the Fe valence were analyzed by the XRD(X-ray diffraction) and XPS(X-ray photoelectron spectroscopy) respectively.The Cu doping position in LiFePO4 is discussed.It has found that the volume of LiFePO4 by doping Cu2+ ions is reduced.The minim Cu2+ ions doping does not almost change the binding energy of Fe2p1/2 in LiFePO4.According to the experiment results,we conclude that most of the Cu2+ ions substitute the Fe2+ ions in LiFePO4 when a small amount of Cu2+ ions doping is occurred.

Keywords

LiFePO4, Cu, lithium ion battery

DOI Link

https://doi.org/10.61558/2993-074X.1852

Publication Date

2008-02-28

Online Available Date

2008-02-28

Revised Date

2008-02-28

Received Date

2008-02-28

Recommended Citation

Ming-sen ZHENG, Shan-ke LIU, Shi-gang SUN, Quan-feng DONG. Cu Doping LiFePO_4 and its Electrochemical Performance[J]. Journal of Electrochemistry, 2008 , 14(1): 1-5.
DOI: 10.61558/2993-074X.1852
Available at: https://jelectrochem.xmu.edu.cn/journal/vol14/iss1/1