Optimizing the carbon coating on LiFePO4 for improved battery performance

Zi-Xiang Chi; Wei Zhang; Fu-Quan Cheng; Ji-Tao Chen; An-Min Cao; Li-Jun Wan

doi:10.1039/C3RA47702A

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Optimizing the carbon coating on LiFePO₄ for improved battery performance†

Zi-Xiang Chi,^a Wei Zhang,^a Fu-Quan Cheng,^b Ji-Tao Chen,^b An-Min Cao*^a and Li-Jun Wan*^a

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* Corresponding authors

^a Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
E-mail: anmin_cao@iccas.ac.cn, wanlijun@iccas.ac.cn

^b College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China

Abstract

Core–shell structures as LiFePO₄@carbon with a continuous and uniform carbon coating were achieved by means of the in situ polymerization of dopamine. Systematic control of the coating layer identified that a 5 nm carbon coating produces the best battery performance. Our results provide conclusive evidence for an optimal carbon coating for polyanion-type cathode materials.

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Article information

DOI: https://doi.org/10.1039/C3RA47702A
Article type: Communication
Submitted: 17 Dec 2013
Accepted: 10 Jan 2014
First published: 10 Jan 2014

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RSC Adv., 2014,4, 7795-7798

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Optimizing the carbon coating on LiFePO₄ for improved battery performance

Z. Chi, W. Zhang, F. Cheng, J. Chen, A. Cao and L. Wan, RSC Adv., 2014, 4, 7795 DOI: 10.1039/C3RA47702A

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