Issue 38, 2011
From the journal:

Journal of Materials Chemistry

Influence of LiFePO4/C interface on electrochemical properties

Fangfang Pan,a   Wen-lou Wang,*a   Dongming Chena  and  Wensheng Yanb  

* Corresponding authors

a Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui, P. R. China
E-mail: wlwang@ustc.edu.cn
Fax: +86 551 3601592
Tel: +86 551 3606143

b National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, P. R. China

Abstract

LiFePO4/C particles with different LiFePO4–C interface were prepared and investigated with emphasis on the interface property which has been found to be important for the power performance of LiFePO4. Soft-X-ray-absorption (XAS) spectra collected at O and C K-edge show a distinct bonding character between carbon and LiFePO4 in carbon coated LiFePO4/C. Galvanostatic change-discharge at different rates and electrochemical impedance tests demonstrate that the interface action between LiFePO4 and carbon within LiFePO4/C composites has a crucial effect on its electrochemical performance.

Graphical abstract: Influence of LiFePO4/C interface on electrochemical properties

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Article information

DOI
https://doi.org/10.1039/C1JM11551K
Article type
Paper
Submitted
12 Apr 2011
Accepted
13 Jul 2011
First published
17 Aug 2011

J. Mater. Chem., 2011,21, 14680-14684

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Influence of LiFePO4/C interface on electrochemical properties

F. Pan, W. Wang, D. Chen and W. Yan, J. Mater. Chem., 2011, 21, 14680 DOI: 10.1039/C1JM11551K

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