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Preparation and electrochemical properties of Li0.97Er0.01FePO4/C composite for lithium-ion batteries

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Abstract

Li0.97Er0.01FePO4/C composite was prepared by solid-state reaction, using particle modification with amorphous carbon from the decomposition of glucose and lattice doping with supervalent cation Er3+. All samples were characterized by X-ray diffraction, scanning electron microscopy, multi-point Brunauer Emmett and Teller methodes. The electrochemical tests show Li0.97Er0.01FePO4/C composite obtains the highest discharge specific capacity of 154 mAh g−1 at C/10 rate and the best rate capability. Its specific capacity reaches 131 mAh g−1 at 2C rate. Its capacity loss is only 14.9 % when the rate varies from C/10 to 2C.

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Authors and Affiliations

  1. College of Metallurgy Engineering, Hunan University of Technology, Zhuzhou, 412000, China

    H. Chen, K. X. Xiang, W. Q. Gong & J. H. Liu

Authors
  1. H. Chen
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  2. K. X. Xiang
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  3. W. Q. Gong
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  4. J. H. Liu
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Correspondence to H. Chen.

Additional information

Published in Russian in Elektrokhimiya, 2011, Vol. 47, No. 2, pp. 230–234.

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Chen, H., Xiang, K.X., Gong, W.Q. et al. Preparation and electrochemical properties of Li0.97Er0.01FePO4/C composite for lithium-ion batteries. Russ J Electrochem 47, 217–220 (2011). https://doi.org/10.1134/S1023193511020042

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  • DOI: https://doi.org/10.1134/S1023193511020042

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