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Synthesis and electrochemical properties of LiV3O8/PAn composite as a cathode material for lithium secondary batteries

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Abstract

A LiV3O8/polyaniline (PAn) composite was prepared by the in-situ polymerization method assisted by sodium dodecyl sulfate and ammonium persulfate. The as-prepared powders were investigated by XRD, SEM, and galvanostatic discharge/charge analysis. It was found that the introduction of PAn to LiV3O8 can effectively buffer the mechanical stress and restrain the number of phase changes of composite material during the electrochemical cycling. Compared with pristine LiV3O8, LiV3O8/PAn composite maintains a reversible capacity of 212.1 mAh g−1 at the current density of 30 mA g−1 after 50 cycles, approximately 22.6%, much higher than the former.

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, 450001, People’s Republic of China

    Ling-Ling Xie, Xiao-Yu Cao, Li-Xu Zhang & Ling-Bo Qu

  2. Zhengzhou (China-Italy Cooperation) Key Laboratory of Clean Energy, Henan University of Technology, Zhengzhou, 450001, People’s Republic of China

    Ling-Ling Xie, Xiao-Yu Cao, Li-Xu Zhang & Ling-Bo Qu

  3. College of Chemistry and Life Science, China Three Gorges University, Yichang, 443002, People’s Republic of China

    Ling-Ling Xie & Zhong-Xu Dai

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  1. Ling-Ling Xie
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  2. Xiao-Yu Cao
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  3. Li-Xu Zhang
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  4. Zhong-Xu Dai
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  5. Ling-Bo Qu
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Correspondence to Xiao-Yu Cao or Zhong-Xu Dai.

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Xie, LL., Cao, XY., Zhang, LX. et al. Synthesis and electrochemical properties of LiV3O8/PAn composite as a cathode material for lithium secondary batteries. Electron. Mater. Lett. 9, 183–186 (2013). https://doi.org/10.1007/s13391-012-2139-2

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  • DOI: https://doi.org/10.1007/s13391-012-2139-2

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