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Manipulating surface reactions in lithium–sulphur batteries using hybrid anode structures

Author

Listed:
  • Cheng Huang

    (Pacific Northwest National Laboratory)

  • Jie Xiao

    (Pacific Northwest National Laboratory)

  • Yuyan Shao

    (Pacific Northwest National Laboratory)

  • Jianming Zheng

    (Pacific Northwest National Laboratory)

  • Wendy D. Bennett

    (Pacific Northwest National Laboratory)

  • Dongping Lu

    (Pacific Northwest National Laboratory)

  • Laxmikant V. Saraf

    (Pacific Northwest National Laboratory)

  • Mark Engelhard

    (Pacific Northwest National Laboratory)

  • Liwen Ji

    (Pacific Northwest National Laboratory)

  • Jiguang Zhang

    (Pacific Northwest National Laboratory)

  • Xiaolin Li

    (Pacific Northwest National Laboratory)

  • Gordon L. Graff

    (Pacific Northwest National Laboratory)

  • Jun Liu

    (Pacific Northwest National Laboratory)

Abstract

Lithium–sulphur batteries have high theoretical energy density and potentially low cost, but significant challenges such as severe capacity degradation prevent its widespread adoption. Here we report a new design of lithium–sulphur battery using electrically connected graphite and lithium metal as a hybrid anode to control undesirable surface reactions on lithium. Lithiated graphite placed in front of the lithium metal functions as an artificial, self-regulated solid electrolyte interface layer to actively control the electrochemical reactions and minimize the deleterious side reactions, leading to significant performance improvements. Lithium–sulphur cells incorporating this hybrid anodes deliver capacities of >800 mAh g−1 for 400 cycles at a high rate of 1,737 mA g−1, with only 11% capacity fade and a Coulombic efficiency >99%. This simple hybrid concept may also provide scientific strategies for protecting metal anodes in other energy-storage devices.

Suggested Citation

  • Cheng Huang & Jie Xiao & Yuyan Shao & Jianming Zheng & Wendy D. Bennett & Dongping Lu & Laxmikant V. Saraf & Mark Engelhard & Liwen Ji & Jiguang Zhang & Xiaolin Li & Gordon L. Graff & Jun Liu, 2014. "Manipulating surface reactions in lithium–sulphur batteries using hybrid anode structures," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4015
    DOI: 10.1038/ncomms4015
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    Cited by:

    1. Abdollahifar, M. & Molaiyan, P. & Lassi, U. & Wu, N.L. & Kwade, A., 2022. "Multifunctional behaviour of graphite in lithium–sulfur batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 169(C).

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