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Carbon-coated MoS1.5Te0.5 nanocables for efficient sodium-ion storage in non-aqueous dual-ion batteries

Author

Listed:
  • Yangjie Liu

    (Fuzhou University
    Chinese Academy of Sciences)

  • Xiang Hu

    (Fuzhou University
    Chinese Academy of Sciences)

  • Junwei Li

    (Chinese Academy of Sciences)

  • Guobao Zhong

    (Fuzhou University
    Chinese Academy of Sciences)

  • Jun Yuan

    (Fuzhou University
    Chinese Academy of Sciences)

  • Hongbing Zhan

    (Fuzhou University)

  • Yongbing Tang

    (Chinese Academy of Sciences)

  • Zhenhai Wen

    (Chinese Academy of Sciences)

Abstract

Sodium-based dual-ion batteries have received increased attention owing to their appealing cell voltage (i.e., >3 V) and cost-effective features. However, the development of high-performance anode materials is one of the key elements for exploiting this electrochemical energy storage system at practical levels. Here, we report a source-template synthetic strategy for fabricating a variety of nanowire-in-nanotube MSxTey@C (M = Mo, W, Re) structures with an in situ-grown carbon film coating, termed as nanocables. Among the various materials prepared, the MoS1.5Te0.5@C nanocables are investigated as negative electrode active material in combination with expanded graphite at the positive electrode and NaPF6-based non-aqueous electrolyte solutions for dual-ion storage in coin cell configuration. As a result, the dual-ion lab-scale cells demonstrate a prolonged cycling lifespan with 97% capacity retention over 1500 cycles and a reversible capacity of about 101 mAh g−1 at specific capacities (based on the mass of the anode) of 1.0 A g−1 and 5.0 A g−1, respectively.

Suggested Citation

  • Yangjie Liu & Xiang Hu & Junwei Li & Guobao Zhong & Jun Yuan & Hongbing Zhan & Yongbing Tang & Zhenhai Wen, 2022. "Carbon-coated MoS1.5Te0.5 nanocables for efficient sodium-ion storage in non-aqueous dual-ion batteries," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28176-0
    DOI: 10.1038/s41467-022-28176-0
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