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Directing lateral growth of lithium dendrites in micro-compartmented anode arrays for safe lithium metal batteries

Author

Listed:
  • Peichao Zou

    (Tsinghua University)

  • Yang Wang

    (Tsinghua University)

  • Sum-Wai Chiang

    (Tsinghua University)

  • Xuanyu Wang

    (Tsinghua University)

  • Feiyu Kang

    (Tsinghua University
    Tsinghua University)

  • Cheng Yang

    (Tsinghua University)

Abstract

Uncontrolled growth of lithium dendrites during cycling has remained a challenging issue for lithium metal batteries. Thus far, various approaches have been proposed to delay or suppress dendrite growth, yet little attention has been paid to the solutions that can make batteries keep working when lithium dendrites are already extensively present. Here we develop an industry-adoptable technology to laterally direct the growth of lithium dendrites, where all dendrites are retained inside the compartmented copper current collector in a given limited cycling capacity. This featured electrode layout renders superior cycling stability (e.g., smoothly running for over 150 cycles at 0.5 mA cm−2). Numerical simulations indicate that reduced dendritic stress and damage to the separator are achieved when the battery is abusively running over the ceiling capacity to generate protrusions. This study may contribute to a deeper comprehension of metal dendrites and provide a significant step towards ultimate safe batteries.

Suggested Citation

  • Peichao Zou & Yang Wang & Sum-Wai Chiang & Xuanyu Wang & Feiyu Kang & Cheng Yang, 2018. "Directing lateral growth of lithium dendrites in micro-compartmented anode arrays for safe lithium metal batteries," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-02888-8
    DOI: 10.1038/s41467-018-02888-8
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    Cited by:

    1. Qiannan Zhao & Kaiqi Zhao & Gao-Feng Han & Ming Huang & Ronghua Wang & Zhiqiao Wang & Wang Zhou & Yue Ma & Jilei Liu & Zhongting Wang & Chaohe Xu & Guangsheng Huang & Jingfeng Wang & Fusheng Pan & Jon, 2024. "High-capacity, fast-charging and long-life magnesium/black phosphorous composite negative electrode for non-aqueous magnesium battery," Nature Communications, Nature, vol. 15(1), pages 1-14, December.

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