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Making Li-metal electrodes rechargeable by controlling the dendrite growth direction

Author

Listed:
  • Yadong Liu

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

  • Qi Liu

    (Purdue School of Engineering and Technology, Indiana University-Purdue University
    Advanced Photon Source, Argonne National Laboratory)

  • Le Xin

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

  • Yuzi Liu

    (Center for Nanoscale Materials, Argonne National Laboratory)

  • Fan Yang

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

  • Eric A. Stach

    (Center for Functional Nanomaterials, Brookhaven National Laboratory)

  • Jian Xie

    (Purdue School of Engineering and Technology, Indiana University-Purdue University)

Abstract

The long-standing issue of Li-dendrite formation and growth during repeated plating or stripping processes prevents the practical application of Li-metal anodes for high-specific-energy batteries. Here we develop an approach to control dendrite growth by coating the separator with functionalized nanocarbon (FNC) with immobilized Li ions. During cycling, the Li dendrites grow toward each other simultaneously from both the FNC layer on the separator and the Li-metal anode; when the dendrites meet, the growth changes direction: rather than penetrating the separator, a dense Li layer is formed between the separator and the Li anode. This controlled growth alleviates the solid electrolyte interphase formation, reduces the decomposition of the electrolyte, and improves the cyclability of the Li-metal cell. In a Li/LiFePO4 coin cell with three different electrolytes, we show that this approach enables a long stable cycle life (>800 cycles with 80% retention of the initial capacity) and improved efficiency (>97%). Our method offers promise for application in practical Li-metal batteries, and it may also be useful for tackling dendrite issues for other metals.

Suggested Citation

  • Yadong Liu & Qi Liu & Le Xin & Yuzi Liu & Fan Yang & Eric A. Stach & Jian Xie, 2017. "Making Li-metal electrodes rechargeable by controlling the dendrite growth direction," Nature Energy, Nature, vol. 2(7), pages 1-10, July.
    • Handle: RePEc:nat:natene:v:2:y:2017:i:7:d:10.1038_nenergy.2017.83
    DOI: 10.1038/nenergy.2017.83
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    Cited by:

    1. Yun Bao & Yuansheng Chen, 2021. "Lithium-Ion Battery Real-Time Diagnosis with Direct Current Impedance Spectroscopy," Energies, MDPI, vol. 14(15), pages 1-16, July.
    2. Minsung Baek & Jinyoung Kim & Kwanghoon Jeong & Seonmo Yang & Heejin Kim & Jimin Lee & Minkwan Kim & Ki Jae Kim & Jang Wook Choi, 2023. "Naked metallic skin for homo-epitaxial deposition in lithium metal batteries," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Daems, K. & Yadav, P. & Dermenci, K.B. & Van Mierlo, J. & Berecibar, M., 2024. "Advances in inorganic, polymer and composite electrolytes: Mechanisms of Lithium-ion transport and pathways to enhanced performance," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).
    4. Qinghe Cao & Yong Gao & Jie Pu & Xin Zhao & Yuxuan Wang & Jipeng Chen & Cao Guan, 2023. "Gradient design of imprinted anode for stable Zn-ion batteries," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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