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Free-standing ultrathin lithium metal–graphene oxide host foils with controllable thickness for lithium batteries

Author

Listed:
  • Hao Chen

    (Stanford University)

  • Yufei Yang

    (Stanford University)

  • David T. Boyle

    (Stanford University)

  • You Kyeong Jeong

    (Stanford University)

  • Rong Xu

    (Stanford University)

  • Luize Scalco Vasconcelos

    (Purdue University)

  • Zhuojun Huang

    (Stanford University)

  • Hansen Wang

    (Stanford University)

  • Hongxia Wang

    (Stanford University)

  • Wenxiao Huang

    (Stanford University)

  • Huiqiao Li

    (Stanford University)

  • Jiangyan Wang

    (Stanford University)

  • Hanke Gu

    (Stanford University)

  • Ryuhei Matsumoto

    (Murata Manufacturing)

  • Kazunari Motohashi

    (Murata Manufacturing)

  • Yuri Nakayama

    (Murata Manufacturing)

  • Kejie Zhao

    (Purdue University)

  • Yi Cui

    (Stanford University
    SLAC National Accelerator Laboratory)

Abstract

Thin (≤20 μm) and free-standing Li metal foils would enable precise prelithiation of anode materials and high-energy-density Li batteries. Existing Li metal foils are too thick (typically 50 to 750 μm) or too mechanically fragile for these applications. Here, we developed a facile and scalable process for the synthesis of an ultrathin (0.5 to 20 μm), free-standing and mechanically robust Li metal foil within a graphene oxide host. In addition to low areal capacities of ~0.1 to 3.7 mAh cm−2, this Li foil also has a much-improved mechanical strength over conventional pure Li metal foil. Our Li foil can improve the initial Coulombic efficiency of graphite (93%) and silicon (79.4%) anodes to around 100% without generating excessive Li residue, and increases the capacity of Li-ion full cells by 8%. The cycle life of Li metal full cells is prolonged by nine times using this thin Li composite anode.

Suggested Citation

  • Hao Chen & Yufei Yang & David T. Boyle & You Kyeong Jeong & Rong Xu & Luize Scalco Vasconcelos & Zhuojun Huang & Hansen Wang & Hongxia Wang & Wenxiao Huang & Huiqiao Li & Jiangyan Wang & Hanke Gu & Ry, 2021. "Free-standing ultrathin lithium metal–graphene oxide host foils with controllable thickness for lithium batteries," Nature Energy, Nature, vol. 6(8), pages 790-798, August.
    • Handle: RePEc:nat:natene:v:6:y:2021:i:8:d:10.1038_s41560-021-00833-6
    DOI: 10.1038/s41560-021-00833-6
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    Citations

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    Cited by:

    1. Jiaqi Cao & Yuansheng Shi & Aosong Gao & Guangyuan Du & Muhtar Dilxat & Yongfei Zhang & Mohang Cai & Guoyu Qian & Xueyi Lu & Fangyan Xie & Yang Sun & Xia Lu, 2024. "Hierarchical Li electrochemistry using alloy-type anode for high-energy-density Li metal batteries," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    2. Yuzhao Liu & Xiangyu Meng & Zhiyu Wang & Jieshan Qiu, 2022. "Development of quasi-solid-state anode-free high-energy lithium sulfide-based batteries," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. Cheng Yang & Huachun Ma & Ruichuan Yuan & Kuangyu Wang & Kai Liu & Yuanzheng Long & Fei Xu & Lei Li & Haitian Zhang & Yingchuan Zhang & Xiaoyan Li & Hui Wu, 2023. "Roll-to-roll prelithiation of lithium-ion battery anodes by transfer printing," Nature Energy, Nature, vol. 8(7), pages 703-713, July.

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