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Ultra-fast charging in aluminum-ion batteries: electric double layers on active anode

Author

Listed:
  • Xuejing Shen

    (Dalian University of Technology
    University of Nebraska)

  • Tao Sun

    (Dalian University of Technology
    University of Nebraska)

  • Lei Yang

    (Dalian University of Technology
    University of Nebraska)

  • Alexey Krasnoslobodtsev

    (University of Nebraska
    University of Nebraska)

  • Renat Sabirianov

    (University of Nebraska
    University of Nebraska)

  • Michael Sealy

    (University of Nebraska
    University of Nebraska)

  • Wai-Ning Mei

    (University of Nebraska
    University of Nebraska)

  • Zhanjun Wu

    (Dalian University of Technology)

  • Li Tan

    (University of Nebraska
    University of Nebraska)

Abstract

With the rapid iteration of portable electronics and electric vehicles, developing high-capacity batteries with ultra-fast charging capability has become a holy grail. Here we report rechargeable aluminum-ion batteries capable of reaching a high specific capacity of 200 mAh g−1. When liquid metal is further used to lower the energy barrier from the anode, fastest charging rate of 104 C (duration of 0.35 s to reach a full capacity) and 500% more specific capacity under high-rate conditions are achieved. Phase boundaries from the active anode are believed to encourage a high-flux charge transfer through the electric double layers. As a result, cationic layers inside the electric double layers responded with a swift change in molecular conformation, but anionic layers adopted a polymer-like configuration to facilitate the change in composition.

Suggested Citation

  • Xuejing Shen & Tao Sun & Lei Yang & Alexey Krasnoslobodtsev & Renat Sabirianov & Michael Sealy & Wai-Ning Mei & Zhanjun Wu & Li Tan, 2021. "Ultra-fast charging in aluminum-ion batteries: electric double layers on active anode," Nature Communications, Nature, vol. 12(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21108-4
    DOI: 10.1038/s41467-021-21108-4
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    Cited by:

    1. Songshan Bi & Shuai Wang & Fang Yue & Zhiwei Tie & Zhiqiang Niu, 2021. "A rechargeable aqueous manganese-ion battery based on intercalation chemistry," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    2. Jiashen Meng & Xuhui Yao & Xufeng Hong & Lujun Zhu & Zhitong Xiao & Yongfeng Jia & Fang Liu & Huimin Song & Yunlong Zhao & Quanquan Pang, 2023. "A solution-to-solid conversion chemistry enables ultrafast-charging and long-lived molten salt aluminium batteries," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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