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Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery

Author

Listed:
  • Chuan Wu

    (Beijing Institute of Technology
    Collaborative Innovation Center of Electric Vehicles in Beijing)

  • Sichen Gu

    (Beijing Institute of Technology)

  • Qinghua Zhang

    (Chinese Academy of Sciences)

  • Ying Bai

    (Beijing Institute of Technology)

  • Matthew Li

    (Argonne National Laboratory)

  • Yifei Yuan

    (Argonne National Laboratory)

  • Huali Wang

    (Beijing Institute of Technology)

  • Xinyu Liu

    (Chinese Academy of Sciences)

  • Yanxia Yuan

    (Beijing Institute of Technology)

  • Na Zhu

    (Beijing Institute of Technology)

  • Feng Wu

    (Beijing Institute of Technology
    Collaborative Innovation Center of Electric Vehicles in Beijing)

  • Hong Li

    (Chinese Academy of Sciences)

  • Lin Gu

    (Chinese Academy of Sciences)

  • Jun Lu

    (Argonne National Laboratory)

Abstract

Aluminum is a naturally abundant, trivalent charge carrier with high theoretical specific capacity and volumetric energy density, rendering aluminum-ion batteries a technology of choice for future large-scale energy storage. However, the frequent collapse of the host structure of the cathode materials and sluggish kinetics of aluminum ion diffusion have thus far hampered the realization of practical battery devices. Here, we synthesize AlxMnO2·nH2O by an in-situ electrochemical transformation reaction to be used as a cathode material for an aluminum-ion battery with a configuration of Al/Al(OTF)3-H2O/AlxMnO2·nH2O. This cell is not only based on aqueous electrolyte chemistry but also delivers a high specific capacity of 467 mAh g−1 and a record high energy density of 481 Wh kg−1. The high safety of aqueous electrolyte, facile cell assembly and the low cost of materials suggest that this aqueous aluminum-ion battery holds promise for large-scale energy applications.

Suggested Citation

  • Chuan Wu & Sichen Gu & Qinghua Zhang & Ying Bai & Matthew Li & Yifei Yuan & Huali Wang & Xinyu Liu & Yanxia Yuan & Na Zhu & Feng Wu & Hong Li & Lin Gu & Jun Lu, 2019. "Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-07980-7
    DOI: 10.1038/s41467-018-07980-7
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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.

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