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High power rechargeable magnesium/iodine battery chemistry

Author

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  • Huajun Tian

    (University of Maryland, College Park
    Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences)

  • Tao Gao

    (University of Maryland, College Park)

  • Xiaogang Li

    (University of Maryland, College Park)

  • Xiwen Wang

    (University of Maryland, College Park)

  • Chao Luo

    (University of Maryland, College Park)

  • Xiulin Fan

    (University of Maryland, College Park)

  • Chongyin Yang

    (University of Maryland, College Park)

  • Liumin Suo

    (University of Maryland, College Park)

  • Zhaohui Ma

    (University of Maryland, College Park)

  • Weiqiang Han

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
    School of Materials Science and Engineering, Zhejiang University)

  • Chunsheng Wang

    (University of Maryland, College Park)

Abstract

Rechargeable magnesium batteries have attracted considerable attention because of their potential high energy density and low cost. However, their development has been severely hindered because of the lack of appropriate cathode materials. Here we report a rechargeable magnesium/iodine battery, in which the soluble iodine reacts with Mg2+ to form a soluble intermediate and then an insoluble final product magnesium iodide. The liquid–solid two-phase reaction pathway circumvents solid-state Mg2+ diffusion and ensures a large interfacial reaction area, leading to fast reaction kinetics and high reaction reversibility. As a result, the rechargeable magnesium/iodine battery shows a better rate capability (180 mAh g−1 at 0.5 C and 140 mAh g−1 at 1 C) and a higher energy density (∼400 Wh kg−1) than all other reported rechargeable magnesium batteries using intercalation cathodes. This study demonstrates that the liquid–solid two-phase reaction mechanism is promising in addressing the kinetic limitation of rechargeable magnesium batteries.

Suggested Citation

  • Huajun Tian & Tao Gao & Xiaogang Li & Xiwen Wang & Chao Luo & Xiulin Fan & Chongyin Yang & Liumin Suo & Zhaohui Ma & Weiqiang Han & Chunsheng Wang, 2017. "High power rechargeable magnesium/iodine battery chemistry," Nature Communications, Nature, vol. 8(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14083
    DOI: 10.1038/ncomms14083
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    Cited by:

    1. Wenjiao Ma & Tingting Liu & Chen Xu & Chengjun Lei & Pengjie Jiang & Xin He & Xiao Liang, 2023. "A twelve-electron conversion iodine cathode enabled by interhalogen chemistry in aqueous solution," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Zishuai Zhang & Yilong Zhu & Miao Yu & Yan Jiao & Yan Huang, 2022. "Development of long lifespan high-energy aqueous organic||iodine rechargeable batteries," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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