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Lean-water hydrogel electrolyte for zinc ion batteries

Author

Listed:
  • Yanbo Wang

    (City University of Hong Kong)

  • Qing Li

    (City University of Hong Kong)

  • Hu Hong

    (City University of Hong Kong)

  • Shuo Yang

    (City University of Hong Kong)

  • Rong Zhang

    (City University of Hong Kong)

  • Xiaoqi Wang

    (Research Institute of Petroleum Exploration & Development (RIPED), PetroChina Research Center of New Energy)

  • Xu Jin

    (Research Institute of Petroleum Exploration & Development (RIPED), PetroChina Research Center of New Energy)

  • Bo Xiong

    (Research Institute of Petroleum Exploration & Development (RIPED), PetroChina Research Center of New Energy)

  • Shengchi Bai

    (Research Institute of Petroleum Exploration & Development (RIPED), PetroChina Research Center of New Energy)

  • Chunyi Zhi

    (City University of Hong Kong
    City University of Hong Kong
    City University of Hong Kong)

Abstract

Solid polymer electrolytes (SPEs) and hydrogel electrolytes were developed as electrolytes for zinc ion batteries (ZIBs). Hydrogels can retain water molecules and provide high ionic conductivities; however, they contain many free water molecules, inevitably causing side reactions on the zinc anode. SPEs can enhance the stability of anodes, but they typically possess low ionic conductivities and result in high impedance. Here, we develop a lean water hydrogel electrolyte, aiming to balance ion transfer, anode stability, electrochemical stability window and resistance. This hydrogel is equipped with a molecular lubrication mechanism to ensure fast ion transportation. Additionally, this design leads to a widened electrochemical stability window and highly reversible zinc plating/ stripping. The full cell shows excellent cycling stability and capacity retentions at high and low current rates, respectively. Moreover, superior adhesion ability can be achieved, meeting the needs of flexible devices.

Suggested Citation

  • Yanbo Wang & Qing Li & Hu Hong & Shuo Yang & Rong Zhang & Xiaoqi Wang & Xu Jin & Bo Xiong & Shengchi Bai & Chunyi Zhi, 2023. "Lean-water hydrogel electrolyte for zinc ion batteries," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-39634-8
    DOI: 10.1038/s41467-023-39634-8
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    References listed on IDEAS

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    1. Giorgia Zampardi & Fabio La Mantia, 2022. "Open challenges and good experimental practices in the research field of aqueous Zn-ion batteries," Nature Communications, Nature, vol. 13(1), pages 1-5, December.
    2. Xiao Tang & Dong Zhou & Bao Zhang & Shijian Wang & Peng Li & Hao Liu & Xin Guo & Pauline Jaumaux & Xiaochun Gao & Yongzhu Fu & Chengyin Wang & Chunsheng Wang & Guoxiu Wang, 2021. "A universal strategy towards high–energy aqueous multivalent–ion batteries," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
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    Cited by:

    1. Rong Zhang & Chuan Li & Huilin Cui & Yanbo Wang & Shaoce Zhang & Pei Li & Yue Hou & Ying Guo & Guojin Liang & Zhaodong Huang & Chao Peng & Chunyi Zhi, 2023. "Electrochemical nitrate reduction in acid enables high-efficiency ammonia synthesis and high-voltage pollutes-based fuel cells," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Mohammed Abbas, Akhtar Hasnain & Cheralathan, Kanakkampalayam Krishnan & Porpatham, Ekambaram & Arumugam, Senthil Kumar, 2024. "Hydrogen generation using methanol steam reforming – catalysts, reactors, and thermo-chemical recuperation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).

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