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Two-dimensional mineral hydrogel-derived single atoms-anchored heterostructures for ultrastable hydrogen evolution

Author

Listed:
  • Fucong Lyu

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong)

  • Shanshan Zeng

    (City University of Hong Kong)

  • Zhe Jia

    (City University of Hong Kong
    Southeast University)

  • Fei-Xiang Ma

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong)

  • Ligang Sun

    (Harbin Institute of Technology
    City University of Hong Kong)

  • Lizi Cheng

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong)

  • Jie Pan

    (City University of Hong Kong)

  • Yan Bao

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong)

  • Zhengyi Mao

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong)

  • Yu Bu

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong)

  • Yang Yang Li

    (City University of Hong Kong)

  • Jian Lu

    (City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science
    City University of Hong Kong
    City University of Hong Kong
    CityU-Shenzhen Futian Research Institute)

Abstract

Hydrogen energy is critical for achieving carbon neutrality. Heterostructured materials with single metal-atom dispersion are desirable for hydrogen production. However, it remains a great challenge to achieve large-scale fabrication of single atom-anchored heterostructured catalysts with high stability, low cost, and convenience. Here, we report single iron (Fe) atom-dispersed heterostructured Mo-based nanosheets developed from a mineral hydrogel. These rationally designed nanosheets exhibit excellent hydrogen evolution reaction (HER) activity and reliability in alkaline condition, manifesting an overpotential of 38.5 mV at 10 mA cm−2, and superior stability without performance deterioration over 600 h at current density up to 200 mA cm−2, superior to most previously reported non-noble-metal electrocatalysts. The experimental and density functional theory results reveal that the O-coordinated single Fe atom-dispersed heterostructures greatly facilitated H2O adsorption and enabled effective adsorbed hydrogen (H*) adsorption/desorption. The green, scalable production of single-atom-dispersed heterostructured HER electrocatalysts reported here is of great significance in promoting their large-scale implementation.

Suggested Citation

  • Fucong Lyu & Shanshan Zeng & Zhe Jia & Fei-Xiang Ma & Ligang Sun & Lizi Cheng & Jie Pan & Yan Bao & Zhengyi Mao & Yu Bu & Yang Yang Li & Jian Lu, 2022. "Two-dimensional mineral hydrogel-derived single atoms-anchored heterostructures for ultrastable hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33725-8
    DOI: 10.1038/s41467-022-33725-8
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    References listed on IDEAS

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    1. Kai Ling Zhou & Zelin Wang & Chang Bao Han & Xiaoxing Ke & Changhao Wang & Yuhong Jin & Qianqian Zhang & Jingbing Liu & Hao Wang & Hui Yan, 2021. "Platinum single-atom catalyst coupled with transition metal/metal oxide heterostructure for accelerating alkaline hydrogen evolution reaction," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Jingjing Duan & Sheng Chen & Chuan Zhao, 2017. "Ultrathin metal-organic framework array for efficient electrocatalytic water splitting," Nature Communications, Nature, vol. 8(1), pages 1-7, August.
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