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Efficient osmosis-powered production of green hydrogen

Author

Listed:
  • Qirui Liang

    (Fudan University
    Harbin Engineering University
    Fudan University)

  • Yanan Huang

    (Fudan University)

  • Yaxin Guo

    (Fudan University)

  • Xin Zhang

    (Fudan University)

  • Xiaomeng Hu

    (Fudan University)

  • Hui Zeng

    (Fudan University
    Zhejiang University)

  • Kang Liang

    (The University of New South Wales)

  • Dongyuan Zhao

    (Fudan University)

  • Lei Jiang

    (Chinese Academy of Sciences)

  • Biao Kong

    (Fudan University
    Fudan University
    Shandong Laboratory of Green Chemistry and Functional Materials
    Institute of Fudan University)

Abstract

Hydrogen, a clean energy carrier, has emerged as a promising solution to decarbonize the power sector and move towards a more sustainable future. However, the heavy dependence of its production on fossil fuels highlights the pressing need to prioritize the acquisition of green hydrogen from renewable sources, ideally without any additional energy input. Here we utilize the osmotic energy between seawater and freshwater to generate hydrogen directly. With a tandem of high-performance ion exchange membrane and electrocatalytic electrode, our design serves to harvest osmotic energy and drive hydrogen production. Notably, the integrated device demonstrates a consistent alkaline hydrogen evolution rate exceeding 300 l m−2 h−1 for more than 12 days under the artificial salinity gradient. Our study presents a viable pathway for hydrogen production through renewable sources.

Suggested Citation

  • Qirui Liang & Yanan Huang & Yaxin Guo & Xin Zhang & Xiaomeng Hu & Hui Zeng & Kang Liang & Dongyuan Zhao & Lei Jiang & Biao Kong, 2024. "Efficient osmosis-powered production of green hydrogen," Nature Sustainability, Nature, vol. 7(5), pages 628-639, May.
    • Handle: RePEc:nat:natsus:v:7:y:2024:i:5:d:10.1038_s41893-024-01317-7
    DOI: 10.1038/s41893-024-01317-7
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    Cited by:

    1. Shijie Yin & Jianguo Li & Zhuozhi Lai & Qing-Wei Meng & Weipeng Xian & Zhifeng Dai & Sai Wang & Li Zhang & Yubing Xiong & Shengqian Ma & Qi Sun, 2024. "Giant gateable thermoelectric conversion by tuning the ion linkage interactions in covalent organic framework membranes," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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