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Moisture adsorption-desorption full cycle power generation

Author

Listed:
  • Haiyan Wang

    (Tsinghua University)

  • Tiancheng He

    (Tsinghua University)

  • Xuanzhang Hao

    (Tsinghua University)

  • Yaxin Huang

    (Tsinghua University)

  • Houze Yao

    (Tsinghua University)

  • Feng Liu

    (Chinese Academy of Sciences)

  • Huhu Cheng

    (Tsinghua University)

  • Liangti Qu

    (Tsinghua University
    Tsinghua University)

Abstract

Environment-adaptive power generation can play an important role in next-generation energy conversion. Herein, we propose a moisture adsorption-desorption power generator (MADG) based on porous ionizable assembly, which spontaneously adsorbs moisture at high RH and desorbs moisture at low RH, thus leading to cyclic electric output. A MADG unit can generate a high voltage of ~0.5 V and a current of 100 μA at 100% relative humidity (RH), delivers an electric output (~0.5 V and ~50 μA) at 15 ± 5% RH, and offers a maximum output power density approaching to 120 mW m−2. Such MADG devices could conduct enough power to illuminate a road lamp in outdoor application and directly drive electrochemical process. This work affords a closed-loop pathway for versatile moisture-based energy conversion.

Suggested Citation

  • Haiyan Wang & Tiancheng He & Xuanzhang Hao & Yaxin Huang & Houze Yao & Feng Liu & Huhu Cheng & Liangti Qu, 2022. "Moisture adsorption-desorption full cycle power generation," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30156-3
    DOI: 10.1038/s41467-022-30156-3
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    References listed on IDEAS

    as
    1. Yaxin Huang & Huhu Cheng & Ce Yang & Panpan Zhang & Qihua Liao & Houze Yao & Gaoquan Shi & Liangti Qu, 2018. "Interface-mediated hygroelectric generator with an output voltage approaching 1.5 volts," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    2. Xiaomeng Liu & Hongyan Gao & Joy E. Ward & Xiaorong Liu & Bing Yin & Tianda Fu & Jianhan Chen & Derek R. Lovley & Jun Yao, 2020. "Power generation from ambient humidity using protein nanowires," Nature, Nature, vol. 578(7796), pages 550-554, February.
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    Cited by:

    1. Puying Li & Yajie Hu & Wenya He & Bing Lu & Haiyan Wang & Huhu Cheng & Liangti Qu, 2023. "Multistage coupling water-enabled electric generator with customizable energy output," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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