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Solid-liquid interface charge transfer for generation of H2O2 and energy

Author

Listed:
  • Yunhao Hu

    (Donghua University
    Shanghai Dianji University)

  • Weifeng Yang

    (Donghua University)

  • Yuji Ma

    (Donghua University)

  • Yong Qiu

    (Binjiang Institute of Zhejiang University)

  • Wei Wei

    (Donghua University)

  • Bo Wu

    (Donghua University)

  • Kerui Li

    (Donghua University)

  • Yaogang Li

    (Donghua University)

  • Qinghong Zhang

    (Donghua University)

  • Ru Xiao

    (Donghua University)

  • Chengyi Hou

    (Donghua University)

  • Hongzhi Wang

    (Donghua University
    Shanghai Dianji University)

Abstract

Solid-liquid contact electrification is a widespread interface phenomenon in nature. Recent research and theory demonstrate that electron transfer during this process holds the potential to initiate interfacial chemical reactions. Here, we design a dual-functional device for generation of H2O2 and energy. Interfacial chemical reactions and solid-liquid contact charging occur simultaneously during the liquid phase flow process. Specifically, electron transfer at the solid-liquid interface induces the formation of hydroxyl radicals (·OH) in the liquid phase, leading to spontaneous generation of H2O2. The transfer of charges at the solid-liquid interface is accompanied by energy transfer. By designing an external electrode structure, we can effectively harvest the energy from the flowing liquid phase, yielding an output power of up to 5.8 kW/m3 for water.

Suggested Citation

  • Yunhao Hu & Weifeng Yang & Yuji Ma & Yong Qiu & Wei Wei & Bo Wu & Kerui Li & Yaogang Li & Qinghong Zhang & Ru Xiao & Chengyi Hou & Hongzhi Wang, 2025. "Solid-liquid interface charge transfer for generation of H2O2 and energy," Nature Communications, Nature, vol. 16(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57082-4
    DOI: 10.1038/s41467-025-57082-4
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    References listed on IDEAS

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    1. Wanghuai Xu & Huanxi Zheng & Yuan Liu & Xiaofeng Zhou & Chao Zhang & Yuxin Song & Xu Deng & Michael Leung & Zhengbao Yang & Ronald X. Xu & Zhong Lin Wang & Xiao Cheng Zeng & Zuankai Wang, 2020. "A droplet-based electricity generator with high instantaneous power density," Nature, Nature, vol. 578(7795), pages 392-396, February.
    2. Ziming Wang & Andy Berbille & Yawei Feng & Site Li & Laipan Zhu & Wei Tang & Zhong Lin Wang, 2022. "Contact-electro-catalysis for the degradation of organic pollutants using pristine dielectric powders," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Huifan Li & Andy Berbille & Xin Zhao & Ziming Wang & Wei Tang & Zhong Lin Wang, 2023. "A contact-electro-catalytic cathode recycling method for spent lithium-ion batteries," Nature Energy, Nature, vol. 8(10), pages 1137-1144, October.
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