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Liquid-liquid triboelectric nanogenerator based on the immiscible interface of an aqueous two-phase system

Author

Listed:
  • Ye Lu

    (Qingdao University
    Qingdao University
    University-Industry Joint Center for Ocean Observation and Broadband Communication, College of Physics, Qingdao University
    Weihai Innovation Research Institute of Qingdao University)

  • Longlong Jiang

    (Qingdao University
    Qingdao University
    University-Industry Joint Center for Ocean Observation and Broadband Communication, College of Physics, Qingdao University
    Weihai Innovation Research Institute of Qingdao University)

  • Yang Yu

    (Qingdao University)

  • Dehua Wang

    (Qingdao University)

  • Wentao Sun

    (University of Health and Rehabilitation Sciences)

  • Yang Liu

    (China Academy of Engineering Physics
    China Academy of Engineering Physics)

  • Jing Yu

    (Shandong Normal University)

  • Jun Zhang

    (Qingdao University)

  • Kai Wang

    (Qingdao University)

  • Han Hu

    (China University of Petroleum (East China))

  • Xiao Wang

    (Qingdao University)

  • Qingming Ma

    (Qingdao University)

  • Xiaoxiong Wang

    (Qingdao University
    University-Industry Joint Center for Ocean Observation and Broadband Communication, College of Physics, Qingdao University
    Weihai Innovation Research Institute of Qingdao University
    Qingdao University)

Abstract

Solid nanogenerators often have limited charge transfer due to their low contact area. Liquid–liquid nanogenerators can transfer a charge better than the solid–solid and solid–liquid counterparts. However, the precise manipulation of the liquid morphology remains a challenge because of the fluidity limits of the liquid. In this work, using the surface tension of a droplet to fix its shape, a liquid-liquid triboelectric nanogenerator in Contact-Separation mode is designed using an immiscible aqueous-aqueous interface, achieving a contact surface charge transfer of 129 nC for a single droplet. The configuration is proven to be applicable in humid environments, and the two-phase materials have good biocompatibility and can be used as an effective drug carrier. Therefore, this nanogenerator is useful for designing future implantable devices. Meanwhile, this design also establishes the foundation of aqueous electronics, and additional applications can be achieved using this route.

Suggested Citation

  • Ye Lu & Longlong Jiang & Yang Yu & Dehua Wang & Wentao Sun & Yang Liu & Jing Yu & Jun Zhang & Kai Wang & Han Hu & Xiao Wang & Qingming Ma & Xiaoxiong Wang, 2022. "Liquid-liquid triboelectric nanogenerator based on the immiscible interface of an aqueous two-phase system," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33086-2
    DOI: 10.1038/s41467-022-33086-2
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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. Yike Liu & Wenlin Liu & Zhao Wang & Wencong He & Qian Tang & Yi Xi & Xue Wang & Hengyu Guo & Chenguo Hu, 2020. "Quantifying contact status and the air-breakdown model of charge-excitation triboelectric nanogenerators to maximize charge density," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
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    Cited by:

    1. Ning Ma & Huaixian Yin & Kai Wang, 2023. "Prediction of the Remaining Useful Life of Supercapacitors at Different Temperatures Based on Improved Long Short-Term Memory," Energies, MDPI, vol. 16(14), pages 1-14, July.
    2. Chongrui Zhang & Xufei Liu & Jiang Gong & Qiang Zhao, 2023. "Liquid sculpture and curing of bio-inspired polyelectrolyte aqueous two-phase systems," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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