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Pumping up the charge density of a triboelectric nanogenerator by charge-shuttling

Author

Listed:
  • Huamei Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Liang Xu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yu Bai

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zhong Lin Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    School of Materials Science and Engineering, Georgia Institute of Technology)

Abstract

As an emerging technology for harvesting mechanical energy, low surface charge density greatly hinders the practical applications of triboelectric nanogenerators (TENGs). Here, a high-performance TENG based on charge shuttling is demonstrated. Unlike conventional TENGs with static charges fully constrained on the dielectric surface, the device works based on the shuttling of charges corralled in conduction domains. Driven by the interaction of two quasi-symmetrical domains, shuttling of two mirror charge carriers can be achieved to double the charge output. Based on the mechanism, an ultrahigh projected charge density of 1.85 mC m−2 is obtained in ambient conditions. An integrated device for water wave energy harvesting is also presented, confirming its feasibility for practical applications. The device provides insights into new modes of TENGs using unfixed charges in domains, shedding a new light on high-performance mechanical energy harvesting technology.

Suggested Citation

  • Huamei Wang & Liang Xu & Yu Bai & Zhong Lin Wang, 2020. "Pumping up the charge density of a triboelectric nanogenerator by charge-shuttling," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17891-1
    DOI: 10.1038/s41467-020-17891-1
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    Cited by:

    1. Xin Xia & Ziqing Zhou & Yinghui Shang & Yong Yang & Yunlong Zi, 2023. "Metallic glass-based triboelectric nanogenerators," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Vidal, João V. & Rolo, Pedro & Carneiro, Pedro M.R. & Peres, Inês & Kholkin, Andrei L. & Soares dos Santos, Marco P., 2022. "Automated electromagnetic generator with self-adaptive structure by coil switching," Applied Energy, Elsevier, vol. 325(C).
    3. Li, Yanhong & Guo, Ziting & Zhao, Zhihao & Gao, Yikui & Yang, Peiyuan & Qiao, Wenyan & Zhou, Linglin & Wang, Jie & Wang, Zhong Lin, 2023. "Multi-layered triboelectric nanogenerator incorporated with self-charge excitation for efficient water wave energy harvesting," Applied Energy, Elsevier, vol. 336(C).

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