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Effective energy storage from a triboelectric nanogenerator

Author

Listed:
  • Yunlong Zi

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Jie Wang

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Sihong Wang

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Shengming Li

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Zhen Wen

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Hengyu Guo

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Zhong Lin Wang

    (School of Materials Science and Engineering, Georgia Institute of Technology
    Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences)

Abstract

To sustainably power electronics by harvesting mechanical energy using nanogenerators, energy storage is essential to supply a regulated and stable electric output, which is traditionally realized by a direct connection between the two components through a rectifier. However, this may lead to low energy-storage efficiency. Here, we rationally design a charging cycle to maximize energy-storage efficiency by modulating the charge flow in the system, which is demonstrated on a triboelectric nanogenerator by adding a motion-triggered switch. Both theoretical and experimental comparisons show that the designed charging cycle can enhance the charging rate, improve the maximum energy-storage efficiency by up to 50% and promote the saturation voltage by at least a factor of two. This represents a progress to effectively store the energy harvested by nanogenerators with the aim to utilize ambient mechanical energy to drive portable/wearable/implantable electronics.

Suggested Citation

  • Yunlong Zi & Jie Wang & Sihong Wang & Shengming Li & Zhen Wen & Hengyu Guo & Zhong Lin Wang, 2016. "Effective energy storage from a triboelectric nanogenerator," Nature Communications, Nature, vol. 7(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10987
    DOI: 10.1038/ncomms10987
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    Citations

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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. Yikui Gao & Lixia He & Di Liu & Jiayue Zhang & Linglin Zhou & Zhong Lin Wang & Jie Wang, 2024. "Spontaneously established reverse electric field to enhance the performance of triboelectric nanogenerators via improving Coulombic efficiency," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Zhou, Han & Liu, Guoxu & Bu, Tianzhao & Wang, Zheng & Cao, Jie & Wang, Zhaozheng & Zhang, Zhi & Dong, Sicheng & Zeng, Jianhua & Cao, Xiaoxin & Zhang, Chi, 2024. "Autonomous cantilever buck switch for ultra-efficient power management of triboelectric nanogenerator," Applied Energy, Elsevier, vol. 357(C).
    4. Wang, Jiaxin & Jiang, Ziyuan & Sun, Wenpeng & Xu, Xueping & Han, Qinkai & Chu, Fulei, 2022. "Yoyo-ball inspired triboelectric nanogenerators for harvesting biomechanical energy," Applied Energy, Elsevier, vol. 308(C).
    5. Huiyuan Wu & Chuncai Shan & Shaoke Fu & Kaixian Li & Jian Wang & Shuyan Xu & Gui Li & Qionghua Zhao & Hengyu Guo & Chenguo Hu, 2024. "Efficient energy conversion mechanism and energy storage strategy for triboelectric nanogenerators," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    6. Yawei Wang & Hengxu Du & Hengyi Yang & Ziyue Xi & Cong Zhao & Zian Qian & Xinyuan Chuai & Xuzhang Peng & Hongyong Yu & Yu Zhang & Xin Li & Guobiao Hu & Hao Wang & Minyi Xu, 2024. "A rolling-mode triboelectric nanogenerator with multi-tunnel grating electrodes and opposite-charge-enhancement for wave energy harvesting," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    7. Di Liu & Linglin Zhou & Shengnan Cui & Yikui Gao & Shaoxin Li & Zhihao Zhao & Zhiying Yi & Haiyang Zou & Youjun Fan & Jie Wang & Zhong Lin Wang, 2022. "Standardized measurement of dielectric materials’ intrinsic triboelectric charge density through the suppression of air breakdown," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    8. Calautit, Katrina & Nasir, Diana S.N.M. & Hughes, Ben Richard, 2021. "Low power energy harvesting systems: State of the art and future challenges," Renewable and Sustainable Energy Reviews, Elsevier, vol. 147(C).
    9. Zhao, Huai & Ouyang, Huajiang, 2021. "A capsule-structured triboelectric energy harvester with stick-slip vibration and vibro-impact," Energy, Elsevier, vol. 235(C).
    10. Yang, Xin & Lai, Siu-Kai & Wang, Chen & Wang, Jia-Mei & Ding, Hu, 2022. "On a spring-assisted multi-stable hybrid-integrated vibration energy harvester for ultra-low-frequency excitations," Energy, Elsevier, vol. 252(C).

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