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Nano Research 2023, 16(9): 11621-11629 https://doi.org/10.1007/s12274-023-5691-1
Research Article | Issue | Published: 28 April 2023

Triboelectric-electromagnetic hybrid generator with swing-blade structures for effectively harvesting distributed wind energy in urban environments

Show Author's Information Yangyang Yan1,2,§,  Jinzhi Zhu1,2,§,  Yuejun Zhang4,  Zhaohui Wang1,  Lin Jiang1,  Zhong Lin Wang2,3( ),  Jianyang Zhu1,2( ),  Tinghai Cheng2( )
Key Laboratory of Metallurgical Equipment and Control Technology Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China
Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
Georgia Institute of Technology, Atlanta, GA 30332-0245, USA
Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China

§ Yangyang Yan and Jinzhi Zhu contributed equally to this work.

Keywords:
computational fluid dynamics, triboelectric nanogenerator, low-speed wind energy, distributed energy source, swing-blade structure
Topics:
Electric energy storage
Cite this article:
Yan Y, Zhu J, Zhang Y, et al. Triboelectric-electromagnetic hybrid generator with swing-blade structures for effectively harvesting distributed wind energy in urban environments. Nano Research, 2023, 16(9): 11621-11629. https://doi.org/10.1007/s12274-023-5691-1
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Abstract Full text Electronic supplementary material About this article

The wind energy in cities cannot be exploited effectively because natural wind is unstable and complex. Therefore, a triboelectric-electromagnetic hybrid generator with swing-blade structures (SBS-TEHG) was designed to effectively harvest intermittent and continuous wind energy in an urban environment. First, the spring structure and base were considered to realize the maximum output performance of triboelectric nanogenerators. Then, the computational fluid dynamics method was applied to optimize the structure of the SBS-TEHG to improve its aerodynamic performance. The starting wind speed of the SBS-TEHG was 2 m/s, and its energy conversion efficiency was 9.04%, 159% higher than that of the SBS-TEHG without guide plates at 4 m/s. The results demonstrated that the SBS-TEHG lit 105 light-emitting diodes (LEDs) under the intermittent-wind harvesting mode at a wind frequency of 1 Hz when the single swing blade operated, while a wireless PM2.5 & PM10 sensor was powered by the SBS-TEHG after a period of operation under the continuous-wind harvesting mode. The findings of this study provide a novel solution for low-speed wind energy harvesting in cities and demonstrate the potential of SBS-TEHG as a distributed energy source.


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Electronic supplementary material
About this article

Triboelectric-electromagnetic hybrid generator with swing-blade structures for effectively harvesting distributed wind energy in urban environments

Show Author's information Yangyang Yan1,2,§, Jinzhi Zhu1,2,§, Yuejun Zhang4, Zhaohui Wang1, Lin Jiang1, Zhong Lin Wang2,3( ), Jianyang Zhu1,2( ), Tinghai Cheng2( )
Key Laboratory of Metallurgical Equipment and Control Technology Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China
Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
Georgia Institute of Technology, Atlanta, GA 30332-0245, USA
Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China

§ Yangyang Yan and Jinzhi Zhu contributed equally to this work.

Abstract

The wind energy in cities cannot be exploited effectively because natural wind is unstable and complex. Therefore, a triboelectric-electromagnetic hybrid generator with swing-blade structures (SBS-TEHG) was designed to effectively harvest intermittent and continuous wind energy in an urban environment. First, the spring structure and base were considered to realize the maximum output performance of triboelectric nanogenerators. Then, the computational fluid dynamics method was applied to optimize the structure of the SBS-TEHG to improve its aerodynamic performance. The starting wind speed of the SBS-TEHG was 2 m/s, and its energy conversion efficiency was 9.04%, 159% higher than that of the SBS-TEHG without guide plates at 4 m/s. The results demonstrated that the SBS-TEHG lit 105 light-emitting diodes (LEDs) under the intermittent-wind harvesting mode at a wind frequency of 1 Hz when the single swing blade operated, while a wireless PM2.5 & PM10 sensor was powered by the SBS-TEHG after a period of operation under the continuous-wind harvesting mode. The findings of this study provide a novel solution for low-speed wind energy harvesting in cities and demonstrate the potential of SBS-TEHG as a distributed energy source.

Keywords: computational fluid dynamics, triboelectric nanogenerator, low-speed wind energy, distributed energy source, swing-blade structure

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Publication history
Copyright
Acknowledgements

Publication history

Received: 14 January 2023
Revised: 26 March 2023
Accepted: 26 March 2023
Published: 28 April 2023
Issue date: September 2023

Copyright

© Tsinghua University Press 2023

Acknowledgements

Acknowledgements

The authors are grateful for the support received from the Natural Science Foundation of Beijing Municipality (No. 3222023) and the National Natural Science Foundation of China (No. 51975429).

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