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| Piezoelectric Wave Energy Harvesting Device based on Capsule Structure |
| CHENG Yuhao1**，KONG Fanxing2*
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| 1.School of Information and Control Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China; 2.School of Mechanical and Electrical Engineering, Jilin Institute of Chemical Technology, Jilin City 132022, China |
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Abstract The ocean contains renewable energy with a high energy density, offering significant potential for energy harvesting. Collecting abundant wave energy and utilizing it to power electrical facilities such as sensors for cross-sea bridges not only provides a sustainable energy solution but also paves the way for the development of green energy. To address the self-powering issue of cross-sea bridge sensors, a piezoelectric wave energy harvesting scheme based on a capsule structure is proposed. This scheme captures ocean wave energy and converts it into electricity to power the sensors. Modeling and simulation results demonstrate that the piezoelectric wave energy harvester can achieve an output voltage of up to 15V and a power of 38mW, verifying the feasibility of the proposed wave energy harvesting scheme for self-powering low-power monitoring sensors in cross-sea bridge applications.
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Published: 20 December 2025
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