A piezoelectric-triboelectric-electromagnetic tri-hybrid energy harvester with dual-frequency-up-conversion mechanism for ultralow-frequency rotational motion

Rui, Xiaobo; Li, Hang; Han, Xinxin; Zhang, Lei; Zhang, Yu; Zeng, Zhoumo

doi:10.1016/j.seta.2024.103859

Sustainable Energy Technologies and Assessments

2024

DOI: 10.1016/j.seta.2024.103859

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A piezoelectric-triboelectric-electromagnetic tri-hybrid energy harvester with dual-frequency-up-conversion mechanism for ultralow-frequency rotational motion

Xiaobo Rui,

Hang Li,

Xinxin Han

et al.

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Cited by 2 publications

References 32 publications

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Exploring the synergy of EMG and TENG in motion based hybrid energy harvesting

Xing,

Tang,

Wang

et al. 2025

Nano Energy

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Exploring the synergy of EMG and TENG in motion based hybrid energy harvesting

Xing,

Tang,

Wang

et al. 2025

Nano Energy

View full text Add to dashboard Cite

An ultralow-frequency high-efficiency rotational energy harvester with bistability principle and magnetic plucking mechanism

Rui,

Li,

Zhang

et al. 2024

Applied Physics Letters

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In this paper, we propose an energy harvester that overcomes the bottleneck problem under ultralow-frequency rotational motion. The harvester consists of bistable dual piezoelectric energy harvesters (BD-PEH) with the magnetic plucking mechanism. The driving magnet is introduced to provide the magnetic plucking to BD-PEH. Therefore, the BD-PEH can operate at high-frequency vibrations across the potential well under ultralow-frequency rotation, which enhances energy harvesting efficiency. A numerical model of the harvester is developed, and the model results are in agreement with the experimental results. The effect of the depth of the potential well on the performance of the harvester is analyzed. The deeper the potential well, the higher the energy output, but it will reduce the bandwidth of the harvester. The experimental results show that the highest average power output is 0.81 mW at 1.2 Hz. In conclusion, the energy harvester proposed in this paper can generate enough energy to drive low-power electronic devices under ultralow-frequency rotational motion.

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A piezoelectric-triboelectric-electromagnetic tri-hybrid energy harvester with dual-frequency-up-conversion mechanism for ultralow-frequency rotational motion

Cited by 2 publications

References 32 publications

Exploring the synergy of EMG and TENG in motion based hybrid energy harvesting

Exploring the synergy of EMG and TENG in motion based hybrid energy harvesting

An ultralow-frequency high-efficiency rotational energy harvester with bistability principle and magnetic plucking mechanism

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