STUDY ON OCEAN CURRENT ENERGY CAPTURING PERFORMANCE BASED ON VORTEX-INDUCED VIBRATION WITH TRIBOELECTRIC NANOGENERATOR

Xu Peng; Yu Linjie; Hong Mingjie; Zhang Zhaode; Li He; Xu Huixing

doi:10.19912/j.0254-0096.tynxb.2023-2131

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (4) : 692-699. DOI: 10.19912/j.0254-0096.tynxb.2023-2131

STUDY ON OCEAN CURRENT ENERGY CAPTURING PERFORMANCE BASED ON VORTEX-INDUCED VIBRATION WITH TRIBOELECTRIC NANOGENERATOR

Xu Peng^1,2, Yu Linjie¹, Hong Mingjie¹, Zhang Zhaode¹, Li He¹, Xu Huixing³

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Abstract

Due to the substantial study performed by academics globally, triboelectric nanogenerators （TENGs） are attracting significant attention in area of ocean energy acquiring and utilization. According to the advantages of TENG in low-frequency energy harvesting, this study presents an ocean current energy capturing device using TENG based on vortex-induced vibration （VIV）. The device's structure and working principle are clarified, and the output characteristics of the freestanding-layer TENG with multi-grating structure are simulated by COMSOL software. The effect of the pressure between the TENG friction surfaces on the electrical energy output is analyzed by means of linear module tests. Finally, experiment in a recirculating flume was conducted to obtain the electrical energy output data of the generator model. It is found that the model device can output the power of 100 microwatts at low flow rate. This study provides a new research idea for the collection and utilization of ocean current energy at low flow velocity.

Key words

ocean current / nanogenerator / energy harvesting / circular cylinder / multi-grating structure

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Xu Peng, Yu Linjie, Hong Mingjie, Zhang Zhaode, Li He, Xu Huixing. STUDY ON OCEAN CURRENT ENERGY CAPTURING PERFORMANCE BASED ON VORTEX-INDUCED VIBRATION WITH TRIBOELECTRIC NANOGENERATOR[J]. Acta Energiae Solaris Sinica. 2025, 46(4): 692-699 https://doi.org/10.19912/j.0254-0096.tynxb.2023-2131

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