用于收集岸基海浪能的弹簧辅助摩擦纳米发电机*

doi:10.11978/2022200

Abstract

Abstract:

As one of the most important renewable energy sources, ocean wave energy is inexhaustible and has broad development potential. Herein, we propose a novel spring-assisted triboelectric nanogenerator (SS-TENG) for harvesting shore-based wave energy. SS-TENG realizes ocean wave energy conversion through the “wave-floating platform-spring” transmission structure, which avoids direct contact with seawater and minimizes the damage to the power generation module caused by a corrosive environment. The output performance of SS-TENG is significantly enhanced in two ways. First, by utilizing the elastic potential energy released by the spring, the instantaneous contact speed between the electrode and dielectric layer is boosted, and the peak current (I_P) output by a single triboelectric nanogenerator (TENG) unit increases from 7.36 to 12.12 μA. Second, benefiting from the synchronous movement of each TENG unit, the TENGs can be connected in parallel to achieve the linear increase of I_P from 12.12 μA for a single unit to 43.86 μA for four units. SS-TENG can provide sufficient energy to drive a digital calculator and up to 160 high luminosity LEDs, verifying its superior performance. The proposed design has the merits of modest structure, low production cost, excellent output performance, and long-term stability, and is expected to inspire the development of shore-based wave energy generators and self-sufficient ocean sensors.

Key words: triboelectric nanogenerator, contact-separation, elastic potential energy, shore-based wave energy

XU Qingyue, PAN Yuanchao, MA Haoxiang, LI Changzheng, LIU Weihao, XUE Liang, HAN Changbao, YANG Yang. Spring-assisted triboelectric nanogenerator for shore-based ocean wave energy harvesting[J].Journal of Tropical Oceanography, 2023, 42(4): 176-183.

Figures/Tables 6

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References 30

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Spring-assisted triboelectric nanogenerator for shore-based ocean wave energy harvesting

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