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Triboelectric micromotors actuated by ultralow frequency mechanical stimuli.


ABSTRACT: A high-speed micromotor is usually actuated by a power source with high voltage and frequency. Here we report a triboelectric micromotor by coupling a micromotor and a triboelectric nanogenerator, in which the micromotor can be actuated by ultralow-frequency mechanical stimuli. The performances of the triboelectric micromotor are exhibited at various structural parameters of the micromotor, as well as at different mechanical stimuli of the triboelectric nanogenerator. With a sliding range of 50?mm at 0.1?Hz, the micromotor can start to rotate and reach over 1000 r min-1 at 0.8?Hz. The maximum operation efficiency of the triboelectric micromotor can reach 41%. Additionally, the micromotor is demonstrated in two scanning systems for information recognition. This work has realized a high-speed micromotor actuated by ultralow frequency mechanical stimuli without an external power supply, which has extended the application of triboelectric nanogenerator in micro/nano electromechanical systems, intelligent robots and autonomous driving.

SUBMITTER: Yang H 

PROVIDER: S-EPMC6534612 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Triboelectric micromotors actuated by ultralow frequency mechanical stimuli.

Yang Hang H   Pang Yaokun Y   Bu Tianzhao T   Liu Wenbo W   Luo Jianjun J   Jiang Dongdong D   Zhang Chi C   Wang Zhong Lin ZL  

Nature communications 20190524 1


A high-speed micromotor is usually actuated by a power source with high voltage and frequency. Here we report a triboelectric micromotor by coupling a micromotor and a triboelectric nanogenerator, in which the micromotor can be actuated by ultralow-frequency mechanical stimuli. The performances of the triboelectric micromotor are exhibited at various structural parameters of the micromotor, as well as at different mechanical stimuli of the triboelectric nanogenerator. With a sliding range of 50   ...[more]

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