Integrated charge excitation triboelectric nanogenerator

Wenlin Liu, Zhao Wang, Gao Wang, Guanlin Liu, Jie Chen, Xianjie Pu, Yi Xi, Xue Wang, Hengyu Guo (), Chenguo Hu () and Zhong Lin Wang ()
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Wenlin Liu: Chongqing University
Zhao Wang: Chongqing University
Gao Wang: Chongqing University
Guanlin Liu: Chongqing University
Jie Chen: Chongqing University
Xianjie Pu: Chongqing University
Yi Xi: Chongqing University
Xue Wang: Chongqing University
Hengyu Guo: Chongqing University
Chenguo Hu: Chongqing University
Zhong Lin Wang: Chinese Academy of Sciences

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract Performance of triboelectric nanogenerators is limited by low and unstable charge density on tribo-layers. An external-charge pumping method was recently developed and presents a promising and efficient strategy towards high-output triboelectric nanogenerators. However, integratibility and charge accumulation efficiency of the system is rather low. Inspired by the historical development of electromagnetic generators, here, we propose and realize a self-charge excitation triboelectric nanogenerator system towards high and stable output in analogy to the principle of traditional magnetic excitation generators. By rational design of the voltage-multiplying circuits, the completed external and self-charge excitation modes with stable and tailorable output over 1.25 mC m−2 in contact-separation mode have been realized in ambient condition. The realization of the charge excitation system in this work may provide a promising strategy for achieving high-output triboelectric nanogenerators towards practical applications.

Date: 2019
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DOI: 10.1038/s41467-019-09464-8

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