Liquid-solid Contact Triboelectric Nanogenerator Based on Tubular Structure

被引：0
|
作者：
Tang J. [1 ]
Wu H. [1 ]
Li Y. [1 ]
Xiao S. [1 ]
Zhang X. [2 ]
机构：
[1] School of Electrical Engineering and Automation, Wuhan University, Hubei Province, Wuhan
[2] Hubei Engineering Research Center for Safety Monitoring of New Energy and Power Grid Equipment, Hubei University of Technology, Hubei Province, Wuhan
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2022年 / 42卷 / 16期
基金：
中国国家自然科学基金;
关键词：
micro-hydro energy harvesting; self-powered system; triboelectric nanogenerator (TENG); tubular structure;
D O I：
10.13334/j.0258-8013.pcsee.210909
中图分类号：
学科分类号：
摘要：
It is of great significance to construct a micro-energy harvesting system and use it as a sensor distributed power source or self-driving sensor. This paper designed and fabricated a single-electrode liquid-solid triboelectric nanogenerator (LS-TENG) with a tubular structure based on the triboelectric effect, the nanogenerator realized the direct extraction of charges generated by the solid-liquid friction process without the electrostatic induction process of traditional TENG. Firstly, the working principle of LS-TENG based on the multi-physics coupling calculation, and the electric potential distribution in charge transfer process were analyzed. Secondly, the influences of liquid flow rate, pipe length, pipe inner diameter and pipe materials on the output characteristics of LS-TENG were explored. Finally, the energy supply characteristics of LS-TENG as micro power source were demonstrated. It can be found that the output voltage, current, and transfer charge of LS-TENG are directly proportional to the flow rate and inversely proportional to the pipe inner diameter. The output of LS-TENG is capable to charge the capacitor through the rectifier bridge and drive at least 40 LEDs at a flow rate of 610mL·min-1. Relevant results can provide a reference for constructing a micro-hydro energy collection system based on a tubular structure. © 2022 Chin.Soc.for Elec.Eng.
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页码：6094 / 6103
页数：9
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