A Wideband Triboelectric Energy Harvester

13th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications

物理学;能源学

Dhakar, Lokesh^1,2 ; Liu, Huicong^1,3 ; Tay, F.E.H.^2,4 ; Lee, Chengkuo^1

Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore^1

NUS Graduate School for Integrative Sciences and Engineering, Singapore, Singapore^2

Robotics and Microsystems Center, Soochow University, China^3

Department of Mechanical Engineering, National University of Singapore, Singapore, Singapore^4

关键词: Applied forces;    Contact Electrification;    Electronic application;    Energy Harvester;    Engineering applications;    Excitation acceleration;    Triboelectric charging;    Triboelectric charging mechanisms;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/476/1/012128/pdf
DOI  :  10.1088/1742-6596/476/1/012128

来源: IOP

【 摘 要 】

Contact electrification or triboelectric charging has mostly been seen as a negative phenomenon in various engineering applications. In electronic applications, static charge buildup may even destroy some of the components. In this paper, we demonstrate a cantilever based design using triboelectric charging mechanism for energy harvesting applications. The voltage output of triboelectric energy harvester (TEH) continuously increases with increased mass applied force and proof mass loading on the cantilever. The voltage output increases from 0.4 V to 1.8V as the excitation acceleration increases from 0.4g to 1.8g. The design has been shown to demonstrate wide bandwidth characteristics. The FWHM increases from 3.76 to 12.64 Hz as the acceleration increases from 0.4g to 1.8g. The peak power output is found to be 0.18μW at 1.4g.