Research on Triboelectric Magnetic Energy Harvester Based on Magneto-Mechano-Electric Effect

doi:10.16628/j.cnki.2095-8188.2022.04.005

Abstract

Abstract:

A triboelectric magnetic energy harvester structure is proposed based on the abundant and widely distributed magnetic energy in power systems.By building a magnetic energy harvesting test platform,the electrical output performance of the magnetic energy harvester is tested and analyzed in terms of magnetic field strength,material thickness,and environmental humidity variation.The experimental results show that the output voltage and current of the magnetic energy harvester increase with the increase of magnetic field strength,and the maximum instantaneous output power increases from 846 μW to 4 400 μW,which increases the output power by 4.2 times.With the decrease of PDMS material thickness,the output open circuit voltage and short circuit current of the magnetic energy harvester increase first and then decrease.With the increase of relative humidity,the output open-circuit voltage and short-circuit current of the triboelectric magnetic energy harvester both show a decreasing trend.

Key words: magnetic energy harvester, triboelectric nanogenerator, magneto-mechano-electric effect, self-supplied energy

CLC Number:

TM91

SUN Tianzi, ZHAI Xiaoshe, GENG Yingsan, ZHANG Gaochao, WANG Xiaohua. Research on Triboelectric Magnetic Energy Harvester Based on Magneto-Mechano-Electric Effect[J]. LOW VOLTAGE APPARATUS, 2022, 0(4): 28-34.

Figures/Tables 10

References 21

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项目	长/mm	宽/mm	高/mm
悬臂梁钛片	100	20	0.3
PDMS薄膜	25	20	0.1
永磁体	5	20	4
缓冲层	25	20	4
铝箔	80	20	0.015