NDLI: Design and Test of a Spoke-like Piezoelectric Energy Harvester

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Design and Test of a Spoke-like Piezoelectric Energy Harvester

Content Provider	MDPI
Author	Gao, Shan Cao, Qiang Zhou, Nannan Ao, Hongrui Jiang, Hongyuan
Copyright Year	2022
Description	With the development of industry IoT, microprocessors and sensors are widely used for autonomously transferring information to cyber-physics systems. Massive quantities and huge power consumption of the devices result in a severe increment of the chemical batteries, which is highly associated with problems, including environmental pollution, waste of human/financial resources, difficulty in replacement, etc. Driven by this issue, mechanical energy harvesting technology has been widely studied in the last few years as a great potential solution for battery substitution. Therefore, the piezoelectric generator is characterized as an efficient transformer from ambient vibration into electricity. In this paper, a spoke-like piezoelectric energy harvester is designed and fabricated with detailed introductions on the structure, materials, and fabrication. Focusing on improving the output efficiency and broadening the pulse width, on the one hand, the energy harvesting circuit is optimized by adding voltage monitoring and regulator modules. On the other hand, magnetic mass is adopted to employ the magnetic field of repulsive and upper repulsion–lower attraction mode. The spoke-like piezoelectric energy harvester suggests broadening the frequency domain and increasing the output performance, which is prepared for wireless sensors and portable electronics in remote areas and harsh environments.
Starting Page	232
e-ISSN	2072666X
DOI	10.3390/mi13020232
Journal	Micromachines
Issue Number	2
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2022-01-30
Access Restriction	Open
Subject Keyword	Micromachines Industrial Engineering Energy Harvester Piezoelectric Material Magnetic Field Vibration Energy Harvesting Circuit
Content Type	Text
Resource Type	Article

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