A Review of Piezoelectric Energy Harvesting: Materials, Design, and Readout Circuits

Mechanical vibrational energy, which is provided by continuous or discontinuous motion, is an infinite source of energy that may be found anywhere. This source may be utilized to generate electricity to replenish batteries or directly power electrical equipment thanks to energy harvesters. The new g...

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Bibliographic Details
Published in:Actuators 2023-12, Vol.12 (12), p.457
Main Authors: Brusa, Eugenio, Carrera, Anna, Delprete, Cristiana
Format: Article
Language:English
Subjects:
Batteries
Biocompatibility
Biomedical materials
Ceramics
Charge efficiency
Circuit design
Efficiency
Electric equipment
Electric fields
Electric power production
Energy harvesting
Energy resources
Energy sources
Energy storage
Force and energy
Internet of Things
Lead free
Physiology
piezoelectric
piezoelectric design
piezoelectric materials
piezoelectric structure
Piezoelectricity
renewable energies
Sensors
Single crystals
Vibration
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Summary:Mechanical vibrational energy, which is provided by continuous or discontinuous motion, is an infinite source of energy that may be found anywhere. This source may be utilized to generate electricity to replenish batteries or directly power electrical equipment thanks to energy harvesters. The new gadgets are based on the utilization of piezoelectric materials, which can transform vibrating mechanical energy into useable electrical energy owing to their intrinsic qualities. The purpose of this article is to highlight developments in three independent but closely connected multidisciplinary domains, starting with the piezoelectric materials and related manufacturing technologies related to the structure and specific application; the paper presents the state of the art of materials that possess the piezoelectric property, from classic inorganics such as PZT to lead-free materials, including biodegradable and biocompatible materials. The second domain is the choice of harvester structure, which allows the piezoelectric material to flex or deform while retaining mechanical dependability. Finally, developments in the design of electrical interface circuits for readout and storage of electrical energy given by piezoelectric to improve charge management efficiency are discussed.
ISSN:2076-0825
2076-0825
DOI:10.3390/act12120457