Energy Harvester Based on Mechanical Impacts of an Oscillating Rod on Piezoelectric Transducers

Marco Antonio Islas-Herrera, David Sánchez-Luna, Jorge Miguel Jaimes-Ponce, Daniel Andrés Córdova-Córdova, Christopher Iván Lorenzo-Alfaro and Daniel Hernández-Rivera ()
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Marco Antonio Islas-Herrera: Departamento de Electronica, Universidad Autonoma Metropolitana Azcapotzalco, Mexico City 02128, Mexico
David Sánchez-Luna: Departamento de Ingeniería en Energías Renovables, Tecnológico Nacional de México/TES Chicoloapan, Estado de México 56380, Mexico
Jorge Miguel Jaimes-Ponce: Departamento de Electronica, Universidad Autonoma Metropolitana Azcapotzalco, Mexico City 02128, Mexico
Daniel Andrés Córdova-Córdova: Sección de Estudios de Posgrado e Investigación, ESIME Azcapotzalco, Instituto Politécnico Nacional, Ciudad de México 02250, Mexico
Christopher Iván Lorenzo-Alfaro: Departamento de Ingeniería en Energías Renovables, Tecnológico Nacional de México/TES Chicoloapan, Estado de México 56380, Mexico
Daniel Hernández-Rivera: Departamento de Ingeniería en Energías Renovables, Tecnológico Nacional de México/TES Chicoloapan, Estado de México 56380, Mexico

Clean Technol., 2024, vol. 6, issue 3, 1-14

Abstract: Energy harvesting is a clean technique for obtaining electrical energy from environmental energy. Mechanical vibrations are an energy source that can be used to produce electricity using piezoelectric energy harvesters. Vibrations and wind in bridges have the potential to produce clean energy that can be employed to supply energy to electronic devices with low consumption. The purpose of this paper was to validate the functioning of an energy harvester and test the electrical power generation potential of a system based on the oscillation of a rod with a tip mass to stimulate piezoelectric transducers by impact. The obtained results showed the electric energy productions for different test conditions. Experimentally, the proposed structure produced 0.337 µJ of energy after 14 s of testing. In addition, after one hour of operation, an estimated production of 10.4 mJ was obtained, considering four stacks of 25 piezoelectric disks each when periodic impacts of 50 N at 5.7 Hz stimulated the transducers. In future work, we will focus on taking advantage of the vibrations produced in the proposed structure induced by the mechanical vibration of bridges and vortex-induced vibration (VIV) through interaction with wind to produce clean energy that is useful for low-power applications.

Keywords: energy harvesting; piezoelectric; bridge; mechanical vibrations (search for similar items in EconPapers)
JEL-codes: Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2024
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