Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications
This paper investigates energy harvesting performances of porous piezoelectric polymer films to collect electrical energy from vibrations and power various sensors. The influence of void content on the elastic matrix, dielectric, electrical, and mechanical properties of porous piezoelectric polymer...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-08-01
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| Series: | Applied System Innovation |
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| Online Access: | https://www.mdpi.com/2571-5577/4/3/57 |
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| author | Chouaib Ennawaoui Abdelowahed Hajjaji Cédric Samuel Erroumayssae Sabani Abdelkader Rjafallah Ikrame Najihi El Mehdi Laadissi El Mehdi Loualid Mohamed Rguiti Abdessamad El Ballouti Azeddine Azim |
| author_facet | Chouaib Ennawaoui Abdelowahed Hajjaji Cédric Samuel Erroumayssae Sabani Abdelkader Rjafallah Ikrame Najihi El Mehdi Laadissi El Mehdi Loualid Mohamed Rguiti Abdessamad El Ballouti Azeddine Azim |
| author_sort | Chouaib Ennawaoui |
| collection | DOAJ |
| description | This paper investigates energy harvesting performances of porous piezoelectric polymer films to collect electrical energy from vibrations and power various sensors. The influence of void content on the elastic matrix, dielectric, electrical, and mechanical properties of porous piezoelectric polymer films produced from available commercial poly(ethylene-<i>co</i>-vinyl acetate) using an industrially applicable melt-state extrusion method (EVA) were examined and discussed. Electrical and mechanical characterization showed an increase in the harvested current and a decrease in Young’s modulus with the increasing ratio of voids. Thermal analysis revealed a decrease in piezoelectric constant of the porous materials. The authors present a mathematical model that is able to predict harvested current as a function of matrix characteristics, mechanical excitation and porosity percentage. The output current is directly proportional to the porosity percentage. The harvested power significantly increases with increasing strain or porosity, achieving a power value up to 0.23, 1.55, and 3.87 mW/m<sup>3</sup> for three EVA compositions: EVA 0%, EVA 37% and EVA 65%, respectively. In conclusion, porous piezoelectric EVA films has great potential from an energy density viewpoint and could represent interesting candidates for energy harvesting applications. Our work contributes to the development of smart materials, with potential uses as innovative harvester systems of energy generated by different vibration sources such as roads, machines and oceans. |
| first_indexed | 2024-03-10T07:53:54Z |
| format | Article |
| id | doaj.art-1efc9713f39e409096846dc1d13c1804 |
| institution | Directory Open Access Journal |
| issn | 2571-5577 |
| language | English |
| last_indexed | 2024-03-10T07:53:54Z |
| publishDate | 2021-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied System Innovation |
| spelling | doaj.art-1efc9713f39e409096846dc1d13c18042023-11-22T11:58:49ZengMDPI AGApplied System Innovation2571-55772021-08-01435710.3390/asi4030057Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting ApplicationsChouaib Ennawaoui0Abdelowahed Hajjaji1Cédric Samuel2Erroumayssae Sabani3Abdelkader Rjafallah4Ikrame Najihi5El Mehdi Laadissi6El Mehdi Loualid7Mohamed Rguiti8Abdessamad El Ballouti9Azeddine Azim10Sciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoIMT Lille Douai, Institut Mines-Telecom, Univ. Lille, Centre for Materials and Processes, F-59000 Lille, FranceSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoEA 2443-LMCPA-Laboratory of Ceramic Materials and Associated Processes, Polytechnic University of Hauts-de-France, F-59313 Valenciennes, FranceSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoSciences Engineer Laboratory for Energy (LabSIPE), National School of Applied Sciences, Chouaïb Doukkali University, El Jadida 24030, MoroccoThis paper investigates energy harvesting performances of porous piezoelectric polymer films to collect electrical energy from vibrations and power various sensors. The influence of void content on the elastic matrix, dielectric, electrical, and mechanical properties of porous piezoelectric polymer films produced from available commercial poly(ethylene-<i>co</i>-vinyl acetate) using an industrially applicable melt-state extrusion method (EVA) were examined and discussed. Electrical and mechanical characterization showed an increase in the harvested current and a decrease in Young’s modulus with the increasing ratio of voids. Thermal analysis revealed a decrease in piezoelectric constant of the porous materials. The authors present a mathematical model that is able to predict harvested current as a function of matrix characteristics, mechanical excitation and porosity percentage. The output current is directly proportional to the porosity percentage. The harvested power significantly increases with increasing strain or porosity, achieving a power value up to 0.23, 1.55, and 3.87 mW/m<sup>3</sup> for three EVA compositions: EVA 0%, EVA 37% and EVA 65%, respectively. In conclusion, porous piezoelectric EVA films has great potential from an energy density viewpoint and could represent interesting candidates for energy harvesting applications. Our work contributes to the development of smart materials, with potential uses as innovative harvester systems of energy generated by different vibration sources such as roads, machines and oceans.https://www.mdpi.com/2571-5577/4/3/57porous polymerspiezoelectric effectpoly(ethylene-<i>co</i>-vinyl acetate)mechanical energy harvesting |
| spellingShingle | Chouaib Ennawaoui Abdelowahed Hajjaji Cédric Samuel Erroumayssae Sabani Abdelkader Rjafallah Ikrame Najihi El Mehdi Laadissi El Mehdi Loualid Mohamed Rguiti Abdessamad El Ballouti Azeddine Azim Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications Applied System Innovation porous polymers piezoelectric effect poly(ethylene-<i>co</i>-vinyl acetate) mechanical energy harvesting |
| title | Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications |
| title_full | Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications |
| title_fullStr | Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications |
| title_full_unstemmed | Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications |
| title_short | Piezoelectric and Electromechanical Characteristics of Porous Poly(Ethylene-<i>co</i>-Vinyl Acetate) Copolymer Films for Smart Sensors and Mechanical Energy Harvesting Applications |
| title_sort | piezoelectric and electromechanical characteristics of porous poly ethylene i co i vinyl acetate copolymer films for smart sensors and mechanical energy harvesting applications |
| topic | porous polymers piezoelectric effect poly(ethylene-<i>co</i>-vinyl acetate) mechanical energy harvesting |
| url | https://www.mdpi.com/2571-5577/4/3/57 |
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