Improving piezoelectric and pyroelectric properties of electrospun PVDF nanofibers using nanofillers for energy harvesting application

Mina Abbasipour; Ramin Khajavi; Ali Akbar Yousefi; Mohammad Esmail Yazdanshenas; Farhad Razaghian; Abdolhamid Akbarzadeh

doi:10.1002/pat.4463

journal article Oct 08, 2018

Improving piezoelectric and pyroelectric properties of electrospun PVDF nanofibers using nanofillers for energy harvesting application

Mina Abbasipour

Ramin Khajavi

Ali Akbar Yousefi

Mohammad Esmail Yazdanshenas

Farhad Razaghian

Abdolhamid Akbarzadeh

Polymers for Advanced Technologies Vol. 30 No. 2 pp. 279-291 · Wiley

View at Publisher Save 10.1002/pat.4463

Abstract

In this study, it was aimed to increase the piezoelectric and pyroelectric properties of electrospun polyvinylidene fluoride (PVDF) nanofibers simultaneously by using specific nanofillers. Graphene oxide (GO), graphene, and halloysite nanotubes with different concentrations (0, 0.05, 0.4, and 1.6% wt/wt) were combined with PVDF solution and were fabricated in the form of nanofibers through electrospinning. Pyroelectric properties of samples were measured by submerging sealed samples in hot water (360°K) and ice (270°K). The piezoelectric properties of the samples were evaluated through bending tests. The microstructural, mechanical, and thermal properties of the electrospun PVDF nanocomposite were investigated using scanning electron microscope, Instron instrument, and thermogravimetric analysis, respectively. To further support the experimental observations for generating electric voltage in the bended nanogenerator, the PVDF nanogenerator (PNG) was also modeled by a finite element analysis based on the theory of linear piezoelectricity using COMSOL Multiphysics simulation software. Experimental results showed that adding nanofillers could improve the piezoelectric and pyroelectric properties of all samples, associated with the increment of β‐phase in the nanofibers. It was concluded that adding nanofillers could increase pyroelectricity about 50% more than piezoelectricity in pristine PVDF nanofiber web. The PNG containing 1.6 wt% GO showed the highest efficiency in terms of piezoelectricity and pyroelectricity. In addition, the results showed that the ratio of piezoelectric to pyroelectric coefficients was constant (~1.5) and it was independent of the nanofiller type and content. The effect of external force and vibration frequency on the output voltage was also investigated. Increasing the compressive force and vibration frequency caused a greater output voltage. Finally, the fabricated nanogenerator was integrated on insole and elbow to investigate its energy harvesting capabilities from body movement.

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References

Details

Published: Oct 08, 2018
Vol/Issue: 30(2)
Pages: 279-291
License: View

Authors

M

Mina Abbasipour

Department of Textile Engineering, Science and Research Branch Islamic Azad University Tehran Iran; Department of Bioresource Engineering McGill University Island of Montreal QC H9X 3V9 Canada

R

Ramin Khajavi

Department of Polymer and Textile Engineering, South Tehran Branch Islamic Azad University Tehran Iran

A

Ali Akbar Yousefi

Department of Polymer Processing Iran Polymer and Petrochemical Institute Tehran Iran

M

Mohammad Esmail Yazdanshenas

Department of Textile Engineering, Yazd Branch Islamic Azad University Yazd Iran

F

Farhad Razaghian

Department of Electrical Engineering, South Tehran Branch Islamic Azad University Tehran Iran

A

Abdolhamid Akbarzadeh

Department of Bioresource Engineering McGill University Island of Montreal QC H9X 3V9 Canada

Funding

Iran National Science Foundation Award: 93016160

Cite This Article

Mina Abbasipour, Ramin Khajavi, Ali Akbar Yousefi, et al. (2018). Improving piezoelectric and pyroelectric properties of electrospun PVDF nanofibers using nanofillers for energy harvesting application. Polymers for Advanced Technologies, 30(2), 279-291. https://doi.org/10.1002/pat.4463

Improving piezoelectric and pyroelectric properties of electrospun PVDF nanofibers using nanofillers for energy harvesting application

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