Corona Poling Conditions for Barium Titanate/Epoxy Composites and their Unsteady Wind Energy Harvesting Potential

Zhenjin Wang, Fumio Narita

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The objective of this paper is to design and fabricate barium titanate (BTO)/epoxy composites, investigate the effect of poling conditions on their piezoelectric properties, and obtain their unsteady energy harvesting potential. The poling condition test deals with the effect of the poling conditions on the piezoelectricity of BTO/epoxy composites. The specimens are polarized by corona poling under different conditions, and their piezoelectric coefficient d33 is measured. The distribution of the piezoelectric particles in the matrix is studied using scanning electron microscopy (SEM), and the microstructure of the particle is investigated using X-ray diffraction (XRD). A wind harvesting test is then performed, and the output voltage is measured for the composite sheets under unsteady air flow. This study opens the way for the development of flexible energy harvesting devices.

Original languageEnglish
Article number1900169
JournalAdvanced Engineering Materials
Volume21
Issue number7
DOIs
Publication statusPublished - 2019 Jul

Keywords

  • composite design
  • corona poling
  • energy harvesting
  • lead-free piezoelectric composites
  • piezoelectric properties

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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