A study of the electric power generation properties of a lead zirconate titanate piezoelectric ceramic

Mitsuhiro Okayasu, Keisuke Watanabe

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Electric power generation characteristics of lead zirconate titanate (PZT) piezoelectric ceramic have been investigated experimentally and numerically. A thin PZT ceramic plate attached to a thin brass plate was used to examine the electric voltage generated during cyclic loading. On increasing the number of PZT ceramic plates combined together in the longitudinal direction, the electric voltage increases with the highest electric voltage being obtained for four PZT ceramic plates; and the maximum electric voltage becomes almost constant even if the number of PZT ceramic plates combined together increases more than four. This is attributed to the low strain level and the mixed strain (compressive and tensile strain). The effect of strain characteristic on the electric voltage value was analyzed numerically using our strain definition, and a clear correlation between the extent of compressive strain and generated electric voltage is clarified. A different electric generation characteristic was further observed depending on the stress conditions: generation of positive and negative electric voltage occurs when the PZT ceramic is subjected to mainly compressive and tensile stress, respectively.

Original languageEnglish
Pages (from-to)14049-14060
Number of pages12
JournalCeramics International
Volume42
Issue number12
DOIs
Publication statusPublished - Sep 1 2016

Fingerprint

Electric power generation
Piezoelectric ceramics
Electric potential
Tensile strain
Brass
lead titanate zirconate
Compressive stress
Tensile stress

Keywords

  • Cyclic loading
  • Electric generation
  • Harvesting energy
  • Piezoelectric ceramic
  • PZT

ASJC Scopus subject areas

  • Ceramics and Composites
  • Process Chemistry and Technology
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

A study of the electric power generation properties of a lead zirconate titanate piezoelectric ceramic. / Okayasu, Mitsuhiro; Watanabe, Keisuke.

In: Ceramics International, Vol. 42, No. 12, 01.09.2016, p. 14049-14060.

Research output: Contribution to journalArticle

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