Effect of Zr/Ti ratio on microstructure and electrical properties of pyroelectric ceramics for energy harvesting applications

Qingping Wang, Xue Zhang, Chris R. Bowen, Ming-Yu Li, Jiahui Ma, Shiyong Qiu, Huan Liu, Shenglin Jiang

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

In this paper, Pb[(MnxNb1-x)1/2(MnxSb1-x)1/2]y(ZrzTi1-z)1-yO3 (lead magnesium niobate-lead antimony-manganese-lead zirconate titanate: PMnN-PMS-PZT) ceramics with three different Zi/Ti compositions of 95/5 (Zr95), 85/15 (Zr85) and (Zr85 + Zr95) were successfully fabricated and characterized. The effect of Zr/Ti ratio on the microstructure and electric properties were studied in detail. The pyroelectric coefficient of Zr95 ceramic was 5957 μC/m2K which was more than 2–3 times higher than other reported pyroelectric ceramics. The effect on pyroelectric energy harvesting was systemically investigated via a variation of Zr/Ti compositions in the ceramics, which was directly evaluated by the output power acquired from the data acquisition system. The output power was 25.7 μW, 4.8 μW and 14.2 μW at a composition ratio of Zr95, Zr85 and Zr85 + Zr95, respectively under identical conditions. Among the three Zi/Ti compositions, the best pyroelectric and ferroelectric properties were achieved with Zr95, which indicated that the pyroelectric energy harvesting can be efficiently optimized by the appropriate control of phase structure.

LanguageEnglish
Pages869-874
Number of pages6
JournalJournal of Alloys and Compounds
Volume710
Early online date22 Mar 2017
DOIs
StatusPublished - 5 Jul 2017

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Energy harvesting
Electric properties
Microstructure
Chemical analysis
Lead
Antimony
Phase structure
Manganese
Ferroelectric materials
Magnesium
Data acquisition

Keywords

  • Electrical properties
  • Energy harvesting
  • Pyroelectric ceramic
  • Zr/Ti molar ratio

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Effect of Zr/Ti ratio on microstructure and electrical properties of pyroelectric ceramics for energy harvesting applications. / Wang, Qingping; Zhang, Xue; Bowen, Chris R.; Li, Ming-Yu; Ma, Jiahui; Qiu, Shiyong; Liu, Huan; Jiang, Shenglin.

In: Journal of Alloys and Compounds, Vol. 710, 05.07.2017, p. 869-874.

Research output: Contribution to journalArticle

Wang, Qingping ; Zhang, Xue ; Bowen, Chris R. ; Li, Ming-Yu ; Ma, Jiahui ; Qiu, Shiyong ; Liu, Huan ; Jiang, Shenglin. / Effect of Zr/Ti ratio on microstructure and electrical properties of pyroelectric ceramics for energy harvesting applications. In: Journal of Alloys and Compounds. 2017 ; Vol. 710. pp. 869-874.
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