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Relation between piezoelectric properties of ceramics and output power density of energy harvester

Authors
Choi, Chang-HoiSeo, In-TaeSong, DanielJang, Min-SooKim, Bo-YunNahm, SahnSung, Tae-HyunSong, Hyun-Cheol
Issue Date
7월-2013
Publisher
ELSEVIER SCI LTD
Keywords
Piezoelectric; PZT; Energy harvesting; Power density; Transduction coefficient
Citation
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, v.33, no.7, pp.1343 - 1347
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume
33
Number
7
Start Page
1343
End Page
1347
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/102835
DOI
10.1016/j.jeurceramsoc.2012.12.011
ISSN
0955-2219
Abstract
(1-x)Pb(Zr0.47Ti0.53)O-3-xPb[(Zn0.4Ni0.6)(1/3)Nb-2/3]O-3 [(1-x)PZT-xP(ZN)N] ceramics with 0.26 <= x <= 0.31 were sintered at 1100 degrees C, and their energy harvesters were fabricated. All specimens exhibit a similar energy convergence efficiency. However, the transduction coefficient (d(33) x g(33)) increased with x, reaching 21.5 x 10(-15) m(2)/N for the x = 0.31 specimen; the figure-of-merit of the specimens shows a similar variation. The output energy density of the energy harvester also increased with x, and a high output energy density of 231 mW/cm(3) was obtained for the harvester fabricated using the x = 0.31 specimen, indicating that the d(33) x g(33) value significantly affects the output energy density of the energy harvester. (C) 2013 Elsevier Ltd. All rights reserved.
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