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

Title
Relation between piezoelectric properties of ceramics and output power density of energy harvester
Authors
송현철남산최창회서인태다니엘 송장민수김보연성태현
Keywords
Piezoelectric; PZT; Energy harvesting; Power density; transduction coefficient
Issue Date
2013-07
Publisher
Journal of the European Ceramic Society
Citation
VOL 33, NO 7-1347
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.
URI
http://pubs.kist.re.kr/handle/201004/66265
ISSN
0955-2219
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KIST Publication > Article
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