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Relation between piezoelectric properties of ceramics and output power density of energy harvester
- Authors
- Choi, Chang-Hoi; Seo, In-Tae; Song, Daniel; Jang, Min-Soo; Kim, Bo-Yun; Nahm, Sahn; Sung, Tae-Hyun; Song, Hyun-Cheol
- Issue Date
- Jul-2013
- Publisher
- Elsevier BV
- Keywords
- Piezoelectric; PZT; Energy harvesting; Power density; Transduction coefficient
- Citation
- Journal of the European Ceramic Society, v.33, no.7, pp 1343 - 1347
- Pages
- 5
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of the European Ceramic Society
- Volume
- 33
- Number
- 7
- Start Page
- 1343
- End Page
- 1347
- ISSN
- 0955-2219
1873-619X
- 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.
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