Journal
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
Volume 56, Issue 4, Pages 693-699Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TUFFC.2009.1092
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- Ageme Nationale de la Recherche [ANR-06-JCJC-0137-01]
- Agence Nationale de la Recherche (ANR) [ANR-06-JCJC-0137] Funding Source: Agence Nationale de la Recherche (ANR)
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Energy harvesting from temperature variations in a Pb(Zn1/3Nb2/3)(0.955)Ti0.045O3 single crystal was studied and evaluated using the Ericsson thermodynamic cycle. The efficiency of this cycle related to Carnot cycle is 100 times higher than direct pyroelectric energy harvesting, and it can be as high as 5.5% for a 10 degrees C temperature variation and 2 kV/mm electric field. The amount of harvested energy for a 60 degrees C temperature variation and 2 kV/mm electric field is 242.7 mJ.cm(-3). The influence of ferroelectric phase transitions on the energy harvesting performance is discussed and illustrated with experimental results.
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