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Laminate composites with enhanced pyroelectric effects for energy harvesting

By Harrison Hoon Seok Chang and Zhaorong Huang


A pyroelectric coefficient enhanced 2-2 connectivity laminate composites' energy harvesting credentials have been assessed. The use of the electrothermal coupling factor for laminate composites (k(Lam)(2)) for such an assessment has been appraised while the experimental samples are evaluated to show a significant improvement in their performance via pyroelectric coefficient enhancement, demonstrative of their great potential in energy harvesting applications. A lead zirconate titanate and stainless steel laminate composite with an 88% pyroelectric coefficient enhancement is shown to increase its maximum power density, efficiency, and electrothermal coupling factor by 254%, while other material pairings have also been evaluated to exhibit great promise in this application owing to a large pyroelectric coefficient enhancement accompanied by a reduction in total thermal mass

Topics: piezoelectric constants conversion optimization temperature efficiency crystals device
Publisher: Institute of Physics
Year: 2010
DOI identifier: 10.1088/0964-1726
OAI identifier:
Provided by: Cranfield CERES

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