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27 March 2012 Development of d33-mode piezocomposite generating element
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Recently, piezocomposite generating elements (PCGEs) have been proposed for improving the electricity generation performance of piezoceramic wafers. The residual stress in the PZT layer after curing is one of the main reasons for PCGE's enhanced performance, and the outer epoxy-based composites protect the brittle PZT layer. In this work, we propose a d33-mode PCGE that can be used for energy harvesting. The piezoelectric coefficient d33 of the generating element was used as a measure of the electricity generating performance. We fabricated several PCGEs and conducted energy harvesting experiments to verify the concept of the d33-mode coefficient of generating element.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun Zhao, Zhefeng Xuan, and Nam Seo Goo "Development of d33-mode piezocomposite generating element", Proc. SPIE 8341, Active and Passive Smart Structures and Integrated Systems 2012, 83411W (27 March 2012); doi: 10.1117/12.914691;

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