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http://dx.doi.org/10.5370/KIEE.2010.59.3.581

A Study on the Output Characteristics for the Cantilever Piezoelectric Bimorph  

Kim, Yong-Hyuk (경원대학교 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.59, no.3, 2010 , pp. 581-587 More about this Journal
Abstract
Using piezoelectric elements to harvest energy from ambient vibrations has been of great interest over the past few years. Due to the relatively low power output of piezoelectric materials, there are many study to improve the energy harvesting efficiencies. This paper is study the efficiencies of the output energy considering the cantilever piezoelectric bimorph using aluminum vibration beam. when the length of vibration beam and the piezoelectric body becomes same and the maximum output power comes out. DC voltage was increased as the beam thickness and vibration frequency was increased. The vibration beam was able to achieve very large energy value.
Keywords
Cantilever type; Vibration beam; Piezoelectric bimorph; Energy harvester; Self-generation;
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