Journal
AIP ADVANCES
Volume 6, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4948592
Keywords
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Funding
- Chongqing Science and Technology Commission [cstc2015jcyjB0241, cstc2014zktjccxBX0065]
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This paper presents a novel piezoelectric energy harvester, which is a MEMS-based device. This piezoelectric energy harvester uses a bifurcate-shape. The derivation of the mathematical modeling is based on the Euler-Bernoulli beam theory, and the main mechanical and electrical parameters of this energy harvester are analyzed and simulated. The experiment result shows that the maximum output voltage can achieve 3.3V under an acceleration of 1g at 292.11Hz of frequency, and the output power can be up to 0.155mW under the load of 0.4M Omega. The power density is calculated as 496.79 mu Wmm(-3). Besides that, it is demonstrated efficiently at output power and voltage and adaptively in practical vibration circumstance. This energy harvester could be used for low-power electronic devices. (C) 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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