Design and analysis of a MEMS-based bifurcate-shape piezoelectric energy harvester | Zendy

Yuan Luo | Zendy; Ruyi Gan | Zendy; Shalang Wan | Zendy; Ruilin Xu | Zendy; Hanxing Zhou | Zendy

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Design and analysis of a MEMS-based bifurcate-shape piezoelectric energy harvester

Author(s) -

Yuan Luo,

Ruyi Gan,

Shalang Wan,

Ruilin Xu,

Hanxing Zhou

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4948592

Subject(s) - piezoelectricity , microelectromechanical systems , energy harvesting , voltage , vibration , power (physics) , energy (signal processing) , acceleration , bernoulli's principle , acoustics , power density , proof mass , mechanical energy , beam (structure) , maximum power principle , electrical engineering , physics , engineering , optoelectronics , optics , classical mechanics , quantum mechanics , thermodynamics

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 0.4MΩ. The power density is calculated as 496.79μWmm−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

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