Broadband characteristics of vibration energy harvesting using one-dimensional phononic piezoelectric cantilever beams

Nowadays broadband vibration energy harvesting using piezoelectric effect has become a research hotspot. The innovation in this paper is the widening of the resonant bandwidth of a piezoelectric harvester based on phononic band gaps, which is called one-dimensional phononic piezoelectric cantilever...

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Bibliographic Details
Published inPhysica. B, Condensed matter Vol. 410; pp. 5 - 12
Main Authors Chen, Zhongsheng, Yang, Yongmin, Lu, Zhimiao, Luo, Yanting
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier B.V 01.02.2013
Elsevier
Subjects
Broadband
Broadband vibrations
Condensed matter
Energy harvesting
Energy use
Exact sciences and technology
Finite element simulation
General equipment and techniques
Harvesting
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Mathematical analysis
Mathematical models
Phononic crystals
Physics
Piezoelectric cantilever beams
Piezoelectricity
Transducers
Vibration
Vibration band gap
Phononic crystals
Vibration band gap
Broadband vibrations
Piezoelectric cantilever beams
Energy harvesting
Finite element simulation
Phononic crystal
Inorganic compounds
Transition element compounds
Energy recovery
PZT
Cantilever beam
Finite element method
Vibrations
Wide band
Piezoelectric transducers
Analytical method
Frequency response
Microelectromechanical device
Phononic band gap
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Summary:Nowadays broadband vibration energy harvesting using piezoelectric effect has become a research hotspot. The innovation in this paper is the widening of the resonant bandwidth of a piezoelectric harvester based on phononic band gaps, which is called one-dimensional phononic piezoelectric cantilever beams (PPCBs). Broadband characteristics of one-dimensional PPCBs are analyzed deeply and the vibration band gap can be calculated. The effects of different parameters on the vibration band gap are presented by both numerical and finite element simulations. Finally experimental tests are conducted to validate the proposed method. It can be concluded that it is feasible to use the PPCB for broadband vibration energy harvesting and there should be a compromise among related parameters for low-frequency vibrations.
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ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2012.10.029