Harvesting vibration energy using two modal vibrations of a folded piezoelectric device

This letter reports a piezoelectric vibration energy harvester that uses the local lateral resonant modes of a folded structure to widen the operation frequency band. In addition, energy conversion efficiency is improved. A prototype energy harvester was fabricated and tested. The output power achieved two power peaks: 0.43 mW at 97 Hz and 6.64 mW at 120.9 Hz. The output power remained above 20 μW within the operation frequency band that ranged from 88 Hz to 177 Hz when the energy harvester was driven with a vibration of 0.7 g peak acceleration. The output power remained higher than half of one of the maximum power peaks (0.43 mW) between 95 Hz and 101 Hz. Meanwhile, it remained higher than half of the other maximum power peak (6.64 mW) between 120.5 Hz and 123.8 Hz.

[1]  P. Hagedorn,et al.  A piezoelectric bistable plate for nonlinear broadband energy harvesting , 2010 .

[2]  Muhammad R. Hajj,et al.  Global nonlinear distributed-parameter model of parametrically excited piezoelectric energy harvesters , 2012 .

[3]  Andres F. Arrieta,et al.  An experimentally validated double-mass piezoelectric cantilever model for broadband vibration–based energy harvesting , 2012 .

[4]  Siyuan He,et al.  Improving Power Density of a Cantilever Piezoelectric Power Harvester Through a Curved L-Shaped Proof Mass , 2010, IEEE Transactions on Industrial Electronics.

[5]  Muhammad R. Hajj,et al.  Energy harvesting from a multifrequency response of a tuned bending–torsion system , 2012 .

[6]  Abdessattar Abdelkefi,et al.  Comparative modeling of low-frequency piezomagnetoelastic energy harvesters , 2014 .

[7]  Abdessattar Abdelkefi,et al.  Theoretical modeling and nonlinear analysis of piezoelectric energy harvesting from vortex-induced vibrations , 2014 .

[8]  Mohammed F. Daqaq,et al.  Electromechanical Modeling and Nonlinear Analysis of Axially Loaded Energy Harvesters , 2011 .

[9]  Muhammad R. Hajj,et al.  Effects of nonlinear piezoelectric coupling on energy harvesters under direct excitation , 2012 .

[10]  Abdessattar Abdelkefi,et al.  An energy harvester using piezoelectric cantilever beams undergoing coupled bending–torsion vibrations , 2011 .

[11]  Abdessattar Abdelkefi,et al.  Piezoelectric energy harvesting from concurrent vortex-induced vibrations and base excitations , 2014 .

[12]  Dimitrios Peroulis,et al.  Wide-bandwidth, meandering vibration energy harvester with distributed circuit board inertial mass , 2012 .

[13]  Robert F. Richards,et al.  Efficiency of energy conversion by piezoelectrics , 2006 .

[14]  Hyung-Jo Jung,et al.  Broadband energy-harvesting using a two degree-of-freedom vibrating body , 2011 .

[15]  Adrien Badel,et al.  Self-powered nonlinear harvesting circuit with a mechanical switch structure for a bistable generator with stoppers , 2014 .

[16]  D. J. Inman,et al.  Parametric Study of Zigzag Microstructure for Vibrational Energy Harvesting , 2012, Journal of Microelectromechanical Systems.

[17]  Alper Erturk,et al.  M-shaped asymmetric nonlinear oscillator for broadband vibration energy harvesting: Harmonic balance analysis and experimental validation , 2014 .

[18]  Paul K. Wright,et al.  A piezoelectric vibration based generator for wireless electronics , 2004 .

[19]  Zhihua Feng,et al.  Right-angle piezoelectric cantilever with improved energy harvesting efficiency , 2010 .