Compact and Low-Frequency Vibration Energy Scavenger using the longitudinal excitation of a piezoelectric bar

13th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications

物理学;能源学

Colin, M.^1 ; Mortier, Q.^1 ; Basrour, S.^2 ; Bencheikh, N.^3

University Grenoble Alpes, TIMA, F-38031 Grenoble, France^1

CNRS, TIMA, F-38031 Grenoble, France^2

Cedrat Technologies S.A., 38246 Meylan Cedex, France^3

关键词: Inter-digitated electrodes;    Longitudinal excitations;    Low-frequency;    Low-frequency vibration;    Piezoelectric elements;    Piezoelectric harvester;    Vibration energies;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/476/1/012135/pdf
DOI  :  10.1088/1742-6596/476/1/012135

来源: IOP

【 摘 要 】

This paper introduces an innovative architecture of a piezoelectric harvester, which enables harvesting vibration energy at low frequency using the {33}-transduction mode of a piezoelectric element. Unlike cantilevers integrating ferroelectric material combined with interdigitated electrodes, the concept that we propose is based on the elongation/compression excitation of a piezoelectric bar.