Novel Advances in Microsystems Technologies and Their Applications

13	Power Density Limits and Benchmarking of Resonant Piezoelectric Vibration Energy Harvesters A. Dompierre, S. Vengallatore and L.G. Fréchette

CONTENTS

13.1    Introduction

13.2    Energy Transfer in PVEH Devices

13.3    Single Degree of Freedom Model of PVEH

13.4    Limit Based on Inertial Coupling

3.4.1    Inertial Coupling Limit of Linear Resonator

13.5    Stress-Based Limits

13.5.1    Power Density Reduction with Stress Distribution: Case of the Cantilever

13.6    Electromechanical Conversion

13.6.1    Geometric Considerations

13.6.2    Piezoelectric Material Considerations

13.7    Electric Energy Extraction

13.7.1    Resistive Load

13.7.2    Non-linear Extraction Interfaces

13.8    Benchmarking

13.8.1    Normalized Power Density

13.8.2    Piezoelectric ...