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Micromachines 2011, 2(2), 274-294; doi:10.3390/mi2020274

Recent Progress in Piezoelectric Conversion and Energy Harvesting Using Nonlinear Electronic Interfaces and Issues in Small Scale Implementation

Université de Lyon, INSA-Lyon, LGEF EA 682, F-69621 Villeurbanne, France
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Received: 2 April 2011 / Revised: 23 May 2011 / Accepted: 25 May 2011 / Published: 3 June 2011
(This article belongs to the Special Issue Energy Harvesting)

Abstract

This paper aims at providing an up-to-date review of nonlinear electronic interfaces for energy harvesting from mechanical vibrations using piezoelectric coupling. The basic principles and the direct application to energy harvesting of nonlinear treatment of the output voltage of the transducers for conversion enhancement will be recalled, and extensions of this approach presented. Latest advances in this field will be exposed, such as the use of intermediate energy tanks for decoupling or initial energy injection for conversion magnification. A comparative analysis of each of these techniques will be performed, highlighting the advantages and drawbacks of the methods, in terms of efficiency, performance under several excitation conditions, complexity of implementation and so on. Finally, a special focus of their implementation in the case of low voltage output transducers (as in the case of microsystems) will be presented. View Full-Text
Keywords: piezoelectric; energy conversion; energy harvesting; energy scavenging; nonlinear piezoelectric; energy conversion; energy harvesting; energy scavenging; nonlinear
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Guyomar, D.; Lallart, M. Recent Progress in Piezoelectric Conversion and Energy Harvesting Using Nonlinear Electronic Interfaces and Issues in Small Scale Implementation. Micromachines 2011, 2, 274-294.

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