Energy harvesting using the FER–FEO phase transformation in [011] cut single crystal PIN-PMN-PT-Reference-Cited by-同舟云学术

Energy harvesting using the FER–FEO phase transformation in [011] cut single crystal PIN-PMN-PT

Published:2014-03-10 Issue:14 Volume:25 Page:1786-1799
ISSN:1045-389X
Container-title:Journal of Intelligent Material Systems and Structures
language:en
Short-container-title:Journal of Intelligent Material Systems and Structures

Author:

Dong Wen D¹,Finkel Peter²,Amin Ahmed³,Cunefare Kenneth A⁴,Lynch Christopher S¹

Affiliation:

1. Department of Mechanical and Aerospace Engineering, The University of California, Los Angeles, CA, USA

2. Multifunctional Materials Branch, Naval Research Laboratory, Washington, DC, USA

3. Sensors and Sonar Systems Department, Naval Undersea Warfare Center Newport, Newport, RI, USA

4. The G. W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA

Abstract

This study addresses the effects of frequency and load resistance on energy harvesting using a mechanically excited ferroelectric rhombohedral to ferroelectric orthorhombic phase transformation in [011] cut Pb(In1/2Nb1/2)O3–Pb(Mg1/3Nb2/3)O3–PbTiO3 (PIN-PMN-PT) single crystals. The crystals were mechanically driven through the phase transformation, and voltage across a resistive load was measured. The effects of frequency and resistive load on the electrical energy generated were measured. Over the range of frequencies and load impedances tested, the crystals behaved as a charge source. The current increased linearly with frequency, and the voltage increased linearly with load impedance. Impedance matching to maximize the energy harvested is discussed. The energy harvested using the phase transformation was on average 27 times, with a peak of 108 times, the energy harvested using the same crystals operating in the linear piezoelectric regime under the same stress excitation amplitude.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/1045389X14525494

Reference34 articles.

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4. Piezoelectric Energy Harvesting

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