Dual-phase self-biased magnetoelectric energy harvester

Yuan Zhou; Daniel J. Apo; Shashank Priya

doi:10.1063/1.4829151

Dual-phase self-biased magnetoelectric energy harvester

Yuan Zhou, Daniel J. Apo, Shashank Priya

Research output: Contribution to journal › Article › peer-review

84 Scopus citations

Abstract

We report a magnetoelectric energy harvester structure that can simultaneously scavenge magnetic and vibration energy in the absence of DC magnetic field. The structure consisted of a piezoelectric macro-fiber composite bonded to a Ni cantilever. Large magnetoelectric coefficient ∼50 V/cm Oe and power density ∼4.5 mW/cm³ (1 g acceleration) were observed at the resonance frequency. An additive effect was realized when the harvester operated under dual-phase mode. The increase in voltage output at the first three resonance frequencies under dual-phase mode was found to be 2.4%, 35.5%, and 360.7%. These results present significant advancement toward high energy density multimode energy harvesting system.

Original language	English (US)
Article number	192909
Journal	Applied Physics Letters
Volume	103
Issue number	19
DOIs	https://doi.org/10.1063/1.4829151
State	Published - Nov 4 2013
Externally published	Yes

Bibliographical note

Funding Information:
The authors gratefully acknowledge the financial support from the NSF INAMM program (S.P.). The authors also thank the Office of Naval Research for supporting the research (Y. Zhou) through Center for Energy Harvesting Materials and Systems.

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abstract = "We report a magnetoelectric energy harvester structure that can simultaneously scavenge magnetic and vibration energy in the absence of DC magnetic field. The structure consisted of a piezoelectric macro-fiber composite bonded to a Ni cantilever. Large magnetoelectric coefficient ∼50 V/cm Oe and power density ∼4.5 mW/cm3 (1 g acceleration) were observed at the resonance frequency. An additive effect was realized when the harvester operated under dual-phase mode. The increase in voltage output at the first three resonance frequencies under dual-phase mode was found to be 2.4%, 35.5%, and 360.7%. These results present significant advancement toward high energy density multimode energy harvesting system.",

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AU - Priya, Shashank

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N2 - We report a magnetoelectric energy harvester structure that can simultaneously scavenge magnetic and vibration energy in the absence of DC magnetic field. The structure consisted of a piezoelectric macro-fiber composite bonded to a Ni cantilever. Large magnetoelectric coefficient ∼50 V/cm Oe and power density ∼4.5 mW/cm3 (1 g acceleration) were observed at the resonance frequency. An additive effect was realized when the harvester operated under dual-phase mode. The increase in voltage output at the first three resonance frequencies under dual-phase mode was found to be 2.4%, 35.5%, and 360.7%. These results present significant advancement toward high energy density multimode energy harvesting system.

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Dual-phase self-biased magnetoelectric energy harvester

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