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Micromachines 2013, 4(2), 168-196; doi:10.3390/mi4020168

Review on Electrodynamic Energy Harvesters—A Classification Approach

Laboratory of Micro Actuators, University of Freiburg, IMTEK, Georges-Köhler-Allee 102, 79110 Freiburg, Germany
Author to whom correspondence should be addressed.
Received: 29 December 2012 / Revised: 20 January 2013 / Accepted: 22 January 2013 / Published: 29 April 2013
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Beginning with a short historical sketch, electrodynamic energy harvesters with focus on vibration generators and volumes below 1dm3 are reviewed. The current challenges to generate up to several milliwatts of power from practically relevant flows and vibrations are addressed, and the variety of available solutions is sketched. Sixty-seven different harvester concepts from more than 130 publications are classified with respect to excitation, additional boundary conditions, design and fabrication. A chronological list of the harvester concepts with corresponding references provides an impression about the developments. Besides resonant harvester concepts, the review includes broadband approaches and mechanisms to harvest from flow. Finally, a short overview of harvesters in applications and first market ready concepts is given.
Keywords: review; electrodynamic energy harvesting; electromagnetic linear generators; power MEMS review; electrodynamic energy harvesting; electromagnetic linear generators; power MEMS
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

Cepnik, C.; Lausecker, R.; Wallrabe, U. Review on Electrodynamic Energy Harvesters—A Classification Approach. Micromachines 2013, 4, 168-196.

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