Microfabrication and Integration of a Sol-Gel PZT Folded Spring Energy Harvester

Clicks: 204
ID: 37151
2015
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Abstract
This paper presents the methodology and challenges experienced in the microfabrication, packaging, and integration of a fixed-fixed folded spring piezoelectric energy harvester. A variety of challenges were overcome in the fabrication of the energy harvesters, such as the diagnosis and rectification of sol-gel PZT film quality and adhesion issues. A packaging and integration methodology was developed to allow for the characterizing the harvesters under a base vibration. The conditioning circuitry developed allowed for a complete energy harvesting system, consisting a harvester, a voltage doubler, a voltage regulator and a NiMH battery. A feasibility study was undertaken with the designed conditioning circuitry to determine the effect of the input parameters on the overall performance of the circuit. It was found that the maximum efficiency does not correlate to the maximum charging current supplied to the battery. The efficiency and charging current must be balanced to achieve a high output and a reasonable output current. The development of the complete energy harvesting system allows for the direct integration of the energy harvesting technology into existing power management schemes for wireless sensing.
Reference Key
lueke2015microfabricationsensors Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lueke, Jonathan;Badr, Ahmed;Lou, Edmond;Moussa, Walied A.;
Journal sensors
Year 2015
DOI
DOI not found
URL
http://www.mdpi.com/1424-8220/15/6/12218
Keywords Keywords not found

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