A hybrid piezoelectric micro-power generator for use in low power applications

M׳boungui, G., K. Adendorff, R. Naidoo, A.A. Jimoh and D.E. Okojie

Renewable and Sustainable Energy Reviews, 2015, vol. 49, issue C, 1136-1144

Abstract: In this paper a literature study is carried out to show there is still a tangible gap in terms of what can be achieved from scavenging energy. Indeed, in the framework of energetically autonomous microsystems, we review different existing methods of producing a sufficient amount of energy (at micro Watt level) that eventually need to be stored in a secondary source of power such as a battery or super-capacitor, since an enduring that is a sustainable system must be ensured. In order to minimise the gap mentioned above, the proposed solution that is an energy harvester to focus our own investigations on is described: it is based on a piezoelectric structure using bridge/road vibrations to supply LEDs (electro luminescent diodes with a typical power requirement of a few mW) that can be utilised for traffic regulation lights for example.

Keywords: Energy harvesting; Piezoelectric structure; Milliwatt application (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (3)

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DOI: 10.1016/j.rser.2015.04.143

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