Integrated Piezoelectric Energy Harvesting and Organic Storage System

Mohammad Y. Al-Haik, Muhammad R. Hajj

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

An experimental investigation of an integrated piezo-electric based energy harvester and an organic energy storage device is performed. The energy is harvested from a vibrating composite unimorph beam. The storage device is made out of an organic semiconductor material and storage elements from synthesized nanoparticles. The semiconducting polymer is obtained by blending poly (vinyl alcohol) and poly (acrylic acid) in crystal state polymers with sorbitol acting as the plasticizer. Zinc-Oxide nanoparticles with a diameter size between 50 and 70 nm are used as charge storage elements. A piezoelectric energy generation element made out of macro-fiber composite is used to harvest the energy from the vibrating beam. The harvested energy is stored in the organic capacitor. The performance of the organic device is evaluated through its comparison with commercial capacitors. The results show that the voltage produced was high enough to store the harvested energy in the organic capacitor. The charge and energy levels of the organic capacitor are reported.

Original languageEnglish
Pages (from-to)113-119
Number of pages7
JournalEnergy Harvesting and Systems
Volume3
Issue number2
DOIs
StatePublished - 2016

Keywords

  • energy harvesting
  • organic capacitor
  • piezoelectric
  • unimorph beam
  • zinc-oxide particles

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