Simulation and Fabrication of Wagon-Wheel-Shaped Piezoelectric Transducer for Raindrop Energy Harvesting Application

Chin Hong Wong, Zuraini Dahari, Mohammad Hafizuddin Jumali, Khairudin Mohamed, Julie Juliewatty Mohamed

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Harvesting vibrational energy from impacting raindrops using piezoelectric material has been proven to be a promising approach for future outdoor applications, providing a good alternative resource that can be applied in outdoor rainy environments. We present herein an optimum novel polyvinylidene fluoride (PVDF) piezoelectric transducer specifically developed to harvest raindrop energy. The finite-element method was applied for simulation and optimization of the piezoelectric raindrop energy harvester (PREH) using COMSOL Multiphysics software, investigating the electrical potential, surface charge density, and total displacement for different transducer dimensions. According to the simulation results, the structure that generated the highest electrical potential and surface charge density was a wagon-wheel-shaped structure consisting of six spokes with wheel diameter of 30 mm, spoke width of 2 mm, center pad diameter of 6 mm, and thickness of 25 μm. This optimum wagon-wheel-shaped device was then fabricated by spin coating of PVDF, sputtering of aluminum, a poling process, and computer numerical control machining of a polytetrafluoroethylene stand. The fabricated PREH was characterized by x-ray diffraction analysis and Fourier-transform infrared spectroscopy. Finally, the fabricated PREH was tested under actual rain conditions with an alternating current to direct current converter connected in parallel, revealing that a single cell could generate average peak voltage of 22.5 mV and produce electrical energy of 3.4 nJ from ten impacts in 20 s.

Original languageEnglish
Pages (from-to)1587-1597
Number of pages11
JournalJournal of Electronic Materials
Volume46
Issue number3
DOIs
Publication statusPublished - 1 Mar 2017

Fingerprint

raindrops
Piezoelectric transducers
Harvesters
Energy harvesting
piezoelectric transducers
wheels
Wheels
Surface charge
Charge density
Fabrication
fabrication
spokes
vinylidene
simulation
Piezoelectric materials
Polytetrafluoroethylene
Spin coating
fluorides
Aluminum
Polytetrafluoroethylenes

Keywords

  • energy harvesting
  • fabrication
  • piezoelectric
  • PVDF
  • raindrop energy
  • vibration

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Simulation and Fabrication of Wagon-Wheel-Shaped Piezoelectric Transducer for Raindrop Energy Harvesting Application. / Wong, Chin Hong; Dahari, Zuraini; Jumali, Mohammad Hafizuddin; Mohamed, Khairudin; Mohamed, Julie Juliewatty.

In: Journal of Electronic Materials, Vol. 46, No. 3, 01.03.2017, p. 1587-1597.

Research output: Contribution to journalArticle

Wong, Chin Hong ; Dahari, Zuraini ; Jumali, Mohammad Hafizuddin ; Mohamed, Khairudin ; Mohamed, Julie Juliewatty. / Simulation and Fabrication of Wagon-Wheel-Shaped Piezoelectric Transducer for Raindrop Energy Harvesting Application. In: Journal of Electronic Materials. 2017 ; Vol. 46, No. 3. pp. 1587-1597.
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