Energy harvesting from fluid-induced buckling of ionic polymer metal composites

Filippo Cellini, Youngsu Cha, Maurizio Porfiri

Research output: Contribution to journalArticle

Abstract

In this article, we assess the feasibility of energy harvesting from mechanical buckling of ionic polymer metal composites induced by a steady fluid flow. Specifically, we consider an underwater energy harvester composed of a paddle wheel, a slider-crank mechanism, and two ionic polymer metal composites clamped at both their ends. To enhance electromechanical transduction, the electrodes of the ionic polymer metal composites are split into three parts via a selective platinum deposition process. The system is installed in a water tunnel and experiments are performed to elucidate the influence of both the flow speed and the shunting resistance on energy harvesting. To provide a theoretical interpretation of the experimental results, the classical post-buckling theory of inextensible elastic beams is adapted to predict mechanical deformations and a lumped-circuit model is utilized to estimate the harvested power.

Original languageEnglish (US)
Pages (from-to)1496-1510
Number of pages15
JournalJournal of Intelligent Material Systems and Structures
Volume25
Issue number12
DOIs
StatePublished - 2014

Fingerprint

Energy harvesting
Buckling
Polymers
Metals
Fluids
Composite materials
Harvesters
Platinum
Flow of fluids
Wheels
Tunnels
Electrodes
Water
Networks (circuits)
Experiments

Keywords

  • Buckling
  • energy harvesting
  • ionic polymer metal composite
  • Savonius rotor
  • underwater applications

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering

Cite this

Energy harvesting from fluid-induced buckling of ionic polymer metal composites. / Cellini, Filippo; Cha, Youngsu; Porfiri, Maurizio.

In: Journal of Intelligent Material Systems and Structures, Vol. 25, No. 12, 2014, p. 1496-1510.

Research output: Contribution to journalArticle

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