Electromagnetic ferrofluid-based energy harvester

A. Bibo, R. Masana, A. King, G. Li, M. F. Daqaq

Research output: Contribution to journalArticlepeer-review

Abstract

This Letter investigates the use of ferrofluids for vibratory energy harvesting. In particular, an electromagnetic micro-power generator which utilizes the sloshing of a ferrofluid column in a seismically-excited tank is proposed to transform mechanical motions directly into electricity. Unlike traditional electromagnetic generators that implement a solid magnet, ferrofluids can easily conform to different shapes and respond to very small acceleration levels offering an untapped opportunity to design scalable energy harvesters. The feasibility of the proposed concept is demonstrated and its efficacy is discussed through several experimental studies.

Original languageEnglish (US)
Pages (from-to)2163-2166
Number of pages4
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume376
Issue number32
DOIs
StatePublished - Jun 25 2012

Keywords

  • Electromagnetic
  • Energy harvesting
  • Ferrofluid
  • Sloshing

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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