Magnetic Nanocomposite Cilia Energy Harvester

Mohammed Asadullah Khan, Ahmed Alfadhel, Jürgen Kosel

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

An energy harvester capable of converting low frequency vibrations into electrical energy is presented. The operating principle, fabrication process and output characteristics at different frequencies are discussed. The harvester is realized by fabricating an array of polydimethylsiloxane (PDMS) - iron nanowire nanocomposite cilia on a planar coil array. Each coil element consists of 14 turns and occupies an area of 600 μm x 600μm. The cilia are arranged in a 12x5 array and each cilium is 250 μm wide and 2 mm long. The magnetic characteristics of the fabricated cilia indicate that the nanowires are well aligned inside of the nanocomposite, increasing the efficiency of energy harvesting. The energy harvester occupies an area of 66.96 mm2 and produces an output r.m.s voltage of 206.47μV, when excited by a 40 Hz vibration of 1 mm amplitude.
Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalIEEE Transactions on Magnetics
Volume52
Issue number7
DOIs
StatePublished - Feb 11 2016

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