4.8 Article

A Hybrid Piezoelectric Structure for Wearable Nanogenerators

Journal

ADVANCED MATERIALS
Volume 24, Issue 13, Pages 1759-1764

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201200150

Keywords

wearable electronics; nanogenerators; poly(vinylidene fluoride) (PVDF); ZnO nanowires; energy harvesting

Funding

  1. Samsung
  2. DARPA [HR0011-09-C-0142]
  3. US Department of Energy
  4. Office of Basic Energy Sciences
  5. Division of Materials Sciences and Engineering [DE-FG02-07ER46394]

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A hybrid-fiber nanogenerator comprising a ZnO nanowire array, PVDF polymer and two electrodes is presented. Depending on the bending or spreading action of the human arm, at an angle of similar to 90 degrees, the hybrid fiber reaches electrical outputs of similar to 0.1 V and similar to 10 nA cm(-2). The unique structure of the hybrid fiber may inspire future research in wearable energy-harvesting technology.

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