Abstract
A flexible triboelectric nanogenerator (TENG) was fabricated for energy harvesting applications. The TENG consists of polydimethylsiloxane (PDMS) as anode layer, polyvinylidene fluoride (PVDF) as cathode layer, copper film and aluminum tapes as electrodes. The PDMS was prepared by mixing pre-polymer and curing agent in ratios of 10:1 (w/w)) and 5:1 (w/w), and bar coated on to a copper film sequentially. The PVDF film was attached on to an aluminum tape. A thickness of ~200 μm and roughness of ~0.03 μm was measured for the PDMS. The capability of the TENG in terms of open circuit voltage (OCV) and short circuit current (SCC) was demonstrated by subjecting it to frequencies of 3 Hz, 5 Hz and 7 Hz at 30 N. A maximum OCV of 146 V and SCC of 44 μA was measured and a power density of 1.6 mW/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> was calculated, respectively.
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