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Published on: June 17, 2014
A composite generator film impregnated with cellulose nanocrystals for enhanced triboelectric performance
Jun Peng1, Huilong Zhang2, Qifeng Zheng3
1Polymer Engineering Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA. turng@engr.wisc.edu and Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, USA.
Abstract:
A novel polydimethylsiloxane (PDMS)/cellulose nanocrystal flake (CNCF) composite triboelectric nanogenerator (CTG) using CNCFs as effective dielectrics exhibited a 10-times-enhanced triboelectric performance compared with its pure PDMS counterpart. Positive charges generated on the surface of the CNCFs during cyclic compression boosted electron transfer and induced extra charges. The CTG exhibited an instantaneous output power (density) of 1.65 mW (0.76 mW cm-2) under continuous operation.
