Nanotech 2012 Vol. 1
Nanotech 2012 Vol. 1
Nanotechnology 2012: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)

Composite Materials Chapter 6

Effect of γ-ray irradiated MWCNTs on electrical conductivity of a PET/graphite composite for a bipolar plate application

Authors: D.H. Kim, Y. Son

Affilation: Kongju National University, Korea

Pages: 543 - 546

Keywords: γ-ray irradiation, MWCNT, graphite composites, bipolar plate

The effects of a compounding method and γ-ray treated multiwall carbon nanotubes (MWCNTs) on the electrical conductivity of graphite/PET composites were investigated. We found that dispersion of MWCNTs in the PET phase plays a critical role in determining the electrical conductivity of graphite/PET/MWCNT composites. Dispersion and electrical conductivity were enhanced by a two-step method in which PET and MWCNTs are compounded in advance and the MWCNT/PET mixture is then compounded again with graphite. It was also observed that γ-ray treated MWCNTs provide enhanced conductivity in the graphite/PET/MWCNT composite. The synergetic effect of the two-step mixing method and γ-ray treatment made it possible to increase the conductivity of graphite/PET composites to a great extent with a very small amount of γ-ray irradiated MWCNTs.

ISBN: 978-1-4665-6274-5
Pages: 804
Hardcopy: $209.95

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