Development of Carbon Nanotube Reinforced Conductive Polymer Composites for PEM Fuel Cells


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Investigation of conductive polymer composites have been carried out using polypropylene (PP) and polyphenylene sulfonate (PPS) for matrix compound and graphite, carbon black and multi walled carbon nanotubes (MWCNT) for fillers. The comparison of these matrix materials with respect to the resulting electrical conductivity were investigated in depth. The effect of quantity of nanotubes and their dispersion on electrical conductivity and formability was also investigated. It has been found that PPS composites show much higher conductivity, however the high temperature needed for forming, and high viscosity in case of high filler content (50 wt% <) make the processing difficult, therefore the injection molding of the resulting material is currently not possible. Furthermore in contradiction to the literature the addition of MWCNT did not raise the conductivity significantly, therefore the focus have been kept on filler content instead.



Edited by:

T. Berecz, K. Májlinger, I. N. Orbulov and P. J. Szabó




M. Olah and F. Ronkay, "Development of Carbon Nanotube Reinforced Conductive Polymer Composites for PEM Fuel Cells", Materials Science Forum, Vol. 729, pp. 260-265, 2013

Online since:

November 2012




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