The objective of the present work is to develop and characterize
conducting polymer composite plates for direct methanol fuel cell
applications. The effect of the exposure of bipolar plate composites
to methanol on the thermal stability, thermal conductivity, electrical
conductivity and mechanical properties (flexural strength)
was investigated. For these purposes three kinds of graphite polymer
composites were developed and characterized before and after
the methanol exposure. In-plane electrical conductivity, mechanical
properties, thermal stability and through thermal conductivity
using Laser Flash technique were determined.