AbstractIn this study, the potential of conductive polymer composites based on graphite‐filled polymer blend for achieving high‐performance polymer electrolyte membrane fuel cell (PEMFC) bipolar plates (BPs) was investigated. Maleic anhydride grafted polypropylene‐compatibilized polypropylene (PP)/epoxy blend was selected as the matrix due to its good combination of mechanical strength and ductility, and its potential to form a co‐continuous morphology, which promotes the selective distribution of the filler in one of the polymer phases and formation of high electrical performance‐CPCs. PP/epoxy/graphite composites, with varying amounts of graphite, were prepared by melt mixing followed by compression molding, and then characterized. The results obtained showed that in‐plane and through‐plane electrical conductivities increased with an increase in graphite content while the flexural strength increased with graphite content up to a maximum value of 54.36 MPa at 70 wt% graphite, and then decreased to 40.16 MPa at 80 wt% graphite. The PP/epoxy/80 wt% graphite composite has the most promising combination of properties for BP application. While the PP/epoxy/80 wt% graphite composite exhibited in‐plane and through‐plane conductivities (68.03 and 3.211 Scm−1, respectively) that are still below the targets set by the United States Department of Energy (DOE), its flexural strength and modulus (40.16 and 11.47 GPa, respectively), density (1.77 gcm−3), and water absorption (0.098%) satisfy the DOE targets.