Conductivepolymershavehighlevelsofelectronconductivityin their oxidized state and provide a high level of corrosion protection tometalssuchasstainlesssteel.Thesepolymersshouldnotbefaced with “the formation of passive oxide films”, as observed on some metal-based coatings, and should be more conductive in acidic environments,especiallyinthecathodesideofaPEMFC.Electrode-positionofconductivepolymercoatingshastheadvantageofbeing a highly controllable, relatively low cost process. Though our pri-mary results confirmed the better performance of the composite conducting Ppy/Pani coating than the single Ppy coating, extensive studies are still needed to characterize the corrosion behavior and contact resistance of these coatings in real PEMFC environments. We believe that if an effective corrosion-resistant and conductive coating can be developed, cheaper metal bipolar plates will have wide application potential.