Preparation of corrosion-resistant and conductive trivalent Cr-C coatings on 304 stainless steel for use as bipolar plates in proton exchange membrane fuel cells by electrodeposition

Cross-sectional SEM image of the Cr-C coated ss304 BPP channel obtained from electroplating for 10 min. The Cr-C coatings with red arrows are continuous, smooth and no through crack deposited on channel.256