Abstract:Carbon monoxide is a common contaminant in hydrogen produced by the reformation of natural gas and acts as a poison for platinum-based catalysts in hydrogen anodes in polymer electrolyte fuel cells (PEFCs). CO poisoning can be alleviated through the use of Pt skin-covered Pt alloys including first row transition metals, e.g., Pt-Fe, Pt-Co and Pt-Ni, as well as second row transition metals, e.g., Pt-Ru, on which CO is known to adsorb more weakly than on pure Pt.1 Thus, hydrogen would be able to compete more suc… Show more
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