Abstract:In current research on oxygen reduction reaction (ORR) catalysts for polymer electrolyte fuel cell (PEFC) cathodes, metal oxide supported Pt nanoparticles are considered to be one promising alternative to the standard carbon supported Pt, which offers the possibility of higher durability in the oxidizing environment at the PEFC cathode [1]. Detailed studies of the stability of Pt/metal oxide catalysts require the determination of the structure and surface area of the Pt nanoparticles during electrochemical dur… Show more
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