Abstract:Metal oxides are gaining growing interest as support materials for Pt catalysts in polymer electrolyte fuel cells (PEFCs). They are expected to have higher stability in the oxidative electrochemical environment of a PEFC cathode compared to carbon supports of standard Pt/C catalysts [1]. In this context, SnO2 is one of the most promising candidates. Several studies could already demonstrate the improved durability of SnO2 supported Pt cathode catalysts compared to Pt/C but their oxygen reduction reaction (ORR)… Show more
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