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Yunqing Liu and Prof. Caixia Xu Nanoporous PdTi Alloys as Non-Platinum Oxygen-Reduction Reaction Electrocatalysts with Enhanced Activity and Durability ChemSusChem 6

Version of Record online: 23 NOV 2012 | DOI: 10.1002/cssc.201200752

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Digested metals reduce oxygen: A nanoporous PdTi (NP-PdTi) alloy characterized by a 3D bicontinuous network nanostructure can be easily fabricated by a one-step mild dealloying process of PdTiAl (precursor alloy). With a ligament size as small as 6 nm, NP-PdTi shows superior electrocatalytic activity in the oxygen reduction reaction with enhanced specific and mass activities as well as higher methanol tolerance and structure stability relative to Pt/C.

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