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Luyang Chen, Hai Guo, Takeshi Fujita, Akihiko Hirata, Wei Zhang, Akihisa Inoue and Mingwei Chen Nanoporous PdNi Bimetallic Catalyst with Enhanced Electrocatalytic Performances for Electro-oxidation and Oxygen Reduction Reactions Advanced Functional Materials 21

Version of Record online: 8 SEP 2011 | DOI: 10.1002/adfm.201101227

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The nanoporous PdNi (np-PdNi) bimetallic catalyst is fabricated by electrochemical dealloying of a Pd20Ni80 alloy. Residual Ni in the nanoporous alloy can be controlled by tuning dealloying potentials and the eletrocatalysis of the np-PdNi shows evident dependence on the Ni concentrations. The superior electrocatalytic properties of the dealloyed np-PdNi bimetallic catalyst appear to arise from the combined effect of unique bicontinuous nanoporosity and bimetallic synergistic action.

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