Multicomponent nanoporous metals prepared by dealloying Pd80−xNixP20 metallic glasses

•Pd-based nanoporous metals were prepared by dealloying Pd80−xNixP20 glasses.•The composition and pore size of the nanoporous metals are tunable.•The Pd-based nanoporous metals show superior catalytic activity.

We report the formation of Pd-based multicomponent nanoporous metals by electrochemically dealloying the Pd80−xNixP20 metallic glasses. It was found that both the compositions and the pore sizes of the nanoporous metals can be tailored by the Ni content in the glassy Pd80−xNixP20 precursors. Moreover, the Pd-based nanoporous metal with the optimized composition and the pore size exhibits better electrocatalytic performance towards the oxidation of the formic acid when compared with the commercial Pd/C catalyst.

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