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- W2367769063 abstract "A novel sponge-like spherical nanoporous platinum(NPs-Pt) was generated through a facile way of electrodeposition followed by chemical etching at room temperature.First,a Pt-Cu alloy nanoparticles was electrodeposited on a glassy carbon electrode(GCE) using cyclic voltammetry(CV),and then Cu was etched off from the alloy in HNO3.FE-SEM,XPS,XRD and CV were used for characterization.Optimal conditions for the preparation were investigated.The NPs-Pt modified electrode(NPs-Pt/GCE) exhibited excellent electrocatalytic activity toward the oxygen reduction reaction(ORR).Moreover,the peak current of ORR at NPs-Pt/GCE was 4 times higher than the correspondingly prepared Pt nanoparticles modified electrode,showing much higher current sensitivity.The preparation method for the sponge-like nanoporous structure and the NPs-Pt modified electrode can be expected to have promising applications in the field of fuel cells and biosensors." @default.
- W2367769063 created "2016-06-24" @default.
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- W2367769063 date "2008-01-01" @default.
- W2367769063 modified "2023-09-28" @default.
- W2367769063 title "Fabrication of sponge-like nanoporous platinum electrocatalysts for oxygen reduction through alloying and dealloying processes" @default.
- W2367769063 hasPublicationYear "2008" @default.
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