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- W2257774067 abstract "We report on synthesis, characterization and the oxygen reduction reaction (ORR) kinetics of Pt monolayer shell on Pd(hollow), or Pd-Au(hollow) core electrocatalysts. Comparison between the ORR catalytic activity of the electrocatalysts with hollow cores and those of Pt solid and Pt hollow nanoparticles has been obtained using the rotating disk electrode technique. Hollow nanoparticles were made using Ni or Cu nanoparticles as sacrificial templates. The Pt ORR specific and mass activities of the electrocatalysts with hollow cores were found considerably higher than those of the electrocatalysts with the solid cores. We attribute this enhanced Pt activity to the smooth surface morphology and hollow-induced lattice contraction, in addition to the mass-saving geometry of hollow particles." @default.
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- W2257774067 date "2013-01-01" @default.
- W2257774067 modified "2023-10-16" @default.
- W2257774067 title "Pt monolayer shell on hollow Pd core electrocatalysts: Scale up synthesis, structure, and activity for the oxygen reduction reaction" @default.
- W2257774067 doi "https://doi.org/10.2298/jsc131024117v" @default.
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