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Journal of Applied Electrochemistry

, Volume 30, Issue 7, pp 839–844 | Cite as

RRDE study of oxygen reduction on Pt nanoparticles inside Nafion®: H2O2 production in PEMFC cathode conditions

  • O. Antoine
  • R. Durand
Article

Abstract

Dihydrogen peroxide production on platinum particles supported on carbon inside a proton exchange membrane (Nafion®), that is, under the working conditions of PEMFC cathodes, is rather small at the usual oxygen reduction potentials. As on bulk platinum, a four-electron mechanism appears to be the main pathway, with particle size and carbon substrate effects on the H2O2 production. A large increase in the H2O2 contribution takes place at low potentials, that is, at the working potentials of PEMFC anodes.

dihydrogen peroxide nanoparticle oxygen reduction reaction platinum rotating ring-disc electrode size effect 

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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • O. Antoine
    • 1
  • R. Durand
    • 1
  1. 1.Laboratoire d'Electrochimie et de Physicochimie des Matériaux et des Interfaces(U.M.R. CNRS-INPG 5631 associated to UJF), ENSEEGSaint Martin d'Heres CedexFrance

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