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Russian Journal of Electrochemistry

, Volume 54, Issue 6, pp 561–565 | Cite as

PtIr/C Catalysts Synthesized by Electrochemical Dispersion Method for Proton Exchange Membrane Fuel Cells

  • A. B. Kuriganova
  • I. N. Leont’ev
  • N. V. Smirnova
Article
  • 23 Downloads

Abstract

PtIr/C electrocatalyst with the metal phase uniformly distributed over the carbon support surface and the average size of PtIr nanoparticles of 5.9 nm is synthesized by electrochemical dispersion of Pt90Ir10 alloy under the action of alternating pulse current. It is shown that the presence of iridium within the composition of a Pt/C catalyst lowers down the overpotential of CO oxidation and increases catalyst’s specific activity with respect to electrochemical oxidation of ethanol.

Keywords

iridium platinum electrochemical dispersion electrocatalysis fuel cell 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • A. B. Kuriganova
    • 1
  • I. N. Leont’ev
    • 2
  • N. V. Smirnova
    • 1
  1. 1.Platov South Russian State Polytechnic UniversityNovocherkassk, Rostov oblastRussia
  2. 2.South Federal UniversityRostov-on-DonRussia

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