Nanotechnologies in Russia

, Volume 6, Issue 5–6, pp 311–322 | Cite as

Electrocatalysts for fuel cells synthesized in supercritical carbon dioxide

  • T. E. Grigor’ev
  • E. E. Said-Galiev
  • A. Yu. Nikolaev
  • M. S. Kondratenko
  • I. V. Elmanovich
  • M. O. Gallyamov
  • A. R. Khokhlov
Article

Abstract

We applied the method of directly depositing an organometallic precursor from a solution in supercritical carbon dioxide on a dispersed carbon substrate surface followed by reduction to obtain a number of electrocatalytic materials in the form of nanoscale platinum particles on dispersed carbon supports (Vulcan XC72r carbon black, acetylene black, nanotubes). The synthesized materials persistently showed a monodisperse size distribution of platinum particles with an average diameter of 2–3 nm, regardless of the substrate nature, and a uniform distribution over the support surface. The synthesized electrocatalysts (ECs) were tested as part of an operating cathode electrode of a phosphoric acid fuel cell (FC) with a PBI matrix. In this case, the membrane-electrode assembly with this cathode showed current-voltage characteristics as good as the reference characteristics achieved with electrodes produced by BASF.

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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • T. E. Grigor’ev
    • 1
  • E. E. Said-Galiev
    • 1
  • A. Yu. Nikolaev
    • 1
  • M. S. Kondratenko
    • 2
  • I. V. Elmanovich
    • 2
  • M. O. Gallyamov
    • 1
    • 2
  • A. R. Khokhlov
    • 1
    • 2
  1. 1.Nesmeyanov Institute of Organoelement CompoundsRussian Academy of SciencesMoscowRussia
  2. 2.Faculty of PhysicsMoscow State UniversityMoscowRussia

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