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Electrochemical method for the preparation nanocomposites based on carbon nanotubes and chromium oxides for oxygen electrodes

Abstract

An electrochemical method for the preparation of nanostructured composites based on multiwalled carbon nanotubes and chromium oxide is proposed. The method involves electrodeposition of chromium oxides from a solution of hexavalent chromium oxide in sulfuric acid on carbon nanotubes. By varying the electrolysis conditions one can obtain deposited—catalyst particles of different size and vary the amount of catalyst. Oxygen electrodes have been made from the materials obtained for fuel cells with alkaline electrolyte, which showed good electrocatalytic properties.

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Correspondence to Michail O. Danilov.

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This article is based on our presentation on ABAF-10 International Meeting on Modern batteries, Brno, Czech Republic, 2009.

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Danilov, M.O., Kolbasov, G.Y. Electrochemical method for the preparation nanocomposites based on carbon nanotubes and chromium oxides for oxygen electrodes. J Solid State Electrochem 14, 2169–2172 (2010). https://doi.org/10.1007/s10008-009-0986-z

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  • DOI: https://doi.org/10.1007/s10008-009-0986-z

Keywords

  • Oxygen electrode
  • Alkaline
  • Fuel cell
  • Carbon nanotubes
  • Chromium oxide