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A study of PtRuO2 catalysts thermally formed on titanium mesh for methanol oxidation

Lookup NU author(s): Emeritus Professor Keith Scott, Professor Paul Christensen, Professor Sudipta Roy

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Abstract

Platinum-based catalysts, for the electro-oxidation of methanol, have been made by thermal decomposition of chloride precursors onto titanium mesh. The catalysed electrodes were successfully operated in acidic methanol electrolytes. Electrochemical characterisation has been carried out using cyclic voltammetry, electrochemical impedance spectroscopy and galvanostatic polarisations. A complete analysis of the electrochemical results showed that the preliminary performance of the catalysed titanium mesh was comparable to that achieved with carbon-supported PtRu catalysts. The catalysts formed on titanium mesh by thermal decomposition also exhibited dimensional stability. Catalysed titanium mesh therefore appears to be a promising alternative to carbon-supported catalysts for certain fuel cell applications. © 2004 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Yang LX, Allen RG, Scott K, Christenson PA, Roy S

Publication type: Article

Publication status: Published

Journal: Electrochimica Acta

Year: 2005

Volume: 50

Issue: 5

Pages: 1217-1223

Print publication date: 15/01/2005

ISSN (print): 0013-4686

ISSN (electronic): 1873-3859

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/j.electacta.2004.07.047

DOI: 10.1016/j.electacta.2004.07.047


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