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1. Electrocatalytic properties of graphite nanofibers-supported platinum catalysts for direct methanol fuel cells

Author

Park, Soo-Jin, Park, Jeong-Min, and Seo, Min-Kang

Subjects
*ELECTROCATALYSIS, *GRAPHITE fibers, *NANOSTRUCTURED materials, *PLATINUM catalysts, *METHANOL as fuel, *TEMPERATURE effect, *ELECTROCHEMICAL analysis, *SURFACES (Technology)
Abstract

Abstract: Graphite nanofibers (GNFs) treated at various temperatures were used as carbon supports to improve the efficiency of PtRu catalysts. The electrochemical properties of the PtRu/GNFs catalysts were then investigated to evaluate their potential for application in DMFCs. The results indicated that the particle size and dispersibility of PtRu in the catalysts were changed by heat treatment, and the electrochemical activity of the catalysts was improved. Consequently, it was found that heat treatments could have an influence on the surface and structural properties of GNFs, resulting in enhancing an electrocatalytic activity of the catalysts for DMFCs. [Copyright &y& Elsevier]

Published
2009
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