Journal
JOURNAL OF POWER SOURCES
Volume 179, Issue 2, Pages 481-488Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2008.01.025
Keywords
formic acid; macrocycle compound; iron-tetrasulfophthalocyanine; platinum electrode; fuel cell
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In this paper, it was found that the electrocatalytic activity of a Pt electrode for the electro-oxidation of formic acid could be dramatically enhanced with the modification of macrocycle compounds, such as iron-tetrasulfophthalocyanine (FeTSPc). The electro-oxidation of formic acid on a modified Pt electrode with FeTSPc occurs mainly through a direct pathway. A series of macrocycle compounds were also investigated as modifiers and exhibited a promotion effect similar to the Pt electrode. Therefore, platinum-macrocycle co-catalysts can promote the electro-oxidation of formic acid through a highly effective route, and are potential catalyst materials for a direct formic acid fuel cell (DFAFC). (C) 2008 Published by Elsevier B.V.
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