Effect of carbon material on Pd catalyst for formic acid electrooxidation reaction

Effect of several usually used carbon materials on Pd catalyst for formic acid electrooxidation reaction is studied by physical characterization and electrochemical measurements. New active sites are formed due to the Pd and carbon interaction which is confirmed by the XPS measurements, and electrochemical impedance spectroscopy confirms that the presence of the carbon material reduced the charge transfer resistance. Further, an improved fuel cell performance is observed when integrating the carbon-modified Pd catalyst in to a direct formic acid fuel cell. The results reveal that the carbon material is not only used as support, but also involves the new active sites formation. (C) 2014 Elsevier B.V. All rights reserved.


Published in:
Journal Of Power Sources, 266, 481-487
Year:
2014
Publisher:
Amsterdam, Elsevier
ISSN:
0378-7753
Keywords:
Laboratories:




 Record created 2014-08-29, last modified 2018-03-17


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