Nitric acid modified Mesoporous carbon (CMK-3) supported Pt particles have been prepared by chemical reduction with as a reducing agent. Energy dispersive spectrometer shows that the catalysts have some oxygenic functional groups. The activity of the composite catalysts for methanol electro-oxidation was investigated by using cyclic votammogram and chronoamperometry in acid media. The results indicated that modified mesoporous carbon can improve the catalytic ability of Pt catalyst for methanol electro-oxidation and antipoison capability for CO. The composite electrode modified by 0.23 g nitric acid has the highest electrochemical ability.
Effect of Nitric Acid on Modified Mesoporous Carbon as Catalyst Support of Direct Methanol Fuel Cell
College of Environmental and
Contributed by the Advanced Energy Systems Division of ASME for publication in the Journal of Fuel Cell Science and Technology. Manuscript received March 31, 2013; final manuscript received April 22, 2013; published online August 20, 2013. Editor: Nigel M. Sammes.
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Li, Q., Mao, H., Li, J., and Xu, Q. (August 20, 2013). "Effect of Nitric Acid on Modified Mesoporous Carbon as Catalyst Support of Direct Methanol Fuel Cell." ASME. J. Fuel Cell Sci. Technol. October 2013; 10(5): 051006. https://doi.org/10.1115/1.4024835
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