Improving Direct Methanol Fuel Cell Performance by Using Combinatorial Electrochemistry and Highly Porous Carbon Support

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In order to improve the performance of direct-methanolfuelcell (DMFC) performance, the combinatorial method using a repeated cyclic voltammetry was used to optimize the metal composition for the anodic material and the highlyporouscarbon. which showed the higher Pt dispersion, was investigated using various characterization tools. The activity of newly-developed electrocatalyst, Pt(77)Ru(17)Mo(4)W(2), whose composition was determined through high-throughput screening was more active and stable than Pt(50)Ru(50) in methanol electrooxidation. The Pt particles supported on highlyporouscarbons (Cgl/USY-1 and Csu/MCM-48-2) synthesized with USY zeolite and MCM-48 silica as a template showed the larger electrochemical active surface areas and the higher Pt dispersions, compared to Pt particles supported on Vulcan XC-72R carbon.
Issue Date
2002-06-01
Language
ENG
Citation

4th Tokyo Conference on Advanced Catalytic Science and Technology, pp.0 - 0

URI
http://hdl.handle.net/10203/137804
Appears in Collection
CBE-Conference Papers(학술회의논문)
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