ISSN 1000-6818CN 11-1892/O6CODEN WHXUEU
Acta Phys Chim Sin >> 2007,Vol.23>> Issue(04)>> 559-564     doi: 10.1016/S1872-1508(07)60037-0         中文摘要
Preparation of High-alloying Pt-Ru/CMK-3 Catalysts in THF-H2O-EtOH Ternary Solution System
WU Wei; CAO Jie-Ming; CHEN Yu; LU Tian-Hong
Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China; Department of Chemistry, Nanjing Normal University, Nanjing 210097, P. R. China
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The Pt-Ru particles of Pt-Ru/CMK-3 catalyst were found to possess high degree of alloying, small average size, and low relative crystallinity when the Pt-Ru/CMK-3 catalyst was prepared using the general chemical reduction method in the ternary solution system containing tetrahydrofuran (THF), H2O, and ethanol. The Pt-Ru/CMK-3 catalyst showed high electrocatalytic activity for methanol oxidation. It indicated that the alloying degree of Pt-Ru could significantly affect the electrocatalytic activity for methanol oxidation. The Pt-Ru/CMK-3 catalyst with high alloying degree can be obtained because THF and H2PtCl6 can forma complex leading to the reduction potentials of H2PtCl6 and RuCl3, which are close to each other in the aqueous solution with THF.

Keywords: Direct methanol fuel cell   Pt-Ru/C catalyst   Tetrahydrofuran   Alloying degree  
Received: 2006-09-18 Accepted: 2006-12-14 Publication Date (Web): 2007-04-04
Corresponding Authors: CAO Jie-Ming Email:

Cite this article: WU Wei; CAO Jie-Ming; CHEN Yu; LU Tian-Hong. Preparation of High-alloying Pt-Ru/CMK-3 Catalysts in THF-H2O-EtOH Ternary Solution System[J]. Acta Phys. -Chim. Sin., 2007,23 (04): 559-564.    doi: 10.1016/S1872-1508(07)60037-0
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