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Citation: 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 Physico-Chimica Sinica, ;2007, 23(04): 559-564. doi: 10.1016/S1872-1508(07)60037-0 shu

Preparation of High-alloying Pt-Ru/CMK-3 Catalysts in THF-H₂O-EtOH Ternary Solution System

1.
Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China; Department of Chemistry, Nanjing Normal University, Nanjing 210097, P. R. China

Received Date: 18 September 2006
Available Online: 4 April 2007

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.
- Direct methanol fuel cell; Pt-Ru/C catalyst; Tetrahydrofuran; Alloying degree
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation of High-alloying Pt-Ru/CMK-3 Catalysts in THF-H2O-EtOH Ternary Solution System

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通讯作者: 陈斌, bchen63@163.com

Preparation of High-alloying Pt-Ru/CMK-3 Catalysts in THF-H₂O-EtOH Ternary Solution System