Promotion of Platinum Electrocatalyst by Hydrous Ruthenium Oxide for Methanol Oxidation

Chinese Journal of Catalysis ›› 2009, Vol. 30 ›› Issue (6): 485-489.

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Promotion of Platinum Electrocatalyst by Hydrous Ruthenium Oxide for Methanol Oxidation

MA Junhong1, YU Jie2, ZHAO Dan2, WANG Anjie1, XU Boqing2,*

1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, Liaoning, China 2Innovative Catalysis Program, Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry,Tsinghua University, Beijing 100084, China

Received:2009-06-25 Online:2009-06-25 Published:2013-03-22

Abstract

Abstract: A series of Pt-(RuOxHy)m/MWCNTs electrocatalysts (m denotes atomic Ru/Pt ratio) with hydrous ruthenium oxide (RuOxHy) as an exclusive species of the ruthenium component were prepared by sequential loading RuOxHy and Pt on the multi-walled carbon nanotube support. The effects of composition and pretreatment potential on the electrocatalytic activity of Pt were investigated. The results clearly showed that RuOxHy is a very effective promoter of Pt electrocatalyst for methanol electro- oxidation.

Key words: direct methanol fuel cell, platinum, hydrous ruthenium oxide, electrocatalysis

MA Junhong;YU Jie;ZHAO Dan;WANG Anjie;XU Boqing;*. Promotion of Platinum Electrocatalyst by Hydrous Ruthenium Oxide for Methanol Oxidation[J]. Chinese Journal of Catalysis, 2009, 30(6): 485-489.

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Promotion of Platinum Electrocatalyst by Hydrous Ruthenium Oxide for Methanol Oxidation

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