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题名: PtRu/Ti anodes with varying Pt : Ru ratio prepared by electrodeposition for the direct methanol fuel cell
作者: Shao, ZG;  Zhu, FY;  Lin, WF;  Christensen, PA;  Zhang, HM
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2006
DOI: 10.1039/b604939g
卷: 8, 期:23, 页:2720-2726
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: PtRu/Ti anodes with varying Pt : Ru ratio were prepared by electrodeposition of a thin PtRu catalyst layer onto Ti mesh for a direct methanol fuel cell (DMFC). The morphology and structure of the catalyst layers were analyzed by SEM, EDX and XRD. The catalyst coating layer shows an alloy character. The relative activities of the PtRu/Ti electrodes were assessed and compared in half cell and single DMFC experiments. The results show that these electrodes are very active for the methanol oxidation and that the optimum Ru surface coverage was ca. 9 at.% for DMFC operating at 20 degrees C and 11 at.% at 60 degrees C. The PtRu/Ti anode shows a performance comparable to that of the conventional carbon-based anode in a DMFC operating with 0.25 M or 0.5 M methanol solution and atmosphere oxygen gas at 90 degrees C.
关键词[WOS]: ELECTROCHEMICAL CHARACTERIZATION ;  SURFACE-AREA ;  ELECTROOXIDATION ;  OXIDATION ;  ALLOYS ;  CATALYSTS ;  PLATINUM ;  CO ;  ELECTROCATALYSIS ;  BEHAVIOR
语种: 英语
WOS记录号: WOS:000238130000008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140324
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Newcastle Upon Tyne, Sch Chem Engn & Adv Mat, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian, Peoples R China

Recommended Citation:
Shao, ZG,Zhu, FY,Lin, WF,et al. PtRu/Ti anodes with varying Pt : Ru ratio prepared by electrodeposition for the direct methanol fuel cell[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2006,8(23):2720-2726.
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