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题名: Preparation and characterization of carbon-supported PtRuIr catalyst with excellent CO-tolerant performance for proton-exchange membrane fuel cells
作者: Liang, YM;  Zhang, HM;  Zhong, HX;  Zhu, XB;  Tian, ZQ;  Xu, DY;  Yi, BL
通讯作者: 张华民
关键词: proton exchange membrane fuel cells ;  anode catalyst ;  carbon monoxide oxidation ;  microwave irradiation ;  polyol ;  PtRuIr
刊名: JOURNAL OF CATALYSIS
发表日期: 2006-03-10
DOI: 10.1016/j.jcat.2006.01.005
卷: 238, 期:2, 页:468-476
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 303
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A PtRuIr/C catalyst was prepared using a microwave-irradiated polyol plus annealing (MIPA) synthesis strategy and characterized by a series of techniques. The results are discussed in comparison with those for PtRu/C catalyst prepared in the same way;, they show insignificant difference in particle morphology, particle size, size distribution, phase structure, and compositional homogeneity. CO stripping voltammetry and single-proton exchange membrane fuel cell tests reveal that including Ir in the PtRu system results in an excellent COads electro-oxidation activity. Based on exploration of the structure-performance relationship, a speculative mechanism for the superior performance of the PtRuIr/C catalyst is proposed that suggests that the enhanced performance is attributed mainly to the interaction between RuO2 and IrO2, leading to facile oxidation of COads on active metal sites at a lower potential relative to the PtRu/C analogue. (c) 2006 Elsevier Inc. All rights reserved.
关键词[WOS]: PT-RU ALLOY ;  METHANOL ELECTROOXIDATION ;  ELECTROCATALYTIC ACTIVITY ;  OXYGEN EVOLUTION ;  ANODE CATALYST ;  PARTICLE-SIZE ;  NANOPARTICLES ;  OXIDATION ;  ELECTRODES ;  MO
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000235625100025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93839
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.Chinese Acad Sci, Dalian Inst Chem Phys, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Liang, YM,Zhang, HM,Zhong, HX,et al. Preparation and characterization of carbon-supported PtRuIr catalyst with excellent CO-tolerant performance for proton-exchange membrane fuel cells[J]. JOURNAL OF CATALYSIS,2006,238(2):468-476.
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