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题名: Highly stable PtRuTiOx/C anode electrocatalyst for direct methanol fuel cells
作者: Tian, Juan;  Sun, Gongquan;  Jiang, Luhua;  Yan, Shiyou;  Mao, Qing;  Xin, Qin
通讯作者: 孙公权
关键词: direct methanol fuel cell ;  PtRu electrocatalyst ;  titanium oxide ;  thermal treatment ;  durability
刊名: ELECTROCHEMISTRY COMMUNICATIONS
发表日期: 2007-04-01
DOI: 10.1016/j.elecom.2006.10.034
卷: 9, 期:4, 页:563-568
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 305
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: In the present investigation, PtRuTiOx/C electrocatalyst was prepared by a modified polyol synthesis method and the as-prepared electrocatalyst was treated under the reductive atmosphere (30 vol% H-2 in Ar) at 500 degrees C for 2 h (denoted as PtRuTiOx/C-500) to enhance the interaction between the metal particles and the support. For comparison, the commercial PtRu/C electrocatalyst was also treated by the same procedure as PtRuTiOx/C (denoted as PtRu/C-500). Transmission electron microscopy results indicated that PtRuTiOx/C electrocatalyst exhibited not only a uniform dispersion and narrow size distribution with a smaller particle size, but also excellent stability during the thermal treatment. In contrast, the commercial PtRu/C electrocatalyst is not stable during the thermal treatment and the metal particles greatly agglomerated. The results of CO-stripping voltammetry, single direct methanol fuel cell tests and life-time test jointly showed that PtRuTiOx/C-500 had better durability than commercial PtRu/C while keeping a desirable activity toward methanol electro-oxidation, which may be attributed to the addition of titanium oxide that improved the interaction between noble metal particles and the support. (C) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: CATALYSTS ;  ELECTROOXIDATION ;  PERFORMANCE ;  DEGRADATION ;  PRECURSORS ;  OXIDATION ;  TIO2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000246053700007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99263
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China

Recommended Citation:
Tian, Juan,Sun, Gongquan,Jiang, Luhua,et al. Highly stable PtRuTiOx/C anode electrocatalyst for direct methanol fuel cells[J]. ELECTROCHEMISTRY COMMUNICATIONS,2007,9(4):563-568.
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