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题名: Effect of Heat Treatment on the PtRu/C Electrocatalyst Prepared by the Polyol Method
作者: Yan Shiyou1, 2;  Sun Gongquan;  Qi Jing2;  Gao Yan2;  Xin Qin1
关键词: platinum ;  ruthenium ;  heat treatment ;  polyol method ;  methanol electrooxidation ;  direct methanol fuel cell
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2009-11-01
卷: 30, 期:11, 页:1109-1113
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The effect of heat treatment on catalytic activity of a PtRu/C electrocatalyst synthesized by the polyol method was investigated by thermogravimetry, on-line mass spectroscopy, X-ray diffraction,and transmission electron microscopy. The results indicate that abundant species adsorbs on the electrocatalyst surface, which can be effectively removed by heat-treating at 200 degrees C under inert atmosphere for 2 h. The particle size of the electrocatalyst increases slightly after heat treatment, but the particles remain good dispersion on the carbon support. Electrochemical and direct methanol fuel cell single cell test results indicate that the catalytic activity of PtRu/C for methanol electrooxidation is greatly improved by the heat treatment process.
关键词[WOS]: METHANOL FUEL-CELL ;  PT/C CATHODE ELECTROCATALYST ;  ANODE CATALYSTS ;  PLATINUM ;  SIZE ;  ELECTROOXIDATION ;  NANOPARTICLES ;  COLLOIDS ;  MECHANISM ;  OXIDATION
语种: 英语
WOS记录号: WOS:000272577400007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141437
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, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Yan Shiyou,Sun Gongquan,Qi Jing,et al. Effect of Heat Treatment on the PtRu/C Electrocatalyst Prepared by the Polyol Method[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(11):1109-1113.
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