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Ethanol electrooxidation on carbon supported PtSn catalyst: In situ TRFTIR study
Wang Qi1; Sun Gong-Quan1; Jiang Lu-hua1; Zhu Ming-Yuan1; Wang Guo-Xiong1; Xin Qin1; Sun Shi-Gang2; Chen Qing-Song2; Jiang Yan-Xia2; Chen Sheng-Pei2
关键词Direct Ethanol Fuel Cells Ptsn/c Ethanol Electrooxidation Trftirs
刊名SPECTROSCOPY AND SPECTRAL ANALYSIS
2008
28期:1页:47-50
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Spectroscopy
研究领域[WOS]Spectroscopy
关键词[WOS]ANODE CATALYSTS ; FUEL-CELLS ; OXIDATION ; PLATINUM ; ELECTROCATALYSTS ; ELECTRODES ; CO
英文摘要Carbon supported PtSn catalyst (PtSn/C) was prepared by a modified polyol method and characterized by means of XRD. It was showed that the metal particle size was 2.2 nm and the unit cell parameter increased compared with Pt/C. In situ time-resolved Fourier transform infrared spectroscopy (TRFTIRS) was used to study the electrooxidation of ethanol on PtSn/C catalyst. CO was the main poison species adsorbed on the active sites to inhibit the further reaction of ethanol electrooxidation. Acetaldehyde and acetic acid were found to be the products of ethanol electrooxidation as competing reactions with ethanol dissociation when the potential was up to 0.3 V, which reduced the poisoning effect. The selectivity of acetic acid among the products was improved with the increase in the potential and reaction time. CO2, which appeared at 0.4 V I was the final product and yielded from the oxidation of COL. The catalytic mechanism of PtSn/C towards ethanol electrooxidation was analyzed based on the results.
语种英语
WOS记录号WOS:000252809900012
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140960
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Xiamen Univ, Dept Chem, State Key Lab Phys ChemSolid Surfaces, Xiamen 361005, Peoples R China
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Wang Qi,Sun Gong-Quan,Jiang Lu-hua,et al. Ethanol electrooxidation on carbon supported PtSn catalyst: In situ TRFTIR study[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2008,28(1):47-50.
APA Wang Qi.,Sun Gong-Quan.,Jiang Lu-hua.,Zhu Ming-Yuan.,Wang Guo-Xiong.,...&Chen Sheng-Pei.(2008).Ethanol electrooxidation on carbon supported PtSn catalyst: In situ TRFTIR study.SPECTROSCOPY AND SPECTRAL ANALYSIS,28(1),47-50.
MLA Wang Qi,et al."Ethanol electrooxidation on carbon supported PtSn catalyst: In situ TRFTIR study".SPECTROSCOPY AND SPECTRAL ANALYSIS 28.1(2008):47-50.
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