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Effect of the Sn(I)/Sn(IV) redox couple on the activity of PtSn/C for ethanol electro-oxidation
Zhu Mingyuan1,2; Sun Gongquan1; Li Huanqiao1,2; Cao Lei1,2; Xin Qin1
KeywordPlatinum Tin Supported Catalyst. Direct Ethanol Fuel Cell Ethanol Electro-oxidation Tin Redox Couple
Source PublicationCHINESE JOURNAL OF CATALYSIS
2008-08-01
Volume29Issue:8Pages:765-770
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordPT-SN ELECTROCATALYSTS ; METHANOL FUEL-CELL ; ANODIC-OXIDATION ; H-2/CO MIXTURES ; CO ; CATALYSTS ; ELECTRODES ; REDUCTION ; RUTHENIUM ; PLATINUM
AbstractThe PtSn/C-Ni catalyst was prepared by adding Ni(NO3)(2) in the reduction process of SnCl2, and H2PtCl6 with ethylene glycol. The coexistence of the Sn(II) /Sn(IV) redox couple was detected in the catalyst by temperature-programmed reduction experiments. Linear sweep voltammetry, single cell test, and CO stripping voltammetry experiments showed that the ethanol electro-oxidation activity and CO tolerance can be obviously enhanced by Increasing the Sn(H)/Sn(IV) ratio in the catalyst. The reason might be attributed to that the Sn(II)/Sn(IV) redox couple accelerates the transfer rate of (OH)(ads) and then promotes the consequent oxidation of CO-like intermediates that are produced in the ethanol electro-oxidation process on the surface of Pt.
Language英语
WOS IDWOS:000259341000017
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140877
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhu Mingyuan,Sun Gongquan,Li Huanqiao,et al. Effect of the Sn(I)/Sn(IV) redox couple on the activity of PtSn/C for ethanol electro-oxidation[J]. CHINESE JOURNAL OF CATALYSIS,2008,29(8):765-770.
APA Zhu Mingyuan,Sun Gongquan,Li Huanqiao,Cao Lei,&Xin Qin.(2008).Effect of the Sn(I)/Sn(IV) redox couple on the activity of PtSn/C for ethanol electro-oxidation.CHINESE JOURNAL OF CATALYSIS,29(8),765-770.
MLA Zhu Mingyuan,et al."Effect of the Sn(I)/Sn(IV) redox couple on the activity of PtSn/C for ethanol electro-oxidation".CHINESE JOURNAL OF CATALYSIS 29.8(2008):765-770.
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