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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
关键词Platinum Tin Supported Catalyst. Direct Ethanol Fuel Cell Ethanol Electro-oxidation Tin Redox Couple
刊名CHINESE JOURNAL OF CATALYSIS
2008-08-01
29期:8页:765-770
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
关键词[WOS]PT-SN ELECTROCATALYSTS ; METHANOL FUEL-CELL ; ANODIC-OXIDATION ; H-2/CO MIXTURES ; CO ; CATALYSTS ; ELECTRODES ; REDUCTION ; RUTHENIUM ; PLATINUM
英文摘要The 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.
语种英语
WOS记录号WOS:000259341000017
引用统计
被引频次:21[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/321008/140877
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, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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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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