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Effect of alloying degree in PtSn catalyst on the catalytic behavior for ethanol electro-oxidation
Zhu, Mingyuan1,2; Sun, Gongquan1; Xin, Qin1,3; Sun GQ(孙公权)
KeywordDirect Ethanol Fuel Cell Ptsn Catalyst Alloying Degree Ethanol Electro-oxidation Anode Catalyst
Source PublicationELECTROCHIMICA ACTA
2009-02-01
DOI10.1016/j.electacta.2008.09.035
Volume54Issue:5Pages:1511-1518
Indexed BySCI
SubtypeArticle
Department3
Funding Project305
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectElectrochemistry
WOS Research AreaElectrochemistry
WOS KeywordFUEL-CELLS ; STRUCTURAL CHARACTERISTICS ; SN ELECTROCATALYSTS ; METHANOL OXIDATION ; TERNARY CATALYSTS ; FORMIC-ACID ; PART II ; PLATINUM ; REDUCTION ; PERFORMANCE
AbstractCarbon-supported binary PtSn catalysts with varied alloying degree were synthesized in different Processes and denoted as PtSn/C-B, PtSn/C-EG and PtSnO(2)/C, respectively. X-ray diffraction (XRD) characterizations showed that PtSn/C-B catalyst displayed the highest alloying degree, while PtSnO(2)/C Catalyst had the lowest one among these samples. X-ray photoelectron spectroscopy (XPS) results revealed that the non-alloyed Sn existed in an oxidized state on the surfaces of these catalysts. By evaluating the electrocatalytic activity and analyzing the final products of ethanol oxidation reaction (EOR) on these catalysts, it was found that PtSnO(2)/C catalyst enhanced the products yield of acetic acid products and PtSn/C-B catalyst promoted the entire activity for EOR. It was proposed that non-alloyed SnO(2) species enhanced the bi-functional mechanism, whereas PtSn alloy phase strengthened the electronic effect of PtSn/C catalyst. (C) 2008 Elsevier Ltd. All rights reserved.
Language英语
URL查看原文
WOS IDWOS:000263006100018
Citation statistics
Cited Times:130[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/102423
Collection中国科学院大连化学物理研究所
Corresponding AuthorSun GQ(孙公权)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dirrect Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Mingyuan,Sun, Gongquan,Xin, Qin,et al. Effect of alloying degree in PtSn catalyst on the catalytic behavior for ethanol electro-oxidation[J]. ELECTROCHIMICA ACTA,2009,54(5):1511-1518.
APA Zhu, Mingyuan,Sun, Gongquan,Xin, Qin,&孙公权.(2009).Effect of alloying degree in PtSn catalyst on the catalytic behavior for ethanol electro-oxidation.ELECTROCHIMICA ACTA,54(5),1511-1518.
MLA Zhu, Mingyuan,et al."Effect of alloying degree in PtSn catalyst on the catalytic behavior for ethanol electro-oxidation".ELECTROCHIMICA ACTA 54.5(2009):1511-1518.
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