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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)
关键词Direct Ethanol Fuel Cell Ptsn Catalyst Alloying Degree Ethanol Electro-oxidation Anode Catalyst
刊名ELECTROCHIMICA ACTA
2009-02-01
DOI10.1016/j.electacta.2008.09.035
54期:5页:1511-1518
收录类别SCI
文章类型Article
部门归属3
项目归属305
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]FUEL-CELLS ; STRUCTURAL CHARACTERISTICS ; SN ELECTROCATALYSTS ; METHANOL OXIDATION ; TERNARY CATALYSTS ; FORMIC-ACID ; PART II ; PLATINUM ; REDUCTION ; PERFORMANCE
英文摘要Carbon-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.
语种英语
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WOS记录号WOS:000263006100018
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/102423
专题中国科学院大连化学物理研究所
通讯作者Sun GQ(孙公权)
作者单位1.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
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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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