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Direct ethanol fuel cells based on PtSn anodes: the effect of Sn content on the fuel cell performance
Zhou, WJ; Song, SQ; Li, WZ; Zhou, ZH; Sun, GQ; Xin, Q; Douvartzides, S; Tsiakaras, P
关键词Direct Ethanol Fuel Cells Ptsn/c Anode Catalysts
刊名JOURNAL OF POWER SOURCES
2005-01-10
DOI10.1016/j.jpowsour.2004.08.003
140期:1页:50-58
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]METHANOL ELECTROOXIDATION ; RU ; ELECTROCATALYSTS ; OXIDATION ; CATALYSTS ; PLATINUM ; TIN ; ELECTRODES ; PROGRESS ; STACK
英文摘要In the present work, several carbon supported PtSn catalysts with different Pt/Sn atomic ratios were synthesized and characterized by X-ray diffraction (XRD), Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). Both the results of TEM and XRD showed that all in-house prepared carbon supported Pt and PtSn catalysts had nanosized particles with narrow size distribution. According to the primary analysis of XPS results, it was confirmed that the main part of Pt of the as-prepared catalysts is in metallic state while the main part of Sn is in oxidized state. The performances of single direct ethanol fuel cells were different from each other with different anode catalysts and at different temperatures. It was found that, the single DEFC employing Pt3Sn2/C showed better performance at 60degreesC while the direct ethanol fuel cells with Pt2Sn1/C and Pt3Sn2/C exhibited similar performances at 75 degreesC. Furthermore, at 90 degreesC, Pt2Sn1/C was identified as a more suitable anode catalyst for direct ethanol fuel cells in terms of the fuel cell maximum power density. Surface oxygen-containing species, lattice parameters and ohmic effects, which are related to the Sn content, are thought as the main factors influencing the catalyst activity and consequently the performance of single direct ethanol fuel cells. (C) 2004 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000226265900007
引用统计
被引频次:213[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/321008/139726
专题中国科学院大连化学物理研究所
作者单位1.Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, CAS, Dalian 116023, Peoples R China
2.Dalian Inst Chem Phys, State Key Lab Catalysis, CAS, Dalian 116023, Peoples R China
3.Univ Thessaloniki, Sch Engn, Dept Mech & Ind Engn, Volos 38334, Greece
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Zhou, WJ,Song, SQ,Li, WZ,et al. Direct ethanol fuel cells based on PtSn anodes: the effect of Sn content on the fuel cell performance[J]. JOURNAL OF POWER SOURCES,2005,140(1):50-58.
APA Zhou, WJ.,Song, SQ.,Li, WZ.,Zhou, ZH.,Sun, GQ.,...&Tsiakaras, P.(2005).Direct ethanol fuel cells based on PtSn anodes: the effect of Sn content on the fuel cell performance.JOURNAL OF POWER SOURCES,140(1),50-58.
MLA Zhou, WJ,et al."Direct ethanol fuel cells based on PtSn anodes: the effect of Sn content on the fuel cell performance".JOURNAL OF POWER SOURCES 140.1(2005):50-58.
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