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题名: High performance direct ethanol fuel cell with double-layered anode catalyst layer
作者: Wang, Q.1, 2;  Sun, G. Q.1;  Cao, L.1, 2;  Jiang, L. H.1;  Wang, G. X.1;  Wang, S. L.1;  Yang, S. H.1;  Xin, Q.1
通讯作者: 孙公权
关键词: direct ethanol fuel cell ;  double-layered anode catalyst layer ;  Pt3Sn/C catalyst ;  PtRu black catalyst
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-02-15
DOI: 10.1016/j.jpowsour.2007.11.040
卷: 177, 期:1, 页:142-147
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 ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Double-layered anode catalyst layers with two reverse configurations, which consist of 45 wt.% Pt3Sn/C and PtRu black catalyst layers, were fabricated to improve the performance of a direct ethanol fuel cell (DEFC). The in-house 45 wt.% Pt3Sn/C catalyst was characterized by XRD and TEM. The cross-sectional double-layered anode catalyst layer was observed by SEM. In DEFC performance test and anode linear sweep, voltammetry measurement, the anode with double-layered catalyst layer exhibited better catalytic activity for ethanol electro-oxidation than those with single-layered 45 wt.% Pt3Sn/C and PtRu black catalyst layers. In terms of anode product distribution, the DEFC with double-layered anode catalyst layer showed a higher yield of acetic acid than that with single-layered PtRu black catalyst layer and a higher yield Of CO2 than that with single-layered 45 wt.% Pt3Sn/C catalyst layer, respectively. These results suggest that the double-layered anode catalyst layer possessed the advantages of both Pt3Sn/C and PtRu black catalysts for ethanol electro-oxidation, and thus showed a higher ethanol electro-oxidation efficiency and DEFC performance in the practical polarization potential region. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: SITU FTIR SPECTROSCOPY ;  REFLECTANCE SPECTROSCOPY ;  CHEMICAL-COMPOSITION ;  ACID-MEDIUM ;  OXIDATION ;  PLATINUM ;  ELECTROOXIDATION ;  ELECTROCATALYSTS ;  PTRU ;  ELECTRODES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000253185400020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100875
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Wang, Q.,Sun, G. Q.,Cao, L.,et al. High performance direct ethanol fuel cell with double-layered anode catalyst layer[J]. JOURNAL OF POWER SOURCES,2008,177(1):142-147.
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