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题名: Carbon-supported IrSn catalysts for a direct ethanol fuel cell
作者: Cao, Lei;  Sun, Gongquan;  Li, Huanqiao;  Xin, Qin
关键词: ethanol oxidation ;  Ir/C ;  Ir3Sn/C ;  direct ethanol fuel cell
刊名: ELECTROCHEMISTRY COMMUNICATIONS
发表日期: 2007-10-01
DOI: 10.1016/j.elecom.2007.07.031
卷: 9, 期:10, 页:2541-2546
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: Carbon-supported Ir3Sn/C and Ir/C catalysts were simply prepared with NaBH4 as a reducing agent under the protection of ethylene glycol at room temperature. TEM and X-ray diffraction (XRD) data showed that the catalysts with small particle size exhibited the typical characteristic of a crystalline Ir fcc structure. Their electro-catalytic activities in comparison with Pt/C and Pt3Sn/C catalysts also prepared by the NaBH4 reduction process were characterized by cyclic voltammetry (CV), linear sweep voltammetry (LSV) and chronoamperometry (CA) techniques. The results indicated that Ir-based catalysts showed superior electro-catalytic activity towards ethanol oxidation to Pt/C and Pt3Sn/C catalysts, mainly at low potential region. During single-cell tests at 90 degrees C, better performances of Ir-based catalysts as anodes were obtained compared to that of Pt/C catalyst. The comparable overall performance of Ir3Sn/C to Pt3Sn/C makes it a promising alternative choice of anode catalyst for direct ethanol fuel cells. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: IN-SITU FTIR ;  OXIDATION ;  ELECTROOXIDATION ;  PTRU ;  ELECTROCATALYSTS ;  ELECTRODES ;  IRIDIUM ;  ALLOYS ;  PERFORMANCE ;  PLATINUM
语种: 英语
WOS记录号: WOS:000250368700016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140625
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, Direct 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:
Cao, Lei,Sun, Gongquan,Li, Huanqiao,et al. Carbon-supported IrSn catalysts for a direct ethanol fuel cell[J]. ELECTROCHEMISTRY COMMUNICATIONS,2007,9(10):2541-2546.
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