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题名: Borohydride electrochemical oxidation on carbon-supported Pt-modified Au nanoparticles
作者: Geng, Xiaoying1, 2;  Zhang, Huamin1;  Ma, Yuanwei1, 2;  Zhong, Hexiang1
通讯作者: 张华民
关键词: Direct borohydride fuel cell (DBFC) ;  AuPt catalyst ;  Surface structure ;  Borohydride oxidation ;  Hydrogen evolution
刊名: JOURNAL OF POWER SOURCES
发表日期: 2010-03-15
DOI: 10.1016/j.jpowsour.2009.09.036
卷: 195, 期:6, 页:1583-1588
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 303
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: The carbon-supported Pt-modified Au nanoparticles were prepared by two different chemical reduction processes, the simultaneous chemical reduction of Pt and Au on carbon process (A-AuPt/C) and the successive reduction of Au then Pt (B-AuPt/C) on carbon process. These two catalysts were investigated as the anode catalysts for a direct borohydride fuel cell (DBFC) and Au nanoparticles oil carbon (Au/C) were also prepared for comparison The DBFC with B-AuPt/C as the anode catalyst shows the best anode and fuel cell performance The maximum power density with the B-AuPt/C catalyst is 112 mW cm(-2) at 40 degrees C, compared to 97 mW cm(-2) for A-AuPt/C and 65 mW cm(-2) for Au/C. In addition, the DBFC with the B-AuPt/C Catalyst shows the best fuel utilization with a maximum apparent number of elections (N(app)) equal to 6 4 in 1 M NaBH(4) and 7 2 in 0 5 M NaBH(4) as compared to the value of N(app) of 8 for complete utilization of borohydride. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: ALKALINE FUEL-CELL ;  METHANOL ELECTROOXIDATION ;  SODIUM-BOROHYDRIDE ;  ANODIC MATERIALS ;  GOLD ELECTRODES ;  PLATINUM ;  ELECTROCATALYSTS ;  PERFORMANCE ;  CATALYSTS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000272580900007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103533
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, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Geng, Xiaoying,Zhang, Huamin,Ma, Yuanwei,et al. Borohydride electrochemical oxidation on carbon-supported Pt-modified Au nanoparticles[J]. JOURNAL OF POWER SOURCES,2010,195(6):1583-1588.
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