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题名: A novel bifunctional electrocatalyst for unitized regenerative fuel cell
作者: Zhang, Yining1, 2;  Zhang, Huamin1;  Ma, Yuanwei1, 2;  Cheng, Jinbin1, 2;  Zhong, Hexiang1;  Song, Shidong1, 3;  Ma, Haipeng1
通讯作者: 张华民
关键词: Unitized regenerative fuel cell ;  Platinum supported on iridium oxide ;  Bifunctional oxygen electrode ;  Electrocatalyst ;  Fuel cell ;  Water electrolysis
刊名: JOURNAL OF POWER SOURCES
发表日期: 2010
DOI: 10.1016/j.jpowsour.2009.07.018
卷: 195, 期:1, 页:142-145
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: 5 wt.% of platinum (Pt) nanoparticles are highly dispersed on the surface of IrO(2) by chemical reduction, and the catalyst is mixed with Pt black to be used as a novel bifunctional oxygen electrocatalyst for the unitized regenerative fuel cell (URFC). The novel cell has been evaluated in the hydrogen and oxygen fuel cell and water electrolysis modes, and compared to a similar cell with an oxygen electrode using conventional mixed Pt black and IrO(2) catalyst. With the novel oxygen electrode catalyst, the highest fuel cell power density is 1160 mW cm(-2) at 2600 mA cm(-2); the overall performance is close to that with the commercial Pt supported on carbon catalyst and about 1.8 times higher than that with the conventional mixed Pt black and IrO(2) catalyst. Additionally, the cell performance for water electrolysis is also slightly improved, which is probably the result of lower interparticle catalyst resistance with 5 wt.% Pt on IrO(2) compared to no Pt on IrO(2). (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: OXYGEN-ELECTRODE ;  OXIDE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000272883200018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103539
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
3.Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland

Recommended Citation:
Zhang, Yining,Zhang, Huamin,Ma, Yuanwei,et al. A novel bifunctional electrocatalyst for unitized regenerative fuel cell[J]. JOURNAL OF POWER SOURCES,2010,195(1):142-145.
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