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题名: Catalytic hydrogen/oxygen reaction assisted the proton exchange membrane fuel cell (PEMFC) startup at subzero temperature
作者: Sun, Shucheng1;  Yu, Hongmei1;  Hou, Junbo1, 2;  Shao, Zhigang1;  Yi, Baolian1;  Ming, Pingwen3;  Hou, Zhongjun3
通讯作者: 俞红梅
关键词: PEMFC ;  cold startup ;  subzero temperature ;  microchannel reactor ;  hydrogen catalytic reaction
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-02-15
DOI: 10.1016/j.jpowsour.2007.11.012
卷: 177, 期:1, 页:137-141
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 301
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: Fuel cells for automobile application need to operate in a wide temperature range including freezing temperature. However, the rapid startup of a proton exchange membrane fuel cell (PEMFC) at subfreezing temperature, e.g., -20 degrees C, is very difficult. A cold-start procedure was developed, which made hydrogen and oxygen react to heat the fuel cell considering that the FC flow channel was the characteristic of microchannel reactor. The effect of hydrogen and oxygen reaction on fuel cell performance at ambient temperature was also investigated. The electrochemical characterizations such as I-V plot and cyclic voltammetry (CV) were performed. The heat generated rate for either the single cell or the stack was calculated. The results showed that the heat generated rate was proportional to the gas flow rate when H-2 concentration and the active area were constant. The fuel cell temperature rose rapidly and steadily by controlling gas flow rate. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: REPETITIVELY BROUGHT ;  PERFORMANCE ;  DEGRADATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000253185400019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101447
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, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Dalian Sunrise Power Co Ltd, Dalian 116025, Peoples R China

Recommended Citation:
Sun, Shucheng,Yu, Hongmei,Hou, Junbo,et al. Catalytic hydrogen/oxygen reaction assisted the proton exchange membrane fuel cell (PEMFC) startup at subzero temperature[J]. JOURNAL OF POWER SOURCES,2008,177(1):137-141.
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