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题名: Development of novel self-humidifying composite membranes for fuel cells
作者: Liu, FQ;  Yi, BL;  Xing, DM;  Yu, JR;  Hou, ZJ;  Fu, YZ
关键词: PTFE ;  nation ;  proton exchange membrane ;  impedance ;  self-humidification
刊名: JOURNAL OF POWER SOURCES
发表日期: 2003-10-01
DOI: 10.1016/S0378-7753(03)00616-5
卷: 124, 期:1, 页:81-89
收录类别: SCI
文章类型: Article
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: A novel preparation method for self-humidifying membranes of proton exchange membrane fuel cells (PEMFCs) was developed. Using solution-cast method, PTFE porous substrates in these composite membranes can increase their strength and distribute self-humidifying layers adjacent to the anode side. Compared with the cells fabricated with ordinary membranes, the performance of the cells with these self-humidifying proton exchange membranes (PEMs) are dramatically improved in both cell voltage and the current density under dry conditions, and the cell using the Pt/C-PEM shows the best and most stable performance. EIS technique revealed that these self-humidifying composite membranes could minimize membrane conductivity loss under dry conditions. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: POLYMER ELECTROLYTE MEMBRANES ;  GAS-CROSSOVER ;  IMPEDANCE ;  HUMIDIFICATION ;  SUPPRESSION ;  CATHODES
语种: 英语
WOS记录号: WOS:000185563800012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138311
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

Recommended Citation:
Liu, FQ,Yi, BL,Xing, DM,et al. Development of novel self-humidifying composite membranes for fuel cells[J]. JOURNAL OF POWER SOURCES,2003,124(1):81-89.
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