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题名: Properties and fuel cell performance of proton exchange membranes prepared from disulfonated poly(sulfide sulfone)
作者: Dai, Hua1, 2;  Zhang, Huamin1;  Luo, Qingtao1, 2;  Zhang, Yu1, 2;  Bi, Cheng1, 2
通讯作者: 张华民
关键词: Sulfonated poly(sulfide sulfone) ;  Proton exchange membrane ;  Physicochemical properties ;  Fuel cell performance
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-10-15
DOI: 10.1016/j.jpowsour.2008.07.012
卷: 185, 期:1, 页:19-25
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: A series of disulfonated poly(sulfide sulfone)s (SPSSF)s copolymers are synthesized via direct aromatic nucleophilic substitution polycondensation of 4,4'-dichlorodiphenylsulfone (DCDPS), 3,3'-disulfonate4,4'-dichlorodiphenylsulfone (SDCDPS) and 4,4'-thiobisbenzenethiol at various molar ratios. Tough and flexible membranes with 30 mol% (SPSSF30) to 50 mol% (SPSSF50) SDCDPS monomers are obtained by casting from DMAc solution. Their physicochemical properties including thermal properties, mechanical properties, water uptake, swelling ratio and oxidative stability are fully investigated. And the fuel cell performance of SPSSF membranes at different temperature and relative humidity is evaluated comprehensively for the first time. It is found that the SPSSF40 membrane exhibited low dimensional change in the temperature range of 20-100 degrees C, good mechanical properties, high oxidative stability and comparable fuel cell performance to Nafion 212 membrane. Besides, the H-2 crossover density of the SPSSF40 membrane is only 50% of that of Naflon 212 membrane. Consequently, SPSSF40 membranes prove to be promising candidates as new polymeric electrolyte materials for proton exchange membrane (PEM) fuel cells operated at medium temperatures. (c) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: ETHER KETONE) ;  ELECTROLYTE ;  CONDUCTIVITY ;  TEMPERATURE ;  COPOLYMERS ;  SYSTEMS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000259906600004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100459
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, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Dai, Hua,Zhang, Huamin,Luo, Qingtao,et al. Properties and fuel cell performance of proton exchange membranes prepared from disulfonated poly(sulfide sulfone)[J]. JOURNAL OF POWER SOURCES,2008,185(1):19-25.
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