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题名: Improvement of synthesis procedure and characterization of sulfonated poly(arylene ether sulfone) for proton exchange membranes
作者: Xing, D.;  Kerres, J.
关键词: sulfonated poly(arylene ether sulfone) ;  direct polymerization ;  proton exchange membrane
刊名: JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS
发表日期: 2006
卷: 9, 期:1, 页:51-60
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Materials Science, Multidisciplinary
研究领域[WOS]: Electrochemistry ;  Materials Science
英文摘要: A series of poly(arylene ether sulfone)s and sulfonated poly(arylene ether sulfone)s (SPSU-BP and SPSU-TP) were produced by improved direct synthesis procedure using difluorodiphenylsulfone. According to this procedure, the azeotropic agent, toluene or chlorobenzene for removal of water formed during the polymerization was unnecessary and the polymerization could be performed at lower temperature(similar to 130 degrees C). The membranes made of sulfonated copolymers with the mole ratio of sulfonated monomers of 40-50% were found to be suitable for proton exchange membrane applications. The membranes made of SPSU-BP-50 and SPSU-TP-40 showed higher conductivities (0.18 and 0.12 S/cm, at 25 degrees C) and excellent H-2/O-2 fuel cell performance. The sulfonated copolymers also showed comparable thermal stabilities, which make them promising candidates for proton exchange membrane fuel cell application.
关键词[WOS]: FUEL-CELL APPLICATIONS ;  RANDOM STATISTICAL COPOLYMERS ;  COMPOSITE MEMBRANES ;  DIRECT POLYMERIZATION ;  MORPHOLOGY
语种: 英语
WOS记录号: WOS:000242959600010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140176
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.Univ Stuttgart, ICVT, D-7000 Stuttgart, Germany
2.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Res & Dev Ctr, Dalian, Peoples R China

Recommended Citation:
Xing, D.,Kerres, J.. Improvement of synthesis procedure and characterization of sulfonated poly(arylene ether sulfone) for proton exchange membranes[J]. JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS,2006,9(1):51-60.
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