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题名: Challenging reinforced composite polymer electrolyte membranes based on disulfonated poly(arylene ether sulfone)-impregnated expanded PTFE for fuel cell applications
作者: Zhu, Xiaobing;  Zhang, Huamin;  Liang, Yongmin;  Zhang, Yu;  Luo, Qingtao;  Bi, Cheng;  Yi, Baolian
通讯作者: 张华民
刊名: JOURNAL OF MATERIALS CHEMISTRY
发表日期: 2007
DOI: 10.1039/b611690f
卷: 17, 期:4, 页:386-397
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]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: An ultrathin, low cost and high performance reinforced composite membrane ( 20 mm, thick) based on disulfonated poly( arylene ether sulfone)-impregnated polytetrafluoroethylene ( PTFE) for polymer electrolyte membrane (PEM) fuel cell application was investigated. For comparison, PTFE-reinforced Nafion(R) membrane (Nafion/PTFE), pristine disulfonated poly( arylene ether sulfone) membrane (SPSU) and recast Nafion112 membrane (rN112) membrane were employed. The peak power density of a single PEM fuel cell employing the composite membrane (SPSU/ PTFE) reached 2.4 W cm 22, twice that of the rN112 membrane. The SPSU/ PTFE membrane structure was characterized and confirmed by scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS), and Fourier transform infrared ( FTIR) spectroscopy. The improved interface compatibilty of the two components in the SPSU/ PTFE membrane, reflected by enhanced morphology/ surface property, was ascribed to the surface pre-treatment of microporous expanded PTFE and the presence of the n-butanol auxiliary solvent in the membrane fabrication process. The excellent single cell performance employing our SPSU/ PTFE membrane was attributed to the implementation of ultrathin PTFE-reinforced membrane with low areal resistance and utilization of a high proton conductive SPSU ionomer. Our SPSU/ PTFE membrane might indicate or pave a way of fluorine-less or non-fluorinated ionomer membranes to replace Nafion(R) membranes for PEM fuel cell applications.
关键词[WOS]: PROTON-EXCHANGE MEMBRANES ;  SELF-HUMIDIFYING MEMBRANE ;  IONOMER MEMBRANES ;  SULFONATED POLYSULFONE ;  WATER ;  POLY(TETRAFLUOROETHYLENE) ;  TECHNOLOGIES ;  FABRICATION ;  COPOLYMERS ;  MORPHOLOGY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000243387600012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99333
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, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Beijing 100039, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Zhu, Xiaobing,Zhang, Huamin,Liang, Yongmin,et al. Challenging reinforced composite polymer electrolyte membranes based on disulfonated poly(arylene ether sulfone)-impregnated expanded PTFE for fuel cell applications[J]. JOURNAL OF MATERIALS CHEMISTRY,2007,17(4):386-397.
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