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Sulfonated polyimide/PTFE reinforced membrane for PEMFCs
Wang, L.; Yi, B. L.; Zhang, H. M.; Liu, Y. H.; Xing, D. M.; Shao, Z.-G.; Cai, Y. H.; Yi BL(衣宝廉); Yi BL(衣宝廉)
关键词Pemfc Composite Membrane Sulfonated Polyimide Nafion Multilayer
刊名JOURNAL OF POWER SOURCES
2007-05-01
DOI10.1016/j.jpowsour.2006.12.111
167期:1页:47-52
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
关键词[WOS]POLYMER ELECTROLYTE MEMBRANES ; FUEL-CELL APPLICATIONS ; PROTON CONDUCTIVITY ; COMPOSITE MEMBRANE ; WATER STABILITY ; ACID ; POLYELECTROLYTES
英文摘要A sulfonated polyimide (SPI)/PTFE reinforced membrane was synthesized by impregnating PTFE (porous polytetrafluoroethylene) membrane with a SPI/DMSO solution. The resulting composite membrane was mechanically durable and quite thin relative to traditional perfluorosulfonated ionomer membranes (PFSI). We expect the PTFE to restrict the swelling and dimensional change of the SPI when it is immersed into water. And the reinforcement with PTFE can increase the hydrolysis stability of the SPI due to the low swelling and low dimensional change. From ex-situ testing and a short term fuel cell "life" test, we conclude that the PTFE reinforced sulfonated polyimide had a higher hydrolytic stability than pure sulfonated polyimide. The thin SPI/PTFE membrane showed comparable fuel cell performance with the commercial NRE-212 membrane with H(2)/O(2) at 80 degrees C under fully humidified conditions. The chemically modified membrane with Nation layer showed good stability in a 120 h fuel cell test. (C) 2007 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000246256300007
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被引频次:38[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/98993
专题中国科学院大连化学物理研究所
通讯作者Yi BL(衣宝廉); Yi BL(衣宝廉)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Wang, L.,Yi, B. L.,Zhang, H. M.,et al. Sulfonated polyimide/PTFE reinforced membrane for PEMFCs[J]. JOURNAL OF POWER SOURCES,2007,167(1):47-52.
APA Wang, L..,Yi, B. L..,Zhang, H. M..,Liu, Y. H..,Xing, D. M..,...&衣宝廉.(2007).Sulfonated polyimide/PTFE reinforced membrane for PEMFCs.JOURNAL OF POWER SOURCES,167(1),47-52.
MLA Wang, L.,et al."Sulfonated polyimide/PTFE reinforced membrane for PEMFCs".JOURNAL OF POWER SOURCES 167.1(2007):47-52.
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