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Grafted porous PTFE/partially fluorinated sulfonated poly(arylene ether ketone) composite membrane for PEMFC applications
Bi, Cheng1,2; Zhang, Huamin1; Xiao, Shaohua1,2; Zhang, Yu1; Mai, Zhensheng1,2; Li, Xianfeng1
KeywordGrafted Ptfe Reinforced Composite Membrane Mechanical Stability Interfacial Compatibility With Electrode Proton Exchange Membrane Fuel Cell
Source PublicationJOURNAL OF MEMBRANE SCIENCE
2011-07-01
DOI10.1016/j.memsci.2011.04.017
Volume376Issue:1-2Pages:170-178
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectEngineering, Chemical ; Polymer Science
WOS Research AreaEngineering ; Polymer Science
WOS KeywordPROTON-EXCHANGE MEMBRANE ; FUEL-CELL APPLICATIONS ; POLYMER ELECTROLYTE MEMBRANES ; ENGINEERING POLYMERS ; METALATION ROUTE ; BLEND-MEMBRANES ; LOW-TEMPERATURE ; FABRICATION ; CONDUCTIVITY ; CHALLENGES
AbstractA low cost and mechanically stabilized composite membrane (25 mu m) based on grafted porous polytetrafluoroethylene (grPTFE) substrate and partially fluorinated sulfonated poly(arylene ether ketone) (FSPAEK) polymer was fabricated and investigated for proton exchange membrane fuel cell (PEMFC) applications. In order to improve interfacial compatibility between hydrocarbon membrane and Nafion (R) bonded electrode, partially fluorinated FSPAEK polymer was utilized as a proton conductor. In order to improve the combination between porous substrate and polymer, hydrophilic polystyrenesulfonate was chemically grafted onto hydrophobic PTFE substrate. The experimental results indicated that grPTFE showed richer sulfur concentration, lower water contact angle and better hydrophilicity, which made grPTFE substrate exhibit enhanced combination state with FSPAEK polymer. A relatively high mechanical stability of FSPAEK/grPTFE composite membrane was obtained and was attributed to reinforced effect of grPTFE substrate. The preliminary single cell evaluation had also confirmed FSPAEK/grPTFE composite membrane was stable. As a novel, low cost and reinforced membrane, FSPAEK/grPTFE composite membrane showed potential in PEMFC applications. (C) 2011 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000292437600019
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142624
Collection中国科学院大连化学物理研究所
Affiliation1.CAS, Dalian Inst Chem Phys, Key Mat Lab PEMFCs, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Bi, Cheng,Zhang, Huamin,Xiao, Shaohua,et al. Grafted porous PTFE/partially fluorinated sulfonated poly(arylene ether ketone) composite membrane for PEMFC applications[J]. JOURNAL OF MEMBRANE SCIENCE,2011,376(1-2):170-178.
APA Bi, Cheng,Zhang, Huamin,Xiao, Shaohua,Zhang, Yu,Mai, Zhensheng,&Li, Xianfeng.(2011).Grafted porous PTFE/partially fluorinated sulfonated poly(arylene ether ketone) composite membrane for PEMFC applications.JOURNAL OF MEMBRANE SCIENCE,376(1-2),170-178.
MLA Bi, Cheng,et al."Grafted porous PTFE/partially fluorinated sulfonated poly(arylene ether ketone) composite membrane for PEMFC applications".JOURNAL OF MEMBRANE SCIENCE 376.1-2(2011):170-178.
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