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题名: Surface modification of sulfonated poly(ether ether ketone) membranes using Nafion solution for direct methanol fuel cells
作者: Ren, SZ;  Li, CN;  Zhao, XS;  Wu, ZM;  Wang, SL;  Sun, GQ;  Xin, Q;  Yang, XF
关键词: sulfonated poly(ether ether ketone) (SPEEK) proton conductivity ;  liquid uptake ;  methanol permeability ;  direct methanol fuel cell (DMFC)
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2005-02-01
DOI: 10.1016/j.memsci.2004.09.006
卷: 247, 期:1-2, 页:59-63
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: Sulfonated poly(ether ether ketone) (SPEEK) membranes were used as support material for Nafion-SPEEK-Nafion (NSN) composite membranes. The NSN composite membrane was prepared by immersing the SPEEK in the Nafion-containing casting solution. The resulting composite membranes were mechanically durable as we selected a suitable degree of sulfonation (DS) of PEEK, and we expect the composite membranes to be of low, methanol permeability and high proton conductivity relative to pure SPEEK membranes. The proton conductivity, and methanol permeability properties of the composite membrane were measured, and the effect of proton conducting layer was discussed with an empirical equation. It was found that the proton conductivity of the composite membrane exceeded that of the SPEEK membrane under the same condition. The methanol permeability of NSN membrane was higher than that of the same thick SPEEK membrane. The direct methanol fuel cell (DMFC) performance of the NSN membrane was better than that of the SPEEK membrane at 60 degreesC using 1 M methanol solution. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: PROTON-EXCHANGE MEMBRANES ;  POLYMER MEMBRANES ;  PERFORMANCE ;  CROSSOVER
语种: 英语
WOS记录号: WOS:000226429500007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139921
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.Dalian Univ Technol, Lab Plasma Phys Chem, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cells Lab, Dalian 116023, Peoples R China
3.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

Recommended Citation:
Ren, SZ,Li, CN,Zhao, XS,et al. Surface modification of sulfonated poly(ether ether ketone) membranes using Nafion solution for direct methanol fuel cells[J]. JOURNAL OF MEMBRANE SCIENCE,2005,247(1-2):59-63.
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