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Sulfonated poly (ether ether ketone)/polyvinylidene fluoride polymer blends for direct methanol fuel cells
Ren, SZ; Sun, GQ; Li, CN; Wu, ZM; Jin, W; Chen, WM; Xin, Q; Yang, XF
关键词Sulfonated Poly (Ether Ether Ketone) Polyvinylidene Fluoride Blends Membranes Direct Methanol Fuel Cells
刊名MATERIALS LETTERS
2006
DOI10.1016/j.matlet.2005.07.068
60期:1页:44-47
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Materials Science ; Physics
关键词[WOS]MEMBRANES
英文摘要There have been many novel materials proposed to reduce methanol crossover for direct methanol fuel cells (DMFCs). In this study, polymer blends of sulfonated poly (ether ether ketone) (SPEEK) with polyvinylidene fluoride (PVDF) were prepared. The effects of methanol concentration and membrane composition on the mechanical stability and proton conductivity of the membranes were investigated. The liquid uptake of the 9/1 SPEEK/PVDF blend membrane is about 20%,, and the value of proton conductivity of this membrane is 1.75 x 10(-3) S cm(-1), which is about 9% that of Nafion(R) 115. The methanol permeability of 9/1 SPEEK/PVDF blend membrane is about 1/20 that of Nafion(R) 115 on the same testing condition. Based on the preliminary results, it can be concluded that the polymer blends of SPEEK/PVDF can be considered as a candidate membrane materials for DMFCs applications. (C) 2005 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000233148000010
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140219
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cells Lab, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Lab Plasma Phys Chem, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Ren, SZ,Sun, GQ,Li, CN,et al. Sulfonated poly (ether ether ketone)/polyvinylidene fluoride polymer blends for direct methanol fuel cells[J]. MATERIALS LETTERS,2006,60(1):44-47.
APA Ren, SZ.,Sun, GQ.,Li, CN.,Wu, ZM.,Jin, W.,...&Yang, XF.(2006).Sulfonated poly (ether ether ketone)/polyvinylidene fluoride polymer blends for direct methanol fuel cells.MATERIALS LETTERS,60(1),44-47.
MLA Ren, SZ,et al."Sulfonated poly (ether ether ketone)/polyvinylidene fluoride polymer blends for direct methanol fuel cells".MATERIALS LETTERS 60.1(2006):44-47.
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