Preparation of proton-conducting composite membranes from sulfonated poly(ether ether ketone) and polyacrylonitrile

被引：41
|
作者：
Wang, Jinwen [1 ]
Yue, Zhongren [1 ]
Economy, James [1 ]
机构：
[1] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
来源：
JOURNAL OF MEMBRANE SCIENCE | 2007年 / 291卷 / 1-2期
关键词：
sulfonated poly(ether ether ketone); polyacrylonitrile; potassium type sulfonated poly(ether ether ketone); proton conducting composite membranes; polymer electrolyte membrane fuel cells;
D O I：
10.1016/j.memsci.2007.01.021
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Novel composite polymer membranes for fuel-cell applications were prepared by solution blending sulfonated poly(ether ether ketone) (sPEEK) and polyacrylonitrile (PAN) in DMF and heating under nitrogen at 380 degrees C. The incorporation of PAN into sPEEK membranes significantly reduced the swelling in hot water and decreased methanol permeability of the membranes. An optimum ratio of sPEEK and PAN for proton conductivity was found making this system competitive to that of Nafion membranes at room temperature. As a result, for polymer electrolytes, sPEEK/PAN composite membranes offer a possible low-cost alternative to Nation membranes. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：210 / 219
页数：10
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