Nanocomposite membranes based on quaternized polysulfone and functionalized montmorillonite for anion-exchange membranes

被引：78
|
作者：
Liao, Xiaofeng [1 ]
Ren, Li [1 ]
Chen, Dongzhi [1 ]
Liu, Xiaohong [1 ]
Zhang, Hongwei [1 ]
机构：
[1] Wuhan Text Univ, Coll Mat Sci & Engn, Wuhan 430073, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2015年 / 286卷
基金：
中国国家自然科学基金;
关键词：
Quatemized polysulfone; Montmorillonite; Hydroxide conductivity; POLYMER ELECTROLYTE MEMBRANES; METHACRYLATE; ACRYLATE;
D O I：
10.1016/j.jpowsour.2015.03.182
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, functionalized montmorillonite is intercalated with cetyl trimethyl ammonium chloride and (3-aminopropyl)triethoxysilane. Quaternized polysulfone/functionalized montmorillonite nanocomposite membranes are fabricated to evaluate their potential in anion-exchange membrane fuel cells. Fourier transform infrared spectroscopy, thermogravimetric analyzer and X-ray diffractometer are used to confirm the success of intercalation. The performances of the composite membranes for the anion-exchange membrane fuel cells in terms of their water uptake, mechanical property and ionic conductivity are investigated. Compared with other anion-exchange membranes, the nanocomposite membrane containing 5% montmorillonite modified by cetyl trimethyl ammonium chloride exhibits lower water uptake, higher ultimate stress and larger ionic conductivity. It exhibits an ionic conductivity of 4.73 x 10(-2) S cm(-1) at 95 degrees C. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：258 / 263
页数：6
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