Direct synthesis of sulfonated poly(ether ether ketone ketone)s (SPEEKKs) proton exchange membranes for fuel cell application

被引：146
作者：
Li, XF [1 ]
Zhao, CJ [1 ]
Lu, H [1 ]
Wang, Z [1 ]
Na, H [1 ]
机构：
[1] Jilin Univ, Alan G MacDiarmid Inst, Coll Chem, Changchun 130012, Jilin, Peoples R China
来源：
POLYMER | 2005年 / 46卷 / 15期
关键词：
SPEEKK; PEM; sulfonation;
D O I：
10.1016/j.polymer.2005.04.067
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A series of sulfonated poly(ether ether ketone ketone)s (SPEEKK)s based membranes have been prepared and evaluated for proton exchange membranes (PEM). The membranes show very good thermal and mechanical stabilities. The structures of membranes were studied with AFM. The membranes show very good proton conductive ability (25 degrees C: 0.007-0.04 s/cm) and methanol resistance (25 degrees C: 7.68 x 10(-8) to 5.75 x 10(-7) cm(2)/s). The methanol diffusion coefficients of membranes are much lower than that of Nafion (2 x 10(-6) cm(2)/s). The SPEEKKs membranes show very good respective in direct methanol fuel cells (DMFC) usages. (c) 2005 Elsevier Ltd. All rights reserved.
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收藏
页码：5820 / 5827
页数：8
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