Proton exchange membranes based on modified sulfonated poly(ether ether ketone) membranes with chemically in situ polymerized polypyrrole

被引：26
|
作者：
Xue, Song [1 ]
Yin, Geping [1 ]
机构：
[1] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2006年 / 52卷 / 03期
关键词：
sulfonated poly(ether ether ketone); polypyrrole; methanol permeability; proton exchange membrane; direct methanol fuel cell;
D O I：
10.1016/j.electacta.2006.06.019
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Sulfonated poly(ether ether ketone) (SPEEK) membranes were modified with chemically in situ polymerized polypyrrole (PPy). The effects of temperature and methanol concentration on the solution uptake and the swelling ratio of SPEEK/PPy membranes were investigated. The solution uptake and the swelling ratio of the membranes decreased upon the incorporation of PPy. When the methanol concentration increased, both the solution uptake and the swelling ratio increased to a maximum, and then decreased. FT-IR, XRD, DSC and TGA were used to characterize the modified membranes. The methanol permeability of modified SPEEK membranes decreased upon the incorporation of PPy, and higher selectivity values were found for SPEEK/PPy membranes in comparison with pure SPEEK and Nafion (R) 117 membranes. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：847 / 853
页数：7
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