磺化含酚酞侧基聚芳醚酮/氧化石墨烯复合质子交换膜的性能

doi:10.11949/j.issn.0438-1157.20150874

化工学报 ›› 2015, Vol. 66 ›› Issue (9): 3605-3610.DOI: 10.11949/j.issn.0438-1157.20150874

磺化含酚酞侧基聚芳醚酮/氧化石墨烯复合质子交换膜的性能

王丽莎, 赖傲楠, 卓毅智, 张秋根, 朱爱梅, 刘庆林

厦门大学化学化工学院, 福建厦门 361005

收稿日期:2015-06-09 修回日期:2015-06-16 出版日期:2015-09-05 发布日期:2015-09-05
通讯作者: 刘庆林
基金资助:
福建省科技计划项目(2014H0043)。

Properties of hybrid SPEK-C/GO composite proton exchange membranes

WANG Lisha, LAI Aonan, ZHUO Yizhi, ZHANG Qiugen, ZHU Aimei, LIU Qinglin

College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China

Received:2015-06-09 Revised:2015-06-16 Online:2015-09-05 Published:2015-09-05

摘要/Abstract

摘要：

采用共混制备了一系列磺化含酚酞侧基聚芳醚酮(SPEK-C)/氧化石墨烯(GO)复合质子交换膜,系统地研究了GO含量对复合膜性能的影响。结果表明,GO含量对膜的离子交换容量、稳定性、质子电导率和甲醇渗透率等有重要影响。复合膜质子电导率随GO含量增加而提高,GO含量为2%和5%的复合膜在80℃下质子电导率均在10^-1 S·cm^-1以上。80℃下,GO含量为5%的复合膜甲醇渗透率为6.69×10^-7 cm²·s^-1,低于同温度下复合前SPEK-C膜1个数量级。复合后膜的化学稳定性增强,离子交换容量和含水率均有提高,相对选择性明显增大,最高达SPEK-C的18.2倍。

关键词: 燃料电池, 电解质, 膜, 聚芳醚酮, 氧化石墨烯, 质子交换膜

Abstract:

A series of sulfonated phenolphthalein side poly (aryl ether ketone) (SPEK-C)/graphene oxide (GO) hybrid composite proton exchange membranes was fabricated. The effect of GO as a filler blending with SPEK-C was investigated systematically. The results indicated that GO content in the membrane had a great influence on ionic exchange capacity, stability, proton conductivity and methanol permeability. The proton conductivity was enhanced with increasing GO content. Moreover, the proton conductivity of the composite membranes with 2% and 5% GO was all above 10^-1 S·cm^-1 at 30℃. The composite membrane containing 5% GO exhibited methanol permeability of 6.7×10^-8 cm²·s^-1 at 30℃, which was one order of magnitude lower than that of SPEK-C membrane. The ionic exchange capacity, stability and water uptake were enhanced, and the relative selectivity reached up to 18.2 times higher than that of the SPEK-C membrane.

Key words: fuel cells, electrolytes, membranes, poly (aryl ether ketone), graphene oxide, proton exchange membranes

中图分类号:

TQ028.8

王丽莎, 赖傲楠, 卓毅智, 张秋根, 朱爱梅, 刘庆林. 磺化含酚酞侧基聚芳醚酮/氧化石墨烯复合质子交换膜的性能[J]. 化工学报, 2015, 66(9): 3605-3610.

WANG Lisha, LAI Aonan, ZHUO Yizhi, ZHANG Qiugen, ZHU Aimei, LIU Qinglin. Properties of hybrid SPEK-C/GO composite proton exchange membranes[J]. CIESC Journal, 2015, 66(9): 3605-3610.

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磺化含酚酞侧基聚芳醚酮/氧化石墨烯复合质子交换膜的性能

Properties of hybrid SPEK-C/GO composite proton exchange membranes

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