磷酸化二氧化硅填充磺化聚醚醚酮质子交换膜的制备及表征（英文）

被引：3

作者：

吴洪 ^{[1
,2
,3
]}

杨昊 ^{[1
,2
]}

赵宇宁 ^{[2
]}

李震 ^{[1
,2
]}

姜忠义 ^{[1
,2
]}

机构：

[1] 天津化学化工协同创新中心

[2] 天津大学化工学院绿色化学合成与转化教育部重点实验室

[3] 天津市膜科学与海水淡化技术重点实验室

来源：

化工学报 | 2016年 / 67卷 / 01期

关键词：

燃料电池; 膜; 质子传导率; 甲醇渗透率; 磷酸化; 二氧化硅;

D O I：

暂无

中图分类号：

TB383.2 []; TM911.4 [燃料电池];

学科分类号：

070205 ; 080501 ; 1406 ; 0808 ;

摘要：

制备了两种磷酸化改性的介孔二氧化硅亚微米球形颗粒,分别为仅外表面接枝磷酸根基团的颗粒（PMPS-Ⅰ）和内外表面均接枝磷酸根基团的颗粒（PMPS-Ⅱ）。颗粒具有均一的尺寸和规则排布的六面体一维贯通孔道。将制备的二氧化硅颗粒与磺化聚醚醚酮（SPEEK）溶液共混制备杂化膜。与填充PMPS-Ⅰ的杂化膜相比,填充PMPS-Ⅱ的杂化膜显示出较好的质子传导性能。当PMPS-Ⅱ的填充量为5%（质量）时,杂化膜在60℃、100%相对湿度下最高质子传导率为0.241 S·cm-1。研究结果表明,连续贯通的质子传递通道有助于提高杂化膜的质子传导率。

引用

页码：358 / 367

页数：10

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