Triple-layer sulfonated poly(ether ether ketone)/sulfonated polyimide membranes for fuel cell applications

被引：8
作者：
Li, Xiaobai [1 ]
Song, Yang [1 ]
Liu, Zhuang [1 ]
Feng, Pengju [1 ]
Liu, Siyuan [1 ]
Yu, Yunwu [1 ]
Jiang, Zhenhua [1 ]
Liu, Baijun [1 ]
机构：
[1] Jilin Univ, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
来源：
HIGH PERFORMANCE POLYMERS | 2014年 / 26卷 / 01期
基金：
产业技术研究与开发资金项目;
关键词：
Proton exchange membrane; fuel cells; performance; PROTON-EXCHANGE MEMBRANES; COMPOSITE MEMBRANES; ACID GROUPS; KETONE)S; COPOLYMERS; MORPHOLOGY; IONOMERS; PHENYL;
D O I：
10.1177/0954008313499803
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 triple-layer membranes were prepared based on a sulfonated polyimide (SPI) and a traditional sulfonated poly(ether ether ketone) (SPEEK) polymer matrix. Compared with the single-component membranes (pure SPI and SPEEK), the multicomponent membranes exhibited better comprehensive performance. Interestingly, the triple-layer membranes possessed improved mechanical properties, lower water uptake, and swelling ratio than those of the corresponding blend membranes. When the contents of SPI were 30 and 40%, the triple-layer membranes even had lower methanol permeability (3.42 and 2.61x10(-7)cm(2)s(-1), respectively) than that of the pure SPI membrane (3.51x10(-7)cm(2)s(-1)). The proton conductivity of the triple-layer membranes was in the range of 0.117-0.149Scm(-1) at 100 degrees C. All the results suggest that the triple-layer membranes have sufficiently excellent performance to be applied in fuel cells.
引用
收藏
页码：106 / 113
页数：8
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