季铵盐阴离子交换膜研究进展
更新日期:2021-05-20     浏览次数:345
核心提示:摘要近年来,阴离子交换膜燃料电池的发展受到了广泛关注。开发具有碱稳定性能优异,电导率高的阴离子交换膜(AEMs)材料成为了研究的热点。AEMs主要由聚合

摘要 近年来,阴离子交换膜燃料电池的发展受到了广泛关注。开发具有碱稳定性能优异,电导率高的阴离子交换膜(AEMs)材料成为了研究的热点。AEMs主要由聚合物骨架和阳离子基团组成,这两者是影响膜碱稳定性和电导率的重要因素。本文综述了季铵盐类阴离子交换膜聚合物骨架结构中含有醚氧键和不含醚氧键的烷基季铵盐AEMs、N-螺环季铵盐AEMs和环季铵盐AEMs的碱稳定性、电导率等性能;总结了不同骨架结构季铵盐AEMs碱稳定性的差异;分析了季铵盐的降解机理。同时对于含有季铵盐阳离子交换基团的AEMs的结构设计进行了分析和展望。 Anion exchange membrane fuel cells(AEMFCs)have attracted worldwide attention.To achieve high performance in AEMFCs,anion exchange membranes(AEMs)should own high ion conductivity and good alkaline stability.AEMs contain cationic groups and polymer backbone,which play very important role in determining the overall stability and ionic conductivity for the AEMs.In this paper,the alkaline stability and ion conductivity of quaternary ammonium(QA)AEMs with alkylic QA AEMs,N-spirocyclic QA AEMs,cyclic QA AEMs,including both aryl ether-free and aryl ether-containing structure are introduced in detail,the alkaline stability of quaternary ammonium salts with different frameworks are summarized,the degradation mechanisms for QA are analyzed,and the development trend of the QA cationic groups are discussed.
作者 付凤艳 程敬泉 张素芳 高志华 张杰 郝永超 Fu Fengyan;Cheng Jingquan;Zhang Sufang;Gao Zhihua;Zhang Jie;Hao Yongchao(Department of Applicative Chemistry,Hengshui University,Hengshui,053000;School of Chemistry and Chemical Engineering,Xingtai University,Xingtai,054000)
出处 《化学通报》 CAS CSCD 北大核心 2021年第3期246-253,共8页 Chemistry
基金 河北省高等学校科学研究项目(BJ2019206) 河北省自然科学基金项目(B2017202051) 衡水学院高层次人才科研启动基金(2018GC10) 衡水市科技计划项目(2020011006z)资助。
关键词 阴离子交换膜 季铵盐 碱稳定性 电导率 Anion exchange membrane Quaternary ammonium group Alkaline stability Ionic conductivity