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材料成为了研究的热点。阴离子交换膜(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。综述了用于阴离子交换膜的咪唑功能化聚合物的制备,咪唑类阴离子交换膜和聚苯并咪唑类阴离子交换膜的碱稳定性、电导率等性能;同时,对于含有咪唑阳离子交换基团的阴离子交换膜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 played very important role in determining the overall stability and ionic conductivity for the AEMs.The synthesis of imidazole functionalized polymer for anion exchange membrane,the alkaline stability and ion conductivity of imidazole and poly(benzimidazole) AEMs were introduced in detail,and the development trend of the imidazole cationic groups were discussed.
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基金资助
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)
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