Xiaoming Yan   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : 辽宁省石化行业高效节能分离技术工程实验室副主任

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Language:English

Paper Publications

Title of Paper:季铵化聚芳吲哚阴离子膜的制备

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Date of Publication:2019-05-28

Journal:膜科学与技术

Included Journals:PKU

Volume:39

Issue:4

Page Number:15-20,28

ISSN No.:1007-8924

Key Words:无芳基醚;聚芳吲哚;耐碱性;阴离子交换膜

Abstract:通过吲哚-2,3-二酮和联苯在超强酸催化下反应,合成了不含芳基醚键的聚芳吲哚聚合物,而后通过酰胺与2,3-环氧丙基三甲基氯化铵反应,成功制备了一种新的季铵化聚芳吲哚阴离子交换膜.由于不合芳基醚键,有效减弱了OH-对膜主链骨架的攻击,提高了膜的耐碱性.膜浸泡在80℃的1 mol/L KOH水溶液中672 h后,其离子电导率和离子交换容量分别达到测试前的84%和89%,证明其具有良好的耐碱性.将该膜制备成膜电极,在80℃下测试单电池性能,开路电压为0.97V,在电流密度为150 mA/cm2时最大功率密度达到68 mW/cm2.

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