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Preparation of piperidinium-functionalized side-chain-type anion exchange membranes

Authors： LIN Chenxiao, BU Junjie, LIU Fanghua, ZHANG Qiugen, ZHU Aimei, LIU Qinglin*

Units： The College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005

KeyWords： piperidinium; side-chain-type; anion exchange membranes; alkaline fuel cells

ClassificationCode：

year,volume(issue):pagination： 2018,38(3):1-8

Abstract：

Abstract: Fuel cells have become research hotpot due to their high efficiency and low pollution. As one of the core component of fuel cells, anion exchange membranes (AEMs) still face the dilemma of low conductivity and poor alkaline stability. Herein, side-chain-type anion exchange membranes are prepared by grafting piperidinium groups into poly(ether ketone)s backbone via Williamson reaction. The piperidinium groups are designed to connect the poly(ether ketone)s backbone via long alkyl spacers. As a result, all the AEMs demonstrate obvious microphase separated morphology in the membranes and

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