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Progress in the research of ionic conductivity and alkaline stability of anion exchange membranes

Authors： YIN Zhuoyu, WU Hong, JIANG Zhongyi

Units： School of Chemical Engineering, Tianjin University, Tianjin 300350，China

KeyWords： alkaline membrane water electrolysis； fuel cells； anion exchange membrane； ion conductivity；alkaline stability

ClassificationCode：TQ021.4

year,volume(issue):pagination： 2023,43(6):112-127

Abstract：

Alkaline membrane water electrolysis and fuel cell technology are important hydrogen production and utilization technologies in the hydrogen energy industry chain. As the core component of alkaline membrane electrolyzer and fuel cell, the anion exchange membrane (AEM) plays an important role in transferring hydroxide ions, blocking gas permeation, and separating positive and negative electrodes, which determines the efficiency and performance of the electrochemical process. The low hydroxide conductivity and poor alkaline stability of existing AEM seriously limit the efficiency of hydrogen production and conversion. This paper reviews recent developments in AEM for alkaline membrane water electrolysis and fuel cell, in particular the methods and progress in enhancing ion conductivity and improving alkaline stability, and the influence of membrane material chemical composition and structure on membrane performance.

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AuthorIntro：

尹卓毓（1996-），男，河南禹州人，硕士研究生，研究方向为离子交换膜，E-mail：zhuoyuyin@tju.edu.cn

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