摘要
聚合物阴离子交换膜作为一种电化学能源转换装置的核心组件,其性能的提升对推动新能源技术的发展具有重要的意义。该文简述了聚合物阴离子交换膜应用面临的主要挑战,如离子电导率低、稳定性差等。为深入理解其根源,进一步从分子结构层面上对聚合物阴离子膜的离子传输和化学降解机理进行深入分析;从离子基团、聚合物主链、微观相分离结构3个方面总结了实现高离子电导率和高稳定性阴离子交换膜的策略,分析了影响阴离子交换膜性能的关键因素;概述了阴离子交换膜在电化学能源转换研究领域(如燃料电池、水电解、二氧化碳电化学转化和液流电池等)的最新应用进展;最后,对阴离子交换膜的研究方向进行了展望,旨在为实现其大规模商业化应用提供参考。
Performance improvement of polymer anion exchange membrane,the core component of electrochemical energy conversion device,is of great significance for advancing the development of new energy technology.In this review,the main challenges in the application of polymer anion exchange membranes,such as low ionic conductivity and poor stability,was briefly introduced,while,to delve into the root causes of these issues,the mechanisms of ion transport and chemical degradation of polymer anion exchange membranes were also analyzed at the molecular structure level.Subsequently,the strategies for achieving high ion conductivity and stability of anion polymer exchange membrane were summarized from the three aspects of ion groups,polymer main chains and microphase separation structures,followed by analysis on the key performance influencing factors.The latest progress in the application of polymer anion exchange membranes in electrochemical energy conversion(fuel cells,water electrolysis,carbon dioxide electrochemical conversion,flow batteries,etc.)was further reviewed.Finally,the future research directions were discussed to provide reference for their design toward the large-scale commercial applications.
作者
曲超
王长生
QU Chao;WANG Changsheng(School of Chemistry and Chemical Engineering,Liaoning Normal University,Dalian 116029,Liaoning,China;Division of Energy Storage,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,Liaoning,China)
出处
《精细化工》
北大核心
2026年第2期256-270,326,共16页
Fine Chemicals
基金
国家自然科学基金项目(21925804、21406221)。
