Alkaline Membranes toward Electrochemical Energy Devices: Recent Development and Future Perspectives

Anion-exchange membranes (AEMs) that can selectivelytransportOH(-), namely, alkaline membranes, are becoming increasinglycrucial in a variety of electrochemical energy devices. Understandingthe membrane design approaches can help to break through the constraintsof undesired performance and lab-scale production. In this Outlook,the research progress of alkaline membranes in terms of backbone structures,synthesis methods, and related applications is organized and discussed.The evaluation of synthesis methods and description of membrane stabilityenhancement strategies provide valuable insights for structural design.Finally, to accelerate the deployment of relevant technologies inalkaline media, the future priority of alkaline membranes that needsto be addressed is presented from the perspective of science and engineering. This Outlook presents the advances andchallenges for alkalinemembranes toward electrochemical energy devices.

Automated summary

Anion-exchange membranes that selectively transport OH(-), known as alkaline membranes, are increasingly important for electrochemical energy devices. This article discusses the research progress of alkaline membranes in terms of backbone structures, synthesis methods, and applications. The evaluation of synthesis methods and description of membrane stability enhancement strategies provide valuable insights for structural design. The future priority of addressing alkaline membranes from a scientific and engineering perspective is presented to accelerate the deployment of relevant technologies in alkaline media.