Transformative Progress in Anion Exchange Membranes for Fuel Cell Technology

Abstract

Alkaline anion exchange membrane fuel cells (AAEMFC) have gained significant attention in recent years due to their utilization of inexpensive metals. However, the conductivity of anion exchange membranes in fuel cells still falls short when compared to the extensively researched proton exchange membrane fuel cells (PEMFC). At-large, researchers actively working towards the advancement of anion exchange membranes that possess superior ionic conductivity, alkaline resistance, and mechanical stability. This work attempt to comprehensive review the recent transformative progress to attain efficient anion exchange membranes through both experimentation and computational approaches. The review delves into different aspect of anion exchange membrane performance such as polymer structure, pendant group modifications, morphological traits, water management etc. to ensure high ionic conductivity and alkaline stability. Additionally, the review explores diverse strategies to safeguard the cationic functional groups to address the concern of deterioration. To understand role of pivotal factors, the insights for the design of anion exchange to emphasis on high conductivity enriched by encapsulating recent advancements including molecular studies. The alkaline stability and hydration control of anion exchange membranes are key parameters to focus on exceptional performance potential for forthcoming applications.