Recent advancements in applications of alkaline anion exchange membranes for polymer electrolyte fuel cells

Anion exchange membranes (AEMs) play prominent role in addressing alkaline fuel cell efficiency and cost. Great deal of efforts has been made in the past, particularly during the last couple of years to reach AEMs with high hydroxide conductivity, good chemical/thermal/mechanical stability, fuel cross-over resistance and low cost. The purpose of this review is to summarize and discuss the progress on the development of different AEMs for alkaline fuel cells over the last three years. The alternative AEMs based on the modified synthetic and sustainable polymers, organic/inorganic hybrid materials and additives are reviewed in the context of AEM materials.