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Anion exchange membrane fuel cells (AEMFCs) have been considered as a promising energy device. To make highly efficient AEMs, high ion conductivity, mechanical stabilities and alkaline stabilities are required. High ion conductivity generally accompanies poor mechanical properties, and crosslinking has been widely applied to overcome these problems. Our groups introduced novel terminally-crosslinked piperidinium-functionalized poly(arylene ether sulfone)s as a anion exchange membrane. Unlike the typical AEMs, our terminally-crosslinked membranes are expected to have high conductivity, especially at low RH conditions due to enhanced water-holding capacity, while maintaining the high chemophyscial stabilities by crosslinking. The synthesis, and properties of the prepared membranes will be discussed in detail.
