Proton exchange membrane deriving from sulfonated N-heterocyclic poly(aryl ether ketone)s containing ether-free proton conducting units and performing enhanced physicochemical stability and conduction properties

Qian Liu, Shouhai Zhang, Fanchen Sun, Peiqi Xu, Chenghao Wang, Lin Zhuo, Zijian Li, Kang Niu, Zhaoqi Wang, Xigao Jian