Phosphate-grafted polyethyleneimine-induced multifunctional cerium oxide as an antioxidant for simultaneously enhancing the proton conductivity and durability of proton exchange membranes

Shengqiu Zhao, Yucong Liao, Rui Wang, Yao Li, Jiaqi Shuai, Letian Wang, B. Liu, Rui Chen, Tian Tian, Haining Zhang, Haolin Tang