TY - SER AU - li, Hongtao AU - Wu, Jing AU - Zhao, Chengji TI - Proton-Conducting Membranes Based on Benzimidazole-Containing Sulfonated Poly(Ether Ether Ketone) Compared with Their Carboxyl Acid Form KW - Sulfonated Poly(Ether Ether Ketone) KW - Pendant KW - Benzimidazole ER -