TY - SER AU - Yang, liu AU - Hu, Hang AU - liu, Wei AU - Xiao, Min TI - Sulfonated Poly(Fluorenyl Ether Ketone) Ionomers Containing Aliphatic Functional Segments for Fuel Celi Applications KW - Copolymer KW - Proton Exchange Membrane (Pem) KW - Proton Conductivity ER -