TY - SER AU - li, Ye AU - Lu, X TI - Composite Membranes Based on Sulfonated Poly(Aryl Ether Ketone)S ContainingHexafluoroisopropylidene Diphenyl MoIETy and Poly(Amic Acid) for Proton Exchange Membrane Fuel Celi Application KW - Proton Exchange Membrane (Pem) KW - Composite Membrane ER -