li, Ye Xie, Min Novel Branched Sulfonated Poly(Ether Ether Ketone)S Membranes for Direct Methanol Fuel Celis - 12051-12059 p. Subjects--Topical Terms: Branched PolymerPolymer Electrolyte Membrane (Pem)Sulfonated Poly(Ether Ether Ketone)S