TY - BOOK AU - Ahmed Mohamed Mahmoud Hanafy AU - Mahmoud Ibrahim Nasr , AU - Shackinaz Taha Elsheltawy , TI - Preparation of nano-composite membranes / PY - 2013/// CY - Cairo : PB - Ahmed Mohamed Mahmoud Hanafy , KW - Nano- magnetite KW - Poly ether sulfone KW - Polymer electrolyte membrane N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Chemical Engineering; Issued also as CD N2 - Recent energy concern forced the researcher to achieve highly performing fuel cells with lowest cost . The nafion as an expensive moderately performing membrane have to be replaced by cheaper but higher after modification performing poly ether sulfone . In this light developing the poly ether sulfone to be higher performer was triggered UR - http://172.23.153.220/th.pdf ER -