SEARCH Articles Figures Tables Cation Exchange Membranes Combined with Conducting Polymers Composite polymer electrolytes proton exchange membrane fuel Fuel cell polymer exchange membrane High-temperature proton exchange acid-base polymer membrane Hydrocarbon polymers proton exchange membranes based Nafion polymers, polymer exchange membranes Polymer Exchange Membrane Fuel Cell PEMFC) Polymer membranes Proton exchange membrane polymer blends Proton exchange polymer membranes Solid polymer electrolytes cation exchange membrane-based