A series of novel hybrid organic-inorganic membranes based on sulfonated naphthalimides and phosphotungstic acid N-methylpyrrolidone were prepared from a NMP solution. These materials, composed of two proton-conducting components, have good mechanical properties, high ionic conductivities (⁠10.5×10−2S∕cm at 80°C⁠) and good fuel cell performances at 70°C⁠.

Issue Section:
Special Issue Research Papers
Keywords:
sulfonated polyimides, ion-exchange membranes, phosphotungstic acid, fuel cell, PEMFC, proton exchange membrane fuel cells, organic-inorganic hybrid materials, membranes, polymer electrolytes, ionic conductivity, solid electrolytes
Topics:
Fuel cells, Membranes, Polymers, Water, Protons, Density
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