Preparation and Characterization of Polymer Electrolyte Membranes by Radiation Grafted Copolymerization

Jun Fang; Chang Ming Zhang; Yi Xu Yang

doi:10.4028/www.scientific.net/AMR.485.110

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Preparation and Characterization of Polymer Electrolyte Membranes by Radiation Grafted Copolymerization
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Preparation and Characterization of Polymer Electrolyte Membranes by Radiation Grafted Copolymerization

Abstract:

Novel anion exchange membranes were synthesized by grafted copolymerization of 1-vinylimidazole onto pre-irradiated ethylene-tetrafluoroethylene copolymer (ETFE) film, followed by quaternization and alkalization. The structure of the membranes was studied by Fourier transform infrared (FT-IR). The physicochemical and electrochemical properties of the membranes were also characterized. The ionic conductivity of the synthesized membrane is 0.03 S/cm at 30°C. This result indicates that the membrane is suitable polymer electrolyte membrane and so may find potential applications in alkaline membrane fuel cells.