Abstract
Simultaneous gamma irradiation was used effectively for grafting facilitation of glycidyl methacrylate (GMA) and styrene (Sty) onto polyvinylidine fluoride (PVDF). Grafting percent was 122 when monomers ratio are 30% Sty and 70% GMA at 20KGy gamma irradiation dose. Characterization of the membrane was performed using FT-IR, ion exchange capacity (IEC), water uptake. Mechanical behavior such as tensile strength was studied while morphological structure of the membrane was carried out by scan electron microscope (SEM). The membrane with degree of grafting 122% showed higher IEC (1.2mmol/cm) than those of Nafion membrane with corresponding proton conductivity of 5.7×10−2S/cm similar to it. Operating the fuel cell unit showed higher voltage of the prepared membranes than that of Nafion 211. The prepared membranes stability for 300h work approved their applicability from the cost benefit point of view.
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