Acid Modified Carbon Nanotubes based Nafion Nanocomposite Membranes

N.P. Cele and S. Sinha-Ray (S. Africa)


Nafion, carbon Nanotubes, nanocomposite and Fuel cells


Carbon nanotubes (CNTs) containing Nafion composite membranes were prepared via melt-blending at 250°C. The effect of nitric acid oxidized CNTs (oCNTs) in composite membranes was investigated by focusing on three aspects: thermo-mechanical stability, thermal degradation, and proton conductivity. The oCNTs containing Nafion composite membrane exhibited concurrent improvement in most of the properties as compared to that of pure Nafion membranes.

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