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We report preparation and characterization of novel nanocomposite electrodes consisting of single-walled carbon nanotubes (SWNT) and polypyrrole (PPy) for electrochemical supercapacitors. The electrodes in the form of papers and fibers were prepared by i) vacuum filtration of SWNT/PPy methanol dispersion and ii) wet-spinning of SWNT/PPy aqueous dispersion, respectively. Electrochemical properties...
FeCo alloy nanoparticles with diameters about 18nm were synthesized by wet chemical technique, which were characterized by transmission electron microscopy (TEM), X-ray powder diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and energy-dispersive X-ray spectrometry (EDX). XRD analysis indicates that the FeCo alloy nanoparticles supported on the surface of carbon nanotubes...
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