Abstract

Carbon nanostructures, such as carbon nanowires, nanotubes, nanosheets, have found applications in many areas – from electronics to medicine. Recently, they attracted particular attention as materials for energy storage due to their large aspect ratios, specific surface areas, and electrical conductivity. An efficient method for their deposition on metallic surfaces at atmospheric pressure is microwave plasma-enhanced chemical vapor deposition (MPECVD). In this study, metallic surfaces with deposited carbon nanostructures were used for preparation of capacitor electrodes. The capacitance of an electrolytic capacitor with metal electrodes without and with deposited carbon nanostructures was measured by an electronic system. The resulting high value of the capacitance of a capacitor with electrodes with deposited carbon nanostructures is discussed on the basis of these structures morphology as studied by SEM.

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