2011
DOI: 10.12693/aphyspola.120.66
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Enhanced Capacitance of Porous Carbon Electrodes through Deposition of Small Amounts of NiO

Abstract: Amorphous carbon and NiO/carbon composites were used as an electrode material for supercapacitors. The investigations were performed to evaluate the influence of the Ar/C 2 H 2 ratio on the capacitance values of carbon and NiO/carbon electrodes. The surface morphology of the carbon electrodes changes from snowflake-like to columnar with the increase of the Ar/C 2 H 2 ratio. The Raman scattering spectroscopy results demonstrated that the I D /I G ratio decreases from 1.33 to 0.91 with the increase of the Ar/C 2… Show more

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