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A new nanocomposite material based on biochar and nickel oxide (BC–NiO) was prepared by a simple co-precipitation method, using exhausted Acacia mearnsii de Wild as the biomass and nickel salts.… Click to show full abstract
A new nanocomposite material based on biochar and nickel oxide (BC–NiO) was prepared by a simple co-precipitation method, using exhausted Acacia mearnsii de Wild as the biomass and nickel salts. The nanocomposite was obtained by pyrolysis at 700 °C and characterized by Raman spectroscopy, transmission electronic microscopy and DRX. Electrodes were assembled and the electrochemical properties were evaluated by cyclic voltammetry and galvanostatic charge/discharge curves. The specific capacitance of 10.66 F g −1 was found in an asymmetric configuration, presenting an interesting alternative for energy storage devices.
Journal Title: Chemical Papers
Year Published: 2019
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