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Physico-chemical characterization of activated carbon synthesized from Datura metel's peels
DINGXINDA
#1 Posted : Tuesday, January 12, 2021 6:16:29 PM(UTC)
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Physico-chemical characterization of activated carbon synthesized from Datura metel's peels and comparative capacitive performance analysis in acidic electrolytes and ionic liquids
Oxygen-rich biomass-derived activated carbonwanyang carbon is synthesized for electrode materials using Datura metel peels as precursor. Herein, a simple approach activation and carbonization at the same time is utilized to synthesize activated carbon. The as-prepared material exhibits high BET surface area ~818 m2/g and high mesopores volume ~0.85 cm3/g. Owing to its high oxygen content, supercapacitor was fabricated using the as-prepared activated carbon as electrode material. The calculated value of specific capacitance is 76.4 F/g in the potential window of 0.8 V at scan rate of 20 mV/s using 1 M sulfuric acid (H2SO4) as aqueous electrolyte, revealing good electrochemical performance of prepared electrode material. Furthermore, the assembled cell in the potential range 0–0.8 V yields an energy density of 6.79 Wh/kg at power density 24,450 W/kg. According to the above features, it can be suggested that Datura metel peel is a low cost, and green renewable candidate for the synthesis of activated carbonsilver activated carbon for its application as electrode material for high efficiency supercapacitor application.
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