Mango-Stone-Derived Nitrogen-Doped Porous Carbon for Supercapacitors

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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

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Yi Wang¹, Xinzi Yuan¹, Xingyu Guan²

¹College of Chemistry and Material Engineering, Guiyang University, Guiyang 550005, China.

|September 23, 2022

Abstract:

The preparation of N-doped porous carbon (NC-800) is presented via facile mango stone carbonization at 800 °C. The NC-800 material exhibits good cycle stability (the capacity retention is 97.8% after 5000 cycles) and high specific capacitance of 280 F/g at 1 A/g. Furthermore, the assembled symmetric device of NC-800//NCs-800 exhibits about 31.1 Wh/kg of energy density at 800 W/kg in a voltage range of 0-1.6 V. The results of the study suggest that NC-800 may be a promising energy storage material for practical application.

Keywords:

mango stone nitrogen-doped porous carbon symmetric supercapacitor

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