Journal of Scientific and Technical Research (Sharda University, Noida)

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Characterization of Supercapacitor Fabricated from Beli Fruit (Aegle Marmelos) Shell Activated Carbon for the First Time


Affiliations
1 Nano Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka
     

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We developed activated carbon from the Aegle marmelos fruit shell also known as Beli. Firstly, its carbonaceous process is done by a typical process. H3PO4 treatment was used to activate the carbonaceous material. Activated material is characterized by using Scanning Electron Microscope and Brunauer-Emmett-Teller (BET) specific surface areas. Calculated BET surface area of the fabricated supercapacitor is 517 m2/g. Electrochemical characterization was carried out through cyclic voltammetry, charge/discharge and electrochemical impedance spectro-scopy. Highest specific capacitance of 59 F/g and energy density of 8.19 kW/h for highest specific capacitance was obtained from the charge discharge curve. Obtained equivalent serial resistance is 0.414 Ω from equivalent circuit.

Keywords

Activated Carbon, Beli Fruit Shell, Specific Capacitance, Supercapacitors.
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  • Characterization of Supercapacitor Fabricated from Beli Fruit (Aegle Marmelos) Shell Activated Carbon for the First Time

Abstract Views: 355  |  PDF Views: 4

Authors

G. G. Chathuranga
Nano Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka
N. W. P. S. Perera
Nano Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka
U. S. Liyanaarchchi
Nano Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka
C. A. N. Fernando
Nano Technology Research Laboratory, Department of Electronics, Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka

Abstract


We developed activated carbon from the Aegle marmelos fruit shell also known as Beli. Firstly, its carbonaceous process is done by a typical process. H3PO4 treatment was used to activate the carbonaceous material. Activated material is characterized by using Scanning Electron Microscope and Brunauer-Emmett-Teller (BET) specific surface areas. Calculated BET surface area of the fabricated supercapacitor is 517 m2/g. Electrochemical characterization was carried out through cyclic voltammetry, charge/discharge and electrochemical impedance spectro-scopy. Highest specific capacitance of 59 F/g and energy density of 8.19 kW/h for highest specific capacitance was obtained from the charge discharge curve. Obtained equivalent serial resistance is 0.414 Ω from equivalent circuit.

Keywords


Activated Carbon, Beli Fruit Shell, Specific Capacitance, Supercapacitors.

References