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Supriya S
Centre for Nano?materials & Displays, B.M.S. College of Engineering, Bull Temple Road, Basavanagudi, Bengaluru, Karnataka 560 019, India , Department of Chemistry, B.M.S. College of Engineering, Bengaluru, Bull Temple Road, Basavanagudi, Bengaluru, K
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering Industrial & Manufacturing Engineering

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Superior Supercapacitors based on Biowaste Materials V Bhat; Supriya S; G Hegde
Journal of Engineering and Scientific Research Vol. 1 No. 1 (2019)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1203.703 KB) | DOI: 10.23960/jesr.v1i1.6

Abstract

Carbon nano spheres derived from Allium cepa were synthesized at different temperatures in a one-step pyrolysis process for supercapacitor electrodes. Obtained carbon nano spheres were analyzed using SEM, FTIR, BET and XRD. The nano materials were fabricated into conducting electrodes for cyclic voltammetry, constant current charge-discharge and electrochemical impedance spectroscopy studies. All the studies were done in 3.0 M KOH electrolyte. Specific capacitance from charge discharge experiments were found to be 132.03 F/g and 149.49 F/g for nano materials synthesized at 500ºC and 600ºC respectively. Obtained values suggest a way forward in producing a green electrode for commercial applications.
Co-Authors G Hegde V Bhat