Fabrication of carbonized flakes epoxy electrode using lemon rind for supercapacitor applications

M.R. Anil Kumar; C.R. Ravikumar; H.C. Ananda Murthy; Mir Waqas Alam; H.P. Nagaswarupa; B.R. Mohan; M.S. Santosh; M. Rudresh; A. Murugan; Satish Babu Boppana

Case Studies in Chemical and Environmental Engineering (Jun 2021)

Fabrication of carbonized flakes epoxy electrode using lemon rind for supercapacitor applications

M.R. Anil Kumar,
C.R. Ravikumar,
H.C. Ananda Murthy,
Mir Waqas Alam,
H.P. Nagaswarupa,
B.R. Mohan,
M.S. Santosh,
M. Rudresh,
A. Murugan,
Satish Babu Boppana

Affiliations

M.R. Anil Kumar: Research Centre, Department of Chemistry, East West Institute of Technology, VTU, Bangalore, 560091, Karnataka, India; Corresponding author.
C.R. Ravikumar: Research Centre, Department of Chemistry, East West Institute of Technology, VTU, Bangalore, 560091, Karnataka, India; Corresponding author.
H.C. Ananda Murthy: Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O. Box 1888, Adama, Ethiopia
Mir Waqas Alam: Department of Physics, College of Science, King Faisal University, P.O. Box 400, Hofuf, Al-Hassa, 31982, Saudi Arabia
H.P. Nagaswarupa: Department of Studies in Chemistry, Davangere University, Shivagangothri, Davangere, 577007, Karnataka, India
B.R. Mohan: Department of Geology, Bangalore University, Bangalore, 560056, Karnataka, India
M.S. Santosh: Centre for Incubation, Innovation, Research and Consultancy (CIIRC), Jyothi Institute of Technology, Bangalore, 560082, Karnataka, India
M. Rudresh: Research Centre, Department of Aeronautical Engineering, Dayananda Sagar College of Engineering, Bangalore, 560078, Karnataka, India
A. Murugan: Department of Chemistry, North Eastern Regional Institute of Science and Technology, Nirjuli, 791109, Itanagar, Arunachal Pradesh, India
Satish Babu Boppana: Mechanical Engineering, School of Engineering, Presidency University, Bangalore, 560064, Karnataka, India

Journal volume & issue: Vol. 3
p. 100090

Abstract

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The present study confirms the application of phytochemicals of Lemon rind (LR) towards the synthesis of activated carbon using a low temperature carbonization method. The structural, morphological, and electrochemical properties of the prepared carbonized flakes epoxy (CFE) electrode has been analyzed using various characterization techniques. The electrochemical double layer capacitance (EDLC) behavior of the LR-activated carbon has been evaluated. The synthesized LR-activated carbon material exhibited flake like structure along with hydroxyl groups as confirmed by studies by scanning electron microscope (SEM), X-ray diffractometer (XRD), and Fourier transform infrared (FTIR) spectroscope. In addition, the band gap energy (Eg) has been estimated using diffused reflectance spectroscopy (DRS-UV-Vis) and found to be 2.06 eV. The electrochemical property of CFE-electrode was studied utilizing cyclic voltammetric (CV) and electrochemical impedance spectroscopic (EIS) techniques. The galvanostatic charge–discharge tests for this prepared carbon flake electrode demonstrated excellent capacitance performance, making it favorable for the fabrication of supercapacitors. These progressive results could be considered for the enlargement of novel assets to scale for power-storage utility using low-cost carbon materials in various energy storage applications as well.

Published in Case Studies in Chemical and Environmental Engineering

ISSN: 2666-0164 (Online)
Publisher: Elsevier
Country of publisher: United Kingdom
LCC subjects: Technology: Engineering (General). Civil engineering (General): Environmental engineering; Technology: Chemical technology: Chemical engineering
Website: https://www.journals.elsevier.com/case-studies-in-chemical-and-environmental-engineering

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