A Fractal, Flower Petal-like CuS-CuO/G-C3N4 Nanocomposite for High Efficiency Supercapacitors
Source abstract
Abstract
A fractal, flower petal-like CuS-CuO/G-C3N4 nanocomposite is prepared and applied in a symmetric two-electrode supercapacitor. The preparation of CuS-CuO/G-C3N4 is carried out through the hydrothermal method, in which salts of copper are dissolved and mixed with a suspension of G-C3N4 nanoparticles. A symmetric two-electrode supercapacitor, formed from CuS-CuO/G-C3N4 paste on Au-plates is investigated. The measurements are carried out in diluted 0.5 M HCl, and Whatman filter paper is used as a separator. The supercapacitor electric properties are determined by measuring the charge/discharge, cyclic voltammetry, impedance, and lifetime parameters. An enhancement in the charge/discharge time from 65 to 420 s was recorded while decreasing the current density (J) from 1.0 to 0.3 A/g. The cyclic voltammetry behavior is studied from 50 to 300 mV·s−1, causing a direct increase in the produced J values. The specific capacitance (CS) and energy density (E) values are 370 F/g and 37 W·h·kg−1, respectively. The magnificent properties of the prepared supercapacitor qualify it for industrial applications as an alternative to batteries.
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Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Electrochemical sensors and biosensors · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
Nanophotonics and Applications Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef 62514, Egypt
TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef University, Beni Suef 62514, Egypt
Chemistry Department, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait
Department of Physics, Khalifa University of Science and Technology, Abu Dhabi 127788, United Arab Emirates
Nanomaterials Science Research Laboratory, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef 62514, Egypt
Funding
Princess Nourah bint Abdulrahman University
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