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Examination of hybrid electrode material for energy storage device supercapacitor under various electrolytes

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2024, 34(6), pp.1639-1652
  • DOI : 10.1007/s42823-024-00713-5
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : November 25, 2023
  • Accepted : February 29, 2024
  • Published : July 1, 2024

Patrick Joselene Suzan Jennifer 1 Subrayapillai Ramakrishna Niranjana 2 Sankar Muthupandi 1 Joseph Madhavan 1 Moses Victor Antony Raj 1 Saravanabhavan Shanmuga Sundar 3 Appusamy Muthukrishnaraj 3 Ayyar Manikandan 4

1Affiliated to the University of Madras
2Department of Physics, Panimalar Engineering College
3Department of Biotechnology, Aarupadai Veedu Institute of Technology, Vinayaka Mission’s Research Foundation (DU)
4Department of Chemistry, Karpagam Academy of Higher Education

Accredited

ABSTRACT

Energy storage is one of the leading problems being faced globally, due to the population explosion in recent times. The conventional energy sources that are available are on the verge of extinction, hence researchers are keen on developing a storage system that will face the upcoming energy needs. Supercapacitors, also known as ultracapacitors or electrochemical capacitors, are advanced energy storage devices characterised by high power density and rapid charge–discharge cycles. Unlike traditional batteries, supercapacitors store energy through electrostatic separation, offering quick energy release and prolonged operational life. They hold exceptional performance in various applications, from portable electronics to electric vehicles, where their ability to deliver bursts of energy efficiently complements or replaces conventional energy storage solutions. Ongoing research focuses on enhancing energy density and overall efficiency, positioning supercapacitors as pivotal components in the evolving landscape of energy storage technologies. A novel electrode material of NiO/CuO/Co3O4/rGO was synthesized which when used as a supercapacitor, the highest value of CS is 873.14 F/g which is achieved for a current density of 1 A/g under with an energy density of 190 Wh/kg and the highest power density of 2.5 kW/kg along with 87.3% retention after 5000 GCD cycles under 1 M KOH.

Citation status

Scopus Citation Counts (3) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

* References for papers published after 2023 are currently being built.