Karafan Journal

Karafan Journal

Fabrication of Polyaniline Electrode Using Nickel Foam Substrate for Use in Supercapacitors Electrode

Document Type : Original Article

Author
Associate Professor, Department of Mechanical Engineering, Faculty of Mechanical Engineering, Technical and Vocational University (TVU), Tehran, Iran.
Abstract
Research on environmentally friendly energy storage devices is a necessary solution to solve the energy crisis and environmental pollution caused by it. A major challenge for superbarriers is to introduce cost-effective, stable and suitable electrode nanomaterials for further industrialization of these tools. For this purpose, in this research, a polyaniline electrode using a nickel foam substrate for use in supercapacitors was made. Using X-ray diffraction analysis, the crystal structure was studied and its surface morphology was examined using a scanning electron microscope. In addition, Idex mapping analysis showed the elements on the surface and how they are distributed. Investigations of current-voltage cycles were performed at different scanning speeds. The fabricated electrode showed faradaic behaviour with electron transfer. In addition, the electrochemical resistance was investigated using electrochemical impedance analysis, and the resistance due to charge transfer was found to be approximately 1.2 ohms. Finally, electrochemical investigations showed a specific capacity of 1100 F/g at a current density of 1 A/g.
Keywords
Subjects

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Volume 21, Issue 1 - Serial Number 66
Engineering & Technical
Spring 2024
Pages 321-333

  • Receive Date 01 January 2024
  • Revise Date 10 April 2024
  • Accept Date 11 May 2024