Biomass stemmed activated carbon electrodes toward a significant electric double-layer capacitor

  • Abhimanyu Singh
  • , Gaurav Nath
  • , Pawan Singh Dhapola
  • , Sushant Kumar
  • , Tejas Sharma
  • , Yee Hang Soo
  • , H. K. Jun
  • , Pramod K. Singh
  • , Sunanda Kakroo
  • , Aalia Farid
  • , Marium Khan
  • , Serguei V. Savilov
  • , M. Z.A. Yahya
  • , Bhawana Joshi

Research output: Contribution to journalArticlepeer-review

Abstract

The primary goal of the current study is to improve the specific capacitance of electric double-layer (EDLC) device using biomass (Tribulus Terrestris) derived activated carbon electrodes synthesized by chemical activation method. Furthermore, high surface area carbon electrodes are characterized using X-ray diffraction (XRD), RAMAN spectroscopy, and scanning electron microscopy (SEM) to confirm the morphological structure. Finally, the electrochemical performance of fabricated EDLC proves a good agreement data using Cyclic Voltammetry (CV), Low Impedance Spectroscopy (LIS), and Galvanostatic Charge–Discharge (GCD) analysis showing the high specific capacitance of 115 Fg−1 for the optimized 1:2 activated carbon material.

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalMaterials for Renewable and Sustainable Energy
Volume12
Issue number1
DOIs
Publication statusPublished - Apr 2023
Externally publishedYes

Keywords

  • Activated carbon electrodes
  • Cyclic voltammetry
  • Electric double layer capacitor
  • Specific capacitance
  • Tribulus Terrestris

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