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Electrochemical Performance of Biomass-Derived AC and CNTs-Based Supercapacitors
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Author(s): Meiram Atamanov (Kazakh National Womenâs Teacher Training University, Kazakhstan), Tolganay Atamanova (Al-Farabi Kazakh National University, Kazakhstan), Azamat Taurbekov (Al-Farabi Kazakh National University, Kazakhstan)and Zulkhair Mansurov (Al-Farabi Kazakh National University, Kazakhstan)
Copyright: 2025
Pages: 24
Source title:
Innovative Materials for Industrial Applications: Synthesis, Characterization and Evaluation
Source Author(s)/Editor(s): Assia Mabrouk (Ibn Zohr University, Morocco), Ahmed Bachar (Ibn Zohr University, Morocco), Seitkhan Azat (Satbayev University, Kazakhstan)and Rachid Amrousse (University of Chouaib Doukkali, Morocco)
DOI: 10.4018/979-8-3693-7505-1.ch009
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Abstract
This study investigates the electrochemical performance of activated carbon (AC) derived from two biomass sources, rice husk (RH) and walnut shell (WS), utilizing two activation methods: chemical activation with potassium hydroxide (KOH) and physical activation with carbon dioxide (CO2). The aim is to evaluate the potential of these bio-derived carbon materials in energy storage applications, particularly for supercapacitors. The electrochemical behavior of the activated carbon electrodes was assessed using cyclic voltammetry (CV) and galvanostatic charge-discharge (GCD) techniques, along with electrochemical impedance spectroscopy (EIS), to evaluate the specific capacitance, energy density, charge transfer resistance, and ion diffusion properties.
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