Chemically exfoliated refined carbon from industrial tea waste for capacitive energy storage

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Güngör, Ahmet and Akgül, Gökçen and Bakan Mısırlıoğlu, Feray and Erdem, Emre (2024) Chemically exfoliated refined carbon from industrial tea waste for capacitive energy storage. Physica Scripta, 99 (3). ISSN 0031-8949 (Print) 1402-4896 (Online)

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Abstract

Graphitic carbon materials, renowned as favored energy storage materials, offer exceptional features such as a high surface area, customizable surface functionality, stability, and durability and have been extensively investigated. However, identifying highly efficient, cost-effective, sustainable, and environmentally friendly materials and sources is the predominant challenge. Abundant natural biomass, the sole renewable carbon resource, is a promising capacitive graphitic carbon reservoir. This study explores the catalytic carbonization of biomass derived from industrial tea waste, employing FeCl3 as a graphitization agent. Subsequently, the biomass undergoes chemical exfoliation to produce graphene-like compounds. The electrochemical performances are comprehensively examined. This innovative technique aims to modulate the capacitance of the refined carbonaceous material, which has increased from 30 F g−1 to 81 F g−1 through the chemical exfoliation of resistive oxygenated groups, rendering it suitable for a prospective supercapacitor application.
Item Type: Article
Uncontrolled Keywords: carbon; chemically; exfoliated; industrial; refined; waste
Divisions: Faculty of Engineering and Natural Sciences
Sabancı University Nanotechnology Research and Application Center
Depositing User: Emre Erdem
Date Deposited: 09 Jun 2024 14:56
Last Modified: 09 Jun 2024 14:56
URI: https://research.sabanciuniv.edu/id/eprint/49186

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