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Research Article Open access CC BY 4.0

Nontoxic Approach to Porous Carbon Activation from Cassava Peels Using Sodium Thiosulphate for Supercapacitor Applications

T. E. Amakoromo, J. A. Amusan, O. E. Abumere

Journal of Materials Science Research and Reviews · pp. 543–551 · Published 19 Oct 2021

Abstract

Abundantly available cassava peels waste was used to prepare porous activated carbon using a nontoxic activating agent, sodium thiosulphate (Na2S2O3). The activation was done under nitrogen flow at 8000C. The resulting porous carbon showed good surface area of 306 m2g-1. The supercapacitor electrodes fabricated from the activated carbon exhibited excellent electrochemical characteristics; showing a specific capacitance of 93.4 Fg-1 while withstanding excellent performance even up to a voltage window of 1.1V.

Supercapacitors cassava peels activated carbon specific capacitance charge storage porous carbon

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