Investigating the surface properties of red pepper industrial waste-based activated carbons for use as reversible supercapacitor electrodes

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dc.authorid0000-0001-5144-2800en_US
dc.authorid0000-0002-9879-8801en_US
dc.authorid0000-0002-8705-4372en_US
dc.contributor.authorİnal, İ. Işıl Gürten
dc.contributor.authorKoyuncu, Filiz
dc.contributor.authorGüzel, Fuat
dc.date.accessioned2023-08-17T12:51:31Z
dc.date.available2023-08-17T12:51:31Z
dc.date.issued2023en_US
dc.departmentDicle Üniversitesi, Fen Bilimleri Enstitüsü, Kimya Ana Bilim Dalıen_US
dc.description.abstractThis study presents the development of green and sustainable supercapacitor electrodes using activated carbons derived from industrial waste from red pepper (RPW) via conventional chemical activation using ZnCl2 at various carbonization/activation temperatures. The activated carbon samples were subjected to various analytical techniques, including elemental analysis, N2 adsorption-desorption, Raman, FT-IR, and SEM-EDS. The resulting carbon samples were then used to prepare standard coin-sized supercapacitor cells, which were tested using cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS) techniques with a 6 M KOH electrolyte. The BET surface area and surface functionality of the samples decreased as the temperature increased. The material produced at the highest temperature (AC800) exhibited the lowest gravimetric capacitance value (131 F/g). However, it demonstrated perfectly reversible electrochemical behavior with the highest capacitance retention of 50 % (between 0.5 A/g and 10 A/g) and cyclic stability (>96 %) over 10,000 cycles among all the other materials. Conversely, the electrode material produced at the lowest temperature (AC600) had the highest gravimetric capacitance value of 175 F/g but the lowest electrochemical stability due to the contribution of pseudo faradaic processes in the storage mechanism.en_US
dc.identifier.citationİnal, İ. I. G., Koyuncu, F. ve Güzel, F. (2023). Investigating the surface properties of red pepper industrial waste-based activated carbons for use as reversible supercapacitor electrodes. Diamond and Related Materials, (138), 1-9.en_US
dc.identifier.doi10.1016/j.diamond.2023.110212
dc.identifier.endpage9en_US
dc.identifier.issn1879-0062
dc.identifier.issn0925-9635
dc.identifier.issue138en_US
dc.identifier.scopus2-s2.0-85165458821
dc.identifier.scopusqualityQ1
dc.identifier.startpage1en_US
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S092596352300537X?via%3Dihub
dc.identifier.urihttps://hdl.handle.net/11468/12502
dc.identifier.wosWOS:001047555600001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKoyuncu, Filiz
dc.institutionauthorGüzel, Fuat
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofDiamond and Related Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectActivated carbonen_US
dc.subjectSupercapacitoren_US
dc.subjectZnCl2 activationen_US
dc.subjectSurface propertiesen_US
dc.subjectElectrochemical reversibilityen_US
dc.titleInvestigating the surface properties of red pepper industrial waste-based activated carbons for use as reversible supercapacitor electrodesen_US
dc.titleInvestigating the surface properties of red pepper industrial waste-based activated carbons for use as reversible supercapacitor electrodes
dc.typeArticleen_US

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