High power density supercapacitor devices based on nickel foam-coated rGO/MnCo2O4 nanocomposites

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dc.authorscopusid57208135369
dc.authorscopusid57205649417
dc.authorscopusid12344943400
dc.authorscopusid9735216100
dc.contributor.authorChebil, A.
dc.contributor.authorKuzgun, Özge
dc.contributor.authorDridi, C.
dc.contributor.authorAteş, Murat
dc.date.accessioned2022-05-11T14:03:23Z
dc.date.available2022-05-11T14:03:23Z
dc.date.issued2020
dc.departmentFakülteler, Fen Edebiyat Fakültesi, Kimya Bölümü
dc.description.abstractNew nanocomposite electrode material of rGO/MnCo2O4 was freely loaded on flexible substrate on nickel foam and prepared by a simple, cost-effective, and eco-friendly pathway. The results show that the spinel manganese cobaltite (MnCo2O4) with reduced graphene oxide (rGO) nanocomposite forms a uniform deposit and densely covers on the nickel foam (NF). The electrochemical measurements were investigated in three methods, such as cyclic voltammetry (CV), galvanostatic charge/discharge (GCD), and electrochemical impedance spectroscopy (EIS). The synergistic effects from rGO and MnCo2O4 deliver outstanding an excellent electrochemical performance that was not realized by any of these components alone. The electroactive material exhibits a high specific capacitance of Csp = 808 F/g at 2 mV/s in 1 M KOH solution. Furthermore, this device delivers an excellent power density of P = 7658 W/kg and a high energy density of E = 15.2 Wh/kg. More importantly, cycling retention is 135% after 1000 charge/discharge cycles. This study proposes that the as-prepared (rGO/MnCo2O4)/nickel foam has a potential application and a promising candidate for energy storage devices. © 2020, Springer-Verlag GmbH Germany, part of Springer Nature.
dc.description.sponsorshipMinistère de l’Enseignement Supérieur et de la Recherche Scientifique, MESRS
dc.description.sponsorshipThe authors received financial support from the Ministry of Higher Education and Scientific Research of Tunisia. Achref Chebil has studied in Ates polymer research group between 23 May 2019 and 7 August 2019 in Tekirdag Namik Kemal University, Turkey.
dc.identifier.doi10.1007/s11581-020-03713-3
dc.identifier.endpage5735
dc.identifier.issn0947-7047
dc.identifier.issue11en_US
dc.identifier.scopus2-s2.0-85089089541
dc.identifier.scopusqualityQ2
dc.identifier.startpage5725
dc.identifier.urihttps://doi.org/10.1007/s11581-020-03713-3
dc.identifier.urihttps://hdl.handle.net/20.500.11776/4687
dc.identifier.volume26
dc.identifier.wosWOS:000556618600001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKuzgun, Özge
dc.institutionauthorAteş, Murat
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofIonics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectElectrochemical performance
dc.subjectManganese cobaltite
dc.subjectNickel foam
dc.subjectReduced graphene oxide
dc.subjectSupercapacitor
dc.subjectCobalt compounds
dc.subjectCost effectiveness
dc.subjectCyclic voltammetry
dc.subjectElectrochemical impedance spectroscopy
dc.subjectEnergy storage
dc.subjectGraphene
dc.subjectManganese compounds
dc.subjectPotassium hydroxide
dc.subjectReduced Graphene Oxide
dc.subjectSupercapacitor
dc.subjectCharge/discharge cycle
dc.subjectElectroactive material
dc.subjectElectrochemical measurements
dc.subjectElectrochemical performance
dc.subjectGalvanostatic charge/discharge
dc.subjectHigh specific capacitances
dc.subjectNanocomposite electrodes
dc.subjectReduced graphene oxides (RGO)
dc.subjectFoams
dc.titleHigh power density supercapacitor devices based on nickel foam-coated rGO/MnCo2O4 nanocomposites
dc.typeArticle

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