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Reduced Graphene Oxide/α-Fe2O3 Fibres as Active Material for Supercapacitor Application

Radić, Gabrijela; Šajnović, Ivan; Petrović, Željka; Kraljić Roković, Marijana (2018) Reduced Graphene Oxide/α-Fe2O3 Fibres as Active Material for Supercapacitor Application. Croatica Chemica Acta, 91 (4). pp. 481-490. ISSN 0011-1643

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The composite hydrogel, composed of reduced graphene oxide and α-Fe2O3 fibres (rGO/α-Fe2O3), was successfully prepared by the hydrothermal procedure starting from GO and α-Fe2O3 nanofibres. According to the SEM and XRD results, α-Fe2O3 fibres are distributed between rGO sheets increasing the inter-sheet space. The rGO/α-Fe2O3 composite was tested as an active material in supercapacitor by means of cyclic voltammetry, galvanostatic charging/discharging and electrochemical impedance spectroscopy in 0.5 mol dm–3 Na2SO4. The obtained results confirmed a positive effect of the α-Fe2O3 addition on capacitive properties. Improved capacitive properties of the composite make this material suitable for supercapacitor application.

Item Type: Article
Uncontrolled Keywords: composite ; hematite fibres ; hydrothermal method ; reduced graphene oxide ; supercapacitor
Subjects: NATURAL SCIENCES > Chemistry > Physical Chemistry
TECHNICAL SCIENCES > Chemical Engineering
Divisions: Division of Materials Chemistry
Project titleProject leaderProject codeProject type
Nastajanje i svojstva 1D alfa-Fe2O3 nanostruktura dopiranih odabranim metalnim ionimaMira RistićHRZZ-IP-2016-06-8254HRZZ
Elektrokemijski superkondenzator visoke snage i velikog sadržaja energije za primjenu u električnim vozilima-ESUP-CAPZoran MandićIP-2013-11-8825HRZZ
Depositing User: Željka Petrović
Date Deposited: 22 Aug 2019 14:29
DOI: 10.5562/cca3452

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