Cover Image

Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor

CoFe2O4/Graphene Nanoribbons (GNRs) nanocomposite was successfully fabricated and utilised as an electrode active material for high-energy supercapacitor cells. Thanks to the outstanding physicochemical features of a graphene nanoribbon with excellent electrical conductivity and the synergistic effe...

Full description

Saved in:
Bibliographic Details
Main Authors: Xia, Changlei, Ren, Tiyao, Darabi, Rozhin, Shabani-Nooshabadi, Mehdi
Format: Article
Published: Elsevier Ltd 2023
Subjects:
T Technology (General)
Online Access:http://eprints.utm.my/106741/
http://dx.doi.org/10.1016/j.energy.2023.126914
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.utm.106741
record_format eprints
spelling my.utm.1067412024-07-28T06:16:07Z http://eprints.utm.my/106741/ Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor Xia, Changlei Ren, Tiyao Darabi, Rozhin Shabani-Nooshabadi, Mehdi T Technology (General) CoFe2O4/Graphene Nanoribbons (GNRs) nanocomposite was successfully fabricated and utilised as an electrode active material for high-energy supercapacitor cells. Thanks to the outstanding physicochemical features of a graphene nanoribbon with excellent electrical conductivity and the synergistic effect with cobalt ferrite, as well as the pseudocapacitive effect. The CoFe2O4/GNRs nanohybrid offered an exceptional specific capacitance of 922 F g-1 (415 C g-1) at 1.0 A g-1 in 3.0 M KOH electrolyte in a standard 3-electrode set-up. Additionally, the impressive supercapacitive performance metrics showed that the suggested electrode had a distinctive morphology and could be a candidate for capacitive energy storage systems. These metrics included good cycle stability and 87% capacitance retention at the end of the 10,000th CV cycle. Moreover, the asymmetric supercapacitor cell (ASC) was designed by assembling CoFe2O4/GNRs and activated carbon (AC). The resultant ASC provided an improved specific capacitance of 487.85 F g-1 (683 C g-1) at 1.0 A g-1. At this current density value, the energy density and the power density values were computed as to be 132.8 Wh.kg-1 and 632.39 W kg-1. The highest power density was discovered to be 6730.76 W kg-1 at 10.0 A g-1, whereas the energy density was determined as 8.75 Wh.kg-1 at this current density. The results of the work proved that CoFe2O4/GNRs nanohybrids are up-and-coming electrode active materials for advanced electrochemical energy storage and conversion technologies. Elsevier Ltd 2023 Article PeerReviewed Xia, Changlei and Ren, Tiyao and Darabi, Rozhin and Shabani-Nooshabadi, Mehdi (2023) Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor. Energy, 270 (NA). NA-NA. ISSN 0360-5442 http://dx.doi.org/10.1016/j.energy.2023.126914 DOI : 10.1016/j.energy.2023.126914
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic T Technology (General)
spellingShingle T Technology (General)
Xia, Changlei
Ren, Tiyao
Darabi, Rozhin
Shabani-Nooshabadi, Mehdi
Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor
description CoFe2O4/Graphene Nanoribbons (GNRs) nanocomposite was successfully fabricated and utilised as an electrode active material for high-energy supercapacitor cells. Thanks to the outstanding physicochemical features of a graphene nanoribbon with excellent electrical conductivity and the synergistic effect with cobalt ferrite, as well as the pseudocapacitive effect. The CoFe2O4/GNRs nanohybrid offered an exceptional specific capacitance of 922 F g-1 (415 C g-1) at 1.0 A g-1 in 3.0 M KOH electrolyte in a standard 3-electrode set-up. Additionally, the impressive supercapacitive performance metrics showed that the suggested electrode had a distinctive morphology and could be a candidate for capacitive energy storage systems. These metrics included good cycle stability and 87% capacitance retention at the end of the 10,000th CV cycle. Moreover, the asymmetric supercapacitor cell (ASC) was designed by assembling CoFe2O4/GNRs and activated carbon (AC). The resultant ASC provided an improved specific capacitance of 487.85 F g-1 (683 C g-1) at 1.0 A g-1. At this current density value, the energy density and the power density values were computed as to be 132.8 Wh.kg-1 and 632.39 W kg-1. The highest power density was discovered to be 6730.76 W kg-1 at 10.0 A g-1, whereas the energy density was determined as 8.75 Wh.kg-1 at this current density. The results of the work proved that CoFe2O4/GNRs nanohybrids are up-and-coming electrode active materials for advanced electrochemical energy storage and conversion technologies.
format Article
author Xia, Changlei
Ren, Tiyao
Darabi, Rozhin
Shabani-Nooshabadi, Mehdi
author_facet Xia, Changlei
Ren, Tiyao
Darabi, Rozhin
Shabani-Nooshabadi, Mehdi
author_sort Xia, Changlei
title Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor
title_short Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor
title_full Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor
title_fullStr Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor
title_full_unstemmed Spotlighting the boosted energy storage capacity of Cofe2O4/graphene nanoribbons: A promising positive electrode material for high-energy-density asymmetric supercapacitor
title_sort spotlighting the boosted energy storage capacity of cofe2o4/graphene nanoribbons: a promising positive electrode material for high-energy-density asymmetric supercapacitor
publisher Elsevier Ltd
publishDate 2023
url http://eprints.utm.my/106741/
http://dx.doi.org/10.1016/j.energy.2023.126914
_version_ 1805880861583736832
score 13.211869

Similar Items