Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications

Detalhes bibliográficos
Autor(a) principal: García-Gómez, A.
Data de Publicação: 2016
Outros Autores: Eugénio, S., Duarte, R.G., Silva, Maria Teresa Oliveira de Moura e, Carmezim, M.J., Montemor, M.F.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.21/6243
Resumo: In the present work, electrochemically reduced-graphene oxide/cobalt oxide composites for charge storage electrodes were prepared by a one-step pulsed electrodeposition route on stainless steel current collectors and after that submitted to a thermal treatment at 200 degrees C. A detailed physico-chemical characterization was performed by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and Raman spectroscopy. The electrochemical response of the composite electrodes was studied by cyclic voltammetry and charge-discharge curves and related to the morphological and phase composition changes induced by the thermal treatment. The results revealed that the composites were promising materials for charge storage electrodes for application in redox supercapacitors, attaining specific capacitances around 430 F g(-1) at 1 A g(-1) and presenting long-term cycling stability. (C) 2016 Elsevier B.V. All rights reserved.
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spelling Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applicationsElectrodepositionReduced-graphene oxideCobalt oxideCharge storage electrodesIn the present work, electrochemically reduced-graphene oxide/cobalt oxide composites for charge storage electrodes were prepared by a one-step pulsed electrodeposition route on stainless steel current collectors and after that submitted to a thermal treatment at 200 degrees C. A detailed physico-chemical characterization was performed by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and Raman spectroscopy. The electrochemical response of the composite electrodes was studied by cyclic voltammetry and charge-discharge curves and related to the morphological and phase composition changes induced by the thermal treatment. The results revealed that the composites were promising materials for charge storage electrodes for application in redox supercapacitors, attaining specific capacitances around 430 F g(-1) at 1 A g(-1) and presenting long-term cycling stability. (C) 2016 Elsevier B.V. All rights reserved.Elsevier Science BVRCIPLGarcía-Gómez, A.Eugénio, S.Duarte, R.G.Silva, Maria Teresa Oliveira de Moura eCarmezim, M.J.Montemor, M.F.2016-06-27T14:04:53Z2016-09-302016-09-30T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/6243engGARCÍA-GÓMEZ, A.; [et al.] - Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications. Applied Surface Science. ISSN 0169-4332. Vol. 382 (2016) pp. 34-400169-433210.1016/j.apsusc.2016.04.113metadata only accessinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T09:50:48Zoai:repositorio.ipl.pt:10400.21/6243Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:15:24.694595Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
title Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
spellingShingle Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
García-Gómez, A.
Electrodeposition
Reduced-graphene oxide
Cobalt oxide
Charge storage electrodes
title_short Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
title_full Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
title_fullStr Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
title_full_unstemmed Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
title_sort Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications
author García-Gómez, A.
author_facet García-Gómez, A.
Eugénio, S.
Duarte, R.G.
Silva, Maria Teresa Oliveira de Moura e
Carmezim, M.J.
Montemor, M.F.
author_role author
author2 Eugénio, S.
Duarte, R.G.
Silva, Maria Teresa Oliveira de Moura e
Carmezim, M.J.
Montemor, M.F.
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv RCIPL
dc.contributor.author.fl_str_mv García-Gómez, A.
Eugénio, S.
Duarte, R.G.
Silva, Maria Teresa Oliveira de Moura e
Carmezim, M.J.
Montemor, M.F.
dc.subject.por.fl_str_mv Electrodeposition
Reduced-graphene oxide
Cobalt oxide
Charge storage electrodes
topic Electrodeposition
Reduced-graphene oxide
Cobalt oxide
Charge storage electrodes
description In the present work, electrochemically reduced-graphene oxide/cobalt oxide composites for charge storage electrodes were prepared by a one-step pulsed electrodeposition route on stainless steel current collectors and after that submitted to a thermal treatment at 200 degrees C. A detailed physico-chemical characterization was performed by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and Raman spectroscopy. The electrochemical response of the composite electrodes was studied by cyclic voltammetry and charge-discharge curves and related to the morphological and phase composition changes induced by the thermal treatment. The results revealed that the composites were promising materials for charge storage electrodes for application in redox supercapacitors, attaining specific capacitances around 430 F g(-1) at 1 A g(-1) and presenting long-term cycling stability. (C) 2016 Elsevier B.V. All rights reserved.
publishDate 2016
dc.date.none.fl_str_mv 2016-06-27T14:04:53Z
2016-09-30
2016-09-30T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.21/6243
url http://hdl.handle.net/10400.21/6243
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv GARCÍA-GÓMEZ, A.; [et al.] - Electrodeposited reduced-graphene oxide/cobalt oxide electrodes for charge storage applications. Applied Surface Science. ISSN 0169-4332. Vol. 382 (2016) pp. 34-40
0169-4332
10.1016/j.apsusc.2016.04.113
dc.rights.driver.fl_str_mv metadata only access
info:eu-repo/semantics/openAccess
rights_invalid_str_mv metadata only access
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier Science BV
publisher.none.fl_str_mv Elsevier Science BV
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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