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Enhancement of the Ni-Co hydroxide response as energy storage material by electrochemically reduced graphene oxide

hal.structure.identifierCentro de Quimica Estrutural [CQE]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorADÁN-MÁS, Alberto
hal.structure.identifierCentro de Quimica Estrutural [CQE]
hal.structure.identifierESTBarreiro
dc.contributor.authorDUARTE, Raquel
hal.structure.identifierCentro de Quimica Estrutural [CQE]
hal.structure.identifierADEM, GI-MOSM, ISEL-Instituto Superior de Engenharia de Lisboa
dc.contributor.authorSILVA, Teresa
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUERLOU-DEMOURGUES, Liliane
hal.structure.identifierCentro de Quimica Estrutural [CQE]
dc.contributor.authorMONTEMOR, Maria Fátima G.
dc.date.issued2017-06
dc.identifier.issn0013-4686
dc.description.abstractEnNickel-Cobalt double hydroxide materials are combined with Electrochemically Reduced Graphene Oxide (Er-GO) on top of Stainless Steel collectors by means of a one-step pulsed electrodeposition technique. Results show that, when Er-GO is integrated into the Nickel-Cobalt hydroxide matrix, there is an improvement of the electrochemical performance of the material, which shows increased capacity, stability and rate capability. As seen by Scanning Electron Microscopy (SEM), X-Ray Photoelectron Spectroscopy (XPS), Grazing-Incidence X-Ray Diffraction (GIXD) and Raman Spectroscopy, there is an excellent integration between the materials that leads to the enhanced electrochemical response. Capacity values up to 96 mA h/g and a 62% capacity retention after 5000 cycles were achieved. Moreover, scan rates up to 2000 mV/s without loss in electrochemical response were possible proving its good rate capabilities. A detailed study of the cycling degradation phenomena was also done by means of electrochemical impedance spectroscopy (EIS). Thus, this novel electrodeposited material serves as an excellent material for energy storage applications.
dc.language.isoen
dc.publisherElsevier
dc.subject.enElectrochemically reduced graphene oxide
dc.subject.enNickel-cobalt hydroxide
dc.subject.enEnergy storage electrode
dc.subject.enElectrochemical impedance spectroscopy
dc.title.enEnhancement of the Ni-Co hydroxide response as energy storage material by electrochemically reduced graphene oxide
dc.typeArticle de revue
dc.identifier.doi10.1016/j.electacta.2017.04.070
dc.subject.halChimie/Matériaux
bordeaux.journalElectrochimica Acta
bordeaux.page323-340
bordeaux.volume240
bordeaux.peerReviewedoui
hal.identifierhal-01741432
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01741432v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Electrochimica%20Acta&rft.date=2017-06&rft.volume=240&rft.spage=323-340&rft.epage=323-340&rft.eissn=0013-4686&rft.issn=0013-4686&rft.au=AD%C3%81N-M%C3%81S,%20Alberto&DUARTE,%20Raquel&SILVA,%20Teresa&GUERLOU-DEMOURGUES,%20Liliane&MONTEMOR,%20Maria%20F%C3%A1tima%20G.&rft.genre=article


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