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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]
dc.contributor.authorTARYBA, Maryna
hal.structure.identifierInstituto Superior de Engenharia de Lisboa [ISEL]
hal.structure.identifierCentro de Quimica Estrutural [CQE]
dc.contributor.authorSILVA, Teresa
hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
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
dc.date.issued2020
dc.identifier.issn0013-4651
dc.description.abstractEnThis work reports, for the first time, the use of ion-selective localized electrochemical techniques to elucidate the charge-discharge mechanism of nickel-cobalt hydroxide electrodes for electrochemical energy storage. The charge-discharge mechanism of electrodeposited nickel-cobalt hydroxide electrodes was studied in Na2SO4 0.05 M by localized in situ measurements of pH, pNa and dissolved O2 during cyclic voltammetry. Local pH and pNa distributions were recorded using micro-potentiometric sensors with liquid membrane, while dissolved O2 was monitored using a fiber-optic microsensor. These original results highlight how localized potentiometry can provide new insights to better understand the charge mechanism of metal (hydr)oxide electrodes by directly measuring the concentrations/activities of relevant species at the electrode-electrolyte interface during charge-discharge.
dc.language.isoen
dc.publisherElectrochemical Society
dc.title.enIn-situ localized pH, pNa and dissolved O2 measurements during charge-discharge of mixed Ni–Co hydroxide electrodes
dc.typeArticle de revue
dc.identifier.doi10.1149/1945-7111/ab8924
dc.subject.halChimie/Autre
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of The Electrochemical Society
bordeaux.page080511
bordeaux.volume167
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-02639285
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02639285v1
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