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Strategies for synthesizing conductive spinel cobalt oxide nanoparticles for energy storage applications batteries and energy storage

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSHAJU, K. M.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUERLOU-DEMOURGUES, Liliane
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGODILLOT, Gérôme
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorWEILL, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDELMAS, Claude
dc.date.issued2012
dc.identifier.issn0013-4651
dc.description.abstractEnCo3O4 spinel type nanoparticles (5-10 nm) were synthesized by oxidizing precipitation in various basic solutions. The materials prepared in lithium-containing hydroxide solutions exhibit high electronic conductivity (higher than 10−2 S.cm−1 at room temperature), which can be increased (up to 3 S.cm−1) by electrochemical oxidation. This high conductivity is due to the presence of Co4+ ions in the octahedral framework of the spinel structure, which entails electronic delocalization. In addition to high conductivity, the obtained powder exhibits a high surface area (around 200 m2.g−1), which should be suitable for applications in electrodes: as conductive additive in the positive electrode of alkaline Ni-MH cells, or directly as electrode material in hybrid C/metal oxide supercapacitors.
dc.language.isoen
dc.publisherElectrochemical Society
dc.title.enStrategies for synthesizing conductive spinel cobalt oxide nanoparticles for energy storage applications batteries and energy storage
dc.typeArticle de revue
dc.identifier.doi10.1149/2.036212jes
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of The Electrochemical Society
bordeaux.pageA1934-A1940
bordeaux.volume159
bordeaux.issue12
bordeaux.peerReviewedoui
hal.identifierhal-00745566
hal.version1
hal.popularnon
hal.audienceInternationale
dc.subject.itSpinel
dc.subject.itCobalt oxide
dc.subject.itBatteries
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00745566v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20The%20Electrochemical%20Society&rft.date=2012&rft.volume=159&rft.issue=12&rft.spage=A1934-A1940&rft.epage=A1934-A1940&rft.eissn=0013-4651&rft.issn=0013-4651&rft.au=SHAJU,%20K.%20M.&GUERLOU-DEMOURGUES,%20Liliane&GODILLOT,%20G%C3%A9r%C3%B4me&WEILL,%20Fran%C3%A7ois&DELMAS,%20Claude&rft.genre=article


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