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hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBENAYAD, Anas
hal.structure.identifierLaboratoire de Chimie théorique et Physico-chimie moléculaire [LCTPCM]
dc.contributor.authorMARTINEZ, Hervé
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGIES, Astrid
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPECQUENARD, Brigitte
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLEVASSEUR, Alain
hal.structure.identifierLaboratoire de Chimie théorique et Physico-chimie moléculaire [LCTPCM]
dc.contributor.authorGONBEAU, Danielle
dc.date.issued2006
dc.identifier.issn0022-3697
dc.description.abstractEnVanadium pentoxide thin films, usable as positive electrode in microbatteries, have been prepared by radio frequency magnetron sputtering in a pure argon or mixed argon/oxygen atmosphere using a V2O5 target. Depending on the oxygen partial pressure in the discharge gas, we have obtained either crystallized or amorphous thin films, with different morphologies. These two kinds of thin films having different electrochemical behavior, an extensive XPS study was carried out. The main redox processes and their reversibility occurring during the 1st, 10th, and 30th discharge–charge cycles were discussed in relation with the electrochemical properties. Our results have revealed a good reversibility of the redox process for amorphous thin films and degradation for crystallized ones, in agreement with the discharge capacity evolution. Furthermore, the growth of a surface layer between the cathode and the liquid electrolyte was evidenced upon the discharge as well as its partial dissolution upon the charge.
dc.language.isoen
dc.publisherElsevier
dc.subject.enThin films
dc.subject.enPlasma deposition
dc.subject.enPhotoelectron spectroscopy
dc.subject.enElectochemical properties
dc.subject.enSurface properties
dc.title.enVanadium pentoxide thin films used as positive electrode in lithium microbatteries : an XPS study during cycling
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jpcs.2006.01.089
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Physics and Chemistry of Solids
bordeaux.page1320-1324
bordeaux.volume67
bordeaux.issue5-6
bordeaux.peerReviewedoui
hal.identifierhal-00091338
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00091338v1
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