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Electron transfer mechanisms upon lithium deintercalation from LiCoO2 to CoO2 investigated by XPS
| hal.structure.identifier | Laboratoire de Chimie théorique et Physico-chimie moléculaire [LCTPCM] | |
| dc.contributor.author | DAHÉRON, Laurence | |
| hal.structure.identifier | Laboratoire de Chimie théorique et Physico-chimie moléculaire [LCTPCM] | |
| dc.contributor.author | DEDRYVÈRE, Rémi | |
| hal.structure.identifier | Laboratoire de Chimie théorique et Physico-chimie moléculaire [LCTPCM] | |
| dc.contributor.author | MARTINEZ, Hervé | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | MÉNÉTRIER, Michel | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | DENAGE, Cathy | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | DELMAS, Claude | |
| hal.structure.identifier | Laboratoire de Chimie théorique et Physico-chimie moléculaire [LCTPCM] | |
| dc.contributor.author | GONBEAU, Danielle | |
| dc.date.issued | 2008 | |
| dc.identifier.issn | 0897-4756 | |
| dc.description.abstractEn | Lithium deintercalation of LixCoO2 from x = 1 to x ≈ 0 has been carried out electrochemically. The changes in the electronic structure from LiCoO2 to CoO2 have been investigated by X-ray photoelectron spectroscopy (XPS) to bring some new developments about the electron transfer mechanisms upon lithium deintercalation. All available XPS core peaks (Co 2p, Co 3p, Co 3s, O 1s, F 1s, P 2p, C 1s) and valence spectra have been analyzed. The contributions of the electrode material and of the electrode/electrolyte interface have been clearly distinguished. We show that cobalt and oxygen simultaneously undergo a partial oxidation process and that the sole participation of oxygen atoms to the charge transfer process, as it is sometimes assumed, can be excluded. The surface film consists of organic and inorganic species resulting from degradation of the electrolyte. | |
| dc.language.iso | en | |
| dc.publisher | American Chemical Society | |
| dc.subject.en | X-ray photoelectron spectroscopy | |
| dc.subject.en | Electronic structure | |
| dc.subject.en | Electron | |
| dc.subject.en | Lithium deintercalation | |
| dc.subject.en | Transfer mechanisms | |
| dc.subject.en | Cobalt lithium oxide | |
| dc.subject.en | Cobalt dioxide | |
| dc.title.en | Electron transfer mechanisms upon lithium deintercalation from LiCoO2 to CoO2 investigated by XPS | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1021/cm702546s | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Chemistry of Materials | |
| bordeaux.page | 583-590 | |
| bordeaux.volume | 20 | |
| bordeaux.issue | 2 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00259325 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00259325v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Chemistry%20of%20Materials&rft.date=2008&rft.volume=20&rft.issue=2&rft.spage=583-590&rft.epage=583-590&rft.eissn=0897-4756&rft.issn=0897-4756&rft.au=DAH%C3%89RON,%20Laurence&DEDRYV%C3%88RE,%20R%C3%A9mi&MARTINEZ,%20Herv%C3%A9&M%C3%89N%C3%89TRIER,%20Michel&DENAGE,%20Cathy&rft.genre=article |
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