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Multiple phases in the e-VPO4O-LiVPO4O-Li2VPO4O system : a combined solid state electrochemistry and diffraction structural study
hal.structure.identifier | Réseau sur le stockage électrochimique de l'énergie [RS2E] | |
hal.structure.identifier | Laboratoire réactivité et chimie des solides - UMR CNRS 7314 UPJV [LRCS] | |
hal.structure.identifier | Institut Laue-Langevin [ILL] | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | BIANCHINI, Mateos | |
hal.structure.identifier | Réseau sur le stockage électrochimique de l'énergie [RS2E] | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | ATEBA MBA, Jean-Marcel | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | DAGAULT, Philippe | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | BOGDAN, Elena | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | CARLIER, Dany | |
hal.structure.identifier | Institut Laue-Langevin [ILL] | |
dc.contributor.author | SUARD, Emmanuelle | |
hal.structure.identifier | Réseau sur le stockage électrochimique de l'énergie [RS2E] | |
hal.structure.identifier | Laboratoire réactivité et chimie des solides - UMR CNRS 7314 UPJV [LRCS] | |
dc.contributor.author | MASQUELIER, Christian | |
hal.structure.identifier | Réseau sur le stockage électrochimique de l'énergie [RS2E] | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | CROGUENNEC, Laurence | |
dc.date.issued | 2014 | |
dc.identifier.issn | 2050-7488 | |
dc.description.abstractEn | Polyanionic materials attract great interest in the field of Li-ion battery research thanks to the wide range of possible available compositions, resulting in a great amount of different properties. Tavorite type compositions offer a very rich crystal chemistry, among which LiVPO4F delivers the highest theoretical energy density. In this work we focus our interest on the homeotypic composition LiVPO4O. This oxy-phosphate shows the ability to exploit two redox couples, V5+/V4+ at 3.95 V vs. Li+/Li0 and V4+/V3+ at an average potential of 2.3 V vs. Li+/Li0 upon Li+ extraction and insertion, respectively. The two domains show marked differences both in the electrochemical signature and in the phase diagram. Here we address for the first time both topics with a combination of electrochemical techniques and ex situ/in situ X-ray and neutron diffraction and support of density functional theory (DFT) calculations, to get a deep understanding of the behavior of Li1±xVPO4O. In the low voltage region, in particular, the formation of intermediate phases and the crystal structure of the end member Li2VPO4O are reported for the first time. | |
dc.language.iso | en | |
dc.publisher | Royal Society of Chemistry | |
dc.title.en | Multiple phases in the e-VPO4O-LiVPO4O-Li2VPO4O system : a combined solid state electrochemistry and diffraction structural study | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1039/C4TA01518E | |
dc.subject.hal | Chimie/Matériaux | |
dc.subject.hal | Chimie/Chimie inorganique | |
bordeaux.journal | Journal of Materials Chemistry A | |
bordeaux.page | 10182-10192 | |
bordeaux.volume | 2 | |
bordeaux.issue | 26 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-01007499 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01007499v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Materials%20Chemistry%20A&rft.date=2014&rft.volume=2&rft.issue=26&rft.spage=10182-10192&rft.epage=10182-10192&rft.eissn=2050-7488&rft.issn=2050-7488&rft.au=BIANCHINI,%20Mateos&ATEBA%20MBA,%20Jean-Marcel&DAGAULT,%20Philippe&BOGDAN,%20Elena&CARLIER,%20Dany&rft.genre=article |
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