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A new null matrix electrochemical cell for Rietveld refinements of in-situ or operando neutron powder diffraction data

hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
hal.structure.identifierLaboratoire réactivité et chimie des solides - UMR CNRS 7314 [LRCS]
hal.structure.identifierInstitut Laue-Langevin [ILL]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBIANCHINI, Mateos
hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
hal.structure.identifierLaboratoire réactivité et chimie des solides - UMR CNRS 7314 [LRCS]
dc.contributor.authorLERICHE, Jean-Bernard
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorLABORIER, J.-L.
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorGENDRIN, L.
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorSUARD, Emmanuelle
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.authorCROGUENNEC, Laurence
hal.structure.identifierRéseau sur le stockage électrochimique de l'énergie [RS2E]
hal.structure.identifierLaboratoire réactivité et chimie des solides - UMR CNRS 7314 [LRCS]
dc.contributor.authorMASQUELIER, Christian
dc.date.issued2013
dc.identifier.issn0013-4651
dc.description.abstractEnIn-situ techniques proved to be exceptionally useful tools to understand electrode materials for Li-ion batteries but in-situ neutron diffraction (ND) during battery operation knew a slow development, due to the intrinsic difficulties it held. We have designed a new electrochemical cell, manufactured with a completely neutron-transparent (Ti,Zr) alloy. Such a cell is able to combine, for the first time, good electrochemical properties and the ability to collect neutron diffraction patterns operando, with good statistics and no other Bragg peaks than those of the electrode material of interest. This allows detailed structural determinations of electrode materials by Rietveld refinement during operation. First case studies hereby reported are the olivine LiFePO4 and the overstoichiometric spinel Li1.1Mn1.9O4, investigated at the D20 diffractometer of ILL (Grenoble), and compared to pure powder patterns obtained from the high-resolution D2B diffractometer. These studies demonstrate the feasibility and reliability of such experiments and open the field to a wide range of investigations on battery electrode materials.
dc.language.isoen
dc.publisherElectrochemical Society
dc.subject.enlithium batteries
dc.subject.enD20 diffractometer
dc.subject.enLiFePO4
dc.subject.enElectrode materials
dc.subject.enLi-ion batteries
dc.subject.enRietveld refinement
dc.subject.enoperando
dc.subject.enin-situ
dc.subject.enNeutron diffraction
dc.subject.enLiMn2O4
dc.title.enA new null matrix electrochemical cell for Rietveld refinements of in-situ or operando neutron powder diffraction data
dc.typeArticle de revue
dc.identifier.doi10.1149/2.076311jes
dc.subject.halChimie/Matériaux
dc.subject.halChimie/Autre
bordeaux.journalJournal of The Electrochemical Society
bordeaux.pageA2176-A2183
bordeaux.volume160
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-00871999
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00871999v1
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