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Nanoscale chemical characterization of solid-state microbattery stacks by means of auger spectroscopy and ion-milling cross section preparation

hal.structure.identifierInstitut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux [IPREM]
dc.contributor.authorUHART, Arnaud
hal.structure.identifierInstitut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux [IPREM]
dc.contributor.authorLEDEUIL, Jean-Bernard
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPECQUENARD, Brigitte
hal.structure.identifierCommissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information [CEA-LETI]
dc.contributor.authorLE CRAS, Frédéric
hal.structure.identifierCommissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information [CEA-LETI]
dc.contributor.authorPROUST, M.
hal.structure.identifierInstitut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux [IPREM]
dc.contributor.authorMARTINEZ, Hervé
dc.date.issued2017
dc.identifier.issn1944-8244
dc.description.abstractEnThe current sustained demand for "smart" and connected devices has created a need for more miniaturized power sources, hence for microbatteries. Lithium-ion or "lithium-free" all-solid-state thin-film batteries are adapted solutions to this issue. The capability to carry out spatially resolved chemical analysis is fundamental for the understanding of the operation in an all-solid-state microbattery. Classically cumbersome and not straightforward techniques as TEM/STEM/EELS and FIB preparation methods could be used to address this issue. The challenge in this work is to make the characterization of Li-based material possible by coupling ion-milling cross section preparation method and AES techniques to characterize the behavior of a LiCoO2 positive electrode in an all solid state microbattery. The surface chemistry of LiCoO2 has been studied before and after LiPON deposition. Modifications of the chemical environments characteristic of the positive electrode have been reported at different steps of the electrochemical process. An original qualitative and a semiquantitative analysis has been used in this work with the peak deconvolution method based on real, certified reference spectra to better understand the lithiation/delithiation process. This original coupling has demonstrated that a full study of the pristine, cycled, and post mortem positive electrode in a microbattery is also possible. The ion-milling preparation method allows access to a large area, and the resolution of Auger analysis is highly resolved in energy to separate the lithium and the cobalt signals in an accurate way.
dc.language.isoen
dc.publisherWashington, D.C. : American Chemical Society
dc.subject.enall-solid-state thin-film lithium microbatteries
dc.subject.encross-sectional characterization
dc.subject.enAuger electron spectroscopy
dc.subject.enLiCoO2 positive electrode
dc.subject.enion-milling
dc.title.enNanoscale chemical characterization of solid-state microbattery stacks by means of auger spectroscopy and ion-milling cross section preparation
dc.typeArticle de revue
dc.identifier.doi10.1021/acsami.7b07270
dc.subject.halChimie/Matériaux
bordeaux.journalACS Applied Materials & Interfaces
bordeaux.page33238–33249
bordeaux.volume9
bordeaux.issue38
bordeaux.peerReviewedoui
hal.identifierhal-01612248
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01612248v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=ACS%20Applied%20Materials%20&%20Interfaces&rft.date=2017&rft.volume=9&rft.issue=38&rft.spage=33238%E2%80%9333249&rft.epage=33238%E2%80%9333249&rft.eissn=1944-8244&rft.issn=1944-8244&rft.au=UHART,%20Arnaud&LEDEUIL,%20Jean-Bernard&PECQUENARD,%20Brigitte&LE%20CRAS,%20Fr%C3%A9d%C3%A9ric&PROUST,%20M.&rft.genre=article


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