Please use this identifier to cite or link to this item: https://doi.org/10.1080/14786430500156435
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dc.titleCharacterization of a LiCoO2 thin film cathode grown by pulsed laser deposition
dc.contributor.authorTang, S.B.
dc.contributor.authorLu, L.
dc.contributor.authorLai, M.O.
dc.date.accessioned2014-10-07T09:01:39Z
dc.date.available2014-10-07T09:01:39Z
dc.date.issued2005-08-21
dc.identifier.citationTang, S.B., Lu, L., Lai, M.O. (2005-08-21). Characterization of a LiCoO2 thin film cathode grown by pulsed laser deposition. Philosophical Magazine 85 (24) : 2831-2842. ScholarBank@NUS Repository. https://doi.org/10.1080/14786430500156435
dc.identifier.issn14786435
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/84904
dc.description.abstractA highly (003)-oriented pure LiCoO2 thin film cathode, without Co3O4 impurities, was grown on a stainless steel substrate by pulsed laser deposition and characterized by electrochemical testing, scanning electron microscopy (SEM), ex situ X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS). The initial reversible discharge capacity of the LiCoO2 thin film cathode reached 52.5 μAh/cm 2μm and capacity loss was about 0.18% per cycle at a current density of 12.74 μA/cm2 . The chemical diffusion coefficient of the Li+ ion was estimated to be about 4.7 × 10-11 cm2/s from cyclic voltammetric (CV) scans. Ex situ XRD revealed that the spacing of crystalline planes expanded about 0.09 Å when charged to 4.2V, corresponding to Li0.5CoO2 , lower than the value for composite powder LiCoO2 electrodes. XPS results showed that the number of low-coordinated oxygen ions increased relative to the removal of Li+ ions. © 2005 Taylor & Francis.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1080/14786430500156435
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1080/14786430500156435
dc.description.sourcetitlePhilosophical Magazine
dc.description.volume85
dc.description.issue24
dc.description.page2831-2842
dc.identifier.isiut000231478800008
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