Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jelechem.2009.10.034
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dc.titleSputtered lithium nickel vanadium oxide (LiNiVO4) films: Chemical compositions, structural variations, target history, and anodic/cathodic electrochemical properties
dc.contributor.authorReddy, M.V.
dc.contributor.authorLevasseur, A.
dc.date.accessioned2014-10-16T09:41:53Z
dc.date.available2014-10-16T09:41:53Z
dc.date.issued2010-02-15
dc.identifier.citationReddy, M.V., Levasseur, A. (2010-02-15). Sputtered lithium nickel vanadium oxide (LiNiVO4) films: Chemical compositions, structural variations, target history, and anodic/cathodic electrochemical properties. Journal of Electroanalytical Chemistry 639 (1-2) : 27-35. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jelechem.2009.10.034
dc.identifier.issn15726657
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98005
dc.description.abstractIn this paper, we report the chemical compositional variations and target surface history of lithium nickel vanadate material during RF-magnetron sputtering. Amorphous films were characterized by nuclear methods [Rutherford backscattering spectroscopy (RBS) and nuclear reaction analysis (NRA)], Auger electron spectroscopy (AES), X-ray diffraction (XRD), scanning electron microscope (SEM), atomic force microscope (AFM), and high resolution transmission electron microscopy (HTEM) techniques. Various nanostructured/porous LiNiVO4 thin film materials were obtained, depending on the composition of films, total pressure, annealing temperatures, thickness and heating time. Optimum film composition was obtained with the sputtering parameters; oxygen partial pressure (Po2) = 10 mPa, total pressure of (PAr) = 1 Pa, Rf-power = 30 W. Cathodic and anodic electrochemical properties of LiNiVO4 films were evaluated by galvanostatic cycling at constant current and cyclic voltammetry electroanalytical techniques. Electrochemical performance of the LiNiVO4 film deliver a capacity of ∼780 mA hg-1 (10th cycle), potential range, 0.02-3.0 V (anodic), at a current rate, 75 μA cm-2. In the potential range 1.2-4.5 V, deliver a capacity of 280 mA hg-1, and in the potential window, 3.0-4.8 V (cathodic), 0.6 Li are removed from the host LiNiVO4 lattice. © 2009 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jelechem.2009.10.034
dc.sourceScopus
dc.subjectAtomic force microscopy
dc.subjectElectrochemical properties
dc.subjectLiNiVO4
dc.subjectNanostructures
dc.subjectSputtering
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1016/j.jelechem.2009.10.034
dc.description.sourcetitleJournal of Electroanalytical Chemistry
dc.description.volume639
dc.description.issue1-2
dc.description.page27-35
dc.description.codenJECHE
dc.identifier.isiut000275137400005
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