Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.electacta.2013.10.192
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dc.titleStudies on Bare and Mg-doped LiCoO2 as a cathode material for Lithium ion Batteries
dc.contributor.authorReddy, M.V.
dc.contributor.authorJie, T.W.
dc.contributor.authorJafta, C.J.
dc.contributor.authorOzoemena, K.I.
dc.contributor.authorMathe, M.K.
dc.contributor.authorNair, A.S.
dc.contributor.authorPeng, S.S.
dc.contributor.authorIdris, M.S.
dc.contributor.authorBalakrishna, G.
dc.contributor.authorEzema, F.I.
dc.contributor.authorChowdari, B.V.R.
dc.date.accessioned2014-10-16T09:42:41Z
dc.date.available2014-10-16T09:42:41Z
dc.date.issued2014-05-10
dc.identifier.citationReddy, M.V., Jie, T.W., Jafta, C.J., Ozoemena, K.I., Mathe, M.K., Nair, A.S., Peng, S.S., Idris, M.S., Balakrishna, G., Ezema, F.I., Chowdari, B.V.R. (2014-05-10). Studies on Bare and Mg-doped LiCoO2 as a cathode material for Lithium ion Batteries. Electrochimica Acta 128 : 192-197. ScholarBank@NUS Repository. https://doi.org/10.1016/j.electacta.2013.10.192
dc.identifier.issn00134686
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98075
dc.description.abstractIn this paper, we report on the preparation of bare and Mg-doped Li(Mg xCo1-x)O2 (x = 0, 0.03, 0.05) phases by a molten salt method and their electrochemical properties. They were prepared at 800 °C for 6 h in air. Rietveld refined X-Ray Diffraction data of bare (x = 0) and Mg-doped (x = 0.03, 0.05) compounds show a well-ordered hexagonal layer-type structure (a ∼ 2.81 Å, c ∼ 14.05 Å). Scanning Electron Microscopy (SEM) show hexagonal type morphology at 800°C. Powder density was close to 5.02 gcm-3, which compares well with the theoretical value. Electrochemical properties were studied in the voltage range of 2.5-4.3 V vs. Li using Cyclic Voltammetry (CV) and galvanostatic cycling. CV studies on bare and Mg-doped LiCoO2 show main cathodic and anodic redox peaks at ∼ 3.9 V and ∼ 4.0 V, respectively. Galvanostatic cycling of Li(MgxCo1-x)O2 (x = 0, 0.03, 0.05) showed reversible capacity values at the 60th cycle to be: 147 (±3) mAh g-1 (x = 0), 127 (±3) mAh g-1 (x = 0.03), and 131 (±3) mAh g-1 (x = 0.05) cycled at a current density of 30 mA g-1. Capacity retention is also favourable at 98.5%. © 2013 Published by Elsevier Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.electacta.2013.10.192
dc.sourceScopus
dc.subjectCathode
dc.subjectElectrochemical properties
dc.subjectMolten salt method
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1016/j.electacta.2013.10.192
dc.description.sourcetitleElectrochimica Acta
dc.description.volume128
dc.description.page192-197
dc.description.codenELCAA
dc.identifier.isiut000336187600026
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