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Electron Diffraction Studies of LiNi_(1/3)Mn_(1/3)Co_(1/3)O_2 After Charge–Discharge Cycling

Gabrisch, H. and Yazami, R. (2010) Electron Diffraction Studies of LiNi_(1/3)Mn_(1/3)Co_(1/3)O_2 After Charge–Discharge Cycling. Electrochemical and Solid-State Letters, 13 (7). A88-A90. ISSN 1099-0062.

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The performance of LiNi_(1/3)Mn_(1/3)Co_(1/3)O_2 depends largely on the distribution of transition-metal TM ions over the available lattice sites within the layered rocksalt structure. Despite predictions that the TM ions take on an ordered arrangement described by a √3 X √3R30° supercell, little experimental evidence is available to confirm this model. However, the observed cation distribution likely depends on synthesis conditions. Here, we present a study of commercially produced LiNi_(1/3)Mn_(1/3)Co_(1/3)O_2 synthesized at 1000°C before and after charge–discharge cycling. Electron diffraction shows that in-plane ordering is observed to small extents. After charge–discharge cycling, a transformation toward the cubic spinel structure and significant morphology changes are observed.

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Yazami, R.0000-0002-0085-5012
Additional Information:© 2010 The Electrochemical Society. Manuscript submitted December 23, 2009; revised manuscript received April 8, 2010. Published May 10, 2010. This work was supported through the Louisiana Board of Regents, LEQSF2007012_ENH-PKSFI-PRS-04. We thank ENAX, Inc. of Japan for providing LiNi1/3Mn1/3Co1/3O2 powder and cycled cathodes.
Funding AgencyGrant Number
Louisiana Board of RegentsLEQSF2007012_ENH-PKSFI-PRS-04
Subject Keywords:electron diffraction, lithium compounds, manganese compounds, nickel compounds, solid-state phase transformations
Issue or Number:7
Classification Code:PACS: 64.70.K-; 81.30.Hd
Record Number:CaltechAUTHORS:20100604-080912341
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Official Citation:Electron Diffraction Studies of LiNi1/3Mn1/3Co1/3O2 After Charge–Discharge Cycling H. Gabrisch and R. Yazami pp. A88-A90
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18557
Deposited By: Ruth Sustaita
Deposited On:04 Jun 2010 20:32
Last Modified:09 Mar 2020 13:19

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