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Chemical delithiation and exfoliation of LixCoO2

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Date

2014

Authors

Basch, Angelika
De Campo, Liliana
Albering, Jorg
White, John

Journal Title

Journal ISSN

Volume Title

Publisher

Academic Press

Abstract

Progressive chemical.delithiation of commercially available lithium cobalt oxide (LixCoO2) showed consecutive changes in the crystal properties. Rietveld refinement of high resolution X-ray and neutron diffraction revealed an increased lattice parameter c and a reduced lattice parameter a for chemically delithiated samples. Using electron microscopy we have also followed the changes in the texture of the samples towards what we have found is a critical layer stoichiometry of about LixCoO2 with x=1/3 that causes the grains to exfoliate. The pattern of etches by delithiation suggests that unrelieved strain fields may produce chemical activity.

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Citation

URI

http://hdl.handle.net/1885/75471

Collections

ANU Research Publications

Source

Journal of Solid State Chemistry

Type

Journal article

Book Title

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Access Statement

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DOI

10.1016/j.jssc.2014.08.011

Restricted until

2037-12-31

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01_Basch_Chemical_delithiation_and_2014.pdf (2.66 MB)

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