Characterisation of chemically lithiated heat-treated electrolytic manganese dioxide

Dose, WM, Lehr, J ORCID: https://orcid.org/0000-0001-5698-7244 and Donne, SW 2012, 'Characterisation of chemically lithiated heat-treated electrolytic manganese dioxide' , Materials Research Bulletin, 47 (7) , pp. 1827-1834.

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Abstract

Heat treated manganese dioxide is partially lithiated using butyl-lithium to determine the changes in crystal structure, chemical composition and morphology upon reduction, as a means of simulating its discharge behaviour in a non-aqueous battery cathode. As reduction proceeds, and lithium ions are inserted into the heat treated electrolytic manganese dioxide (EMD) structure, the material undergoes a phase transition to LiMn2O4. This new phase is further reduced to Li2Mn2O4. Reduction initially results in a 56% decrease in the surface area of the material; however, at higher degrees of reduction a slight increase in this value is observed, as a consequence of the strain placed on the lattice through continued lithium insertion.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Materials Research Bulletin
Publisher: Elsevier
ISSN: 0025-5408
Related URLs:
Depositing User: J Lehr
Date Deposited: 11 Aug 2021 14:08
Last Modified: 27 Aug 2021 21:20
URI: http://usir.salford.ac.uk/id/eprint/50520

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