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Electrochemical lithium insertion into a manganese dioxide electrode in aqueous solutions

Minakshi, M.ORCID: 0000-0001-6558-8317, Singh, P., Issa, T.B.ORCID: 0000-0003-0913-3857, Thurgate, S., Prince, K. and Mitchell, D. (2006) Electrochemical lithium insertion into a manganese dioxide electrode in aqueous solutions. In: 10th Annual Asian Conference on Solid State Ionics, 12 - 16 June, Kandy, Sri Lanka pp. 392-399.

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Intercalation of lithium into the vacant sites of a host compound can be achieved electrochemically using non-aqueous electrolytes. The use of aqueous electrolyte is less common because of the reactivity of many lithium intercalation compounds with water. Here we propose that lithium could be intercalated using aqueous solutions, lithium hydroxide as the electrolyte. The X-ray photoelectron spectroscopy (SIMS) data on the discharged material indicate that lithium is intercalated into the host structure of EMD without the destruction of its core structure. A significant improvement on cell performance was obtained by adding small amounts (<3 wt%) of titanium disulphide (TiS2) to the cathode.

Item Type: Conference Paper
Murdoch Affiliation(s): School of Chemical and Mathematical Science
Publisher: World Scientific Publishing Co.
Copyright: 2006 World Scientific Publishing Co.
Notes: Appears in B.V.R. Chowdari, M.A. Careem, M.A.K.L. Dissanayake, R.M.G. Rajapakse and V.A. Seneviratne (eds) Proceedings of the 10th Asian Conference on Solid State Ionics: Advanced Materials for Emerging Technologies. World Scientific Publishing Co, Singapore, pp 392 - 399
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