Low temperature synthesis of LiCr_0·3Co_0·7O₂ intercalation compounds using citrate, oxalate, succinate, and glycinate precursors

Authors: Amdouni, N.; Zarrouk, H.; Julien, C.

Source: British Ceramic Transactions, Volume 102, Number 1, February 2003 , pp. 27-33(7)

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Abstract:

The synthesis of Cr substituted lithium cobaltate LiCr_0·3Co_0·7O₂ using four different low temperature methods is presented. These wet chemical routes involve the mixing of either acetates or nitrates of Co and Cr with a chelating agent in aqueous solution, namely citric acid for the sol-gel method, oxalic acid for the coprecipitation method, succinic acid for the pyrolysis method, or the complexing agent glycine for the combustion method. The synthesised products were characterised by T G-DTA, XRD, SEM, and FTIR. Structural analysis revealed the R 3^-m space group for the solid solution. The electrochemical behaviour of LiCr_0·3Co_0·7O₂ was evaluated in a lithium cell.

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Document Type: Regular Paper

DOI: http://dx.doi.org/10.1179/096797803225009229

Publication date: 2003-02-01

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