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DOI: 10.1039/A805178J (Paper) Reference Section for: J. Mater. Chem., 1999, 9, 567-570

Morphology and electrochemical behavior of an ultrafine LiMn2O4 powder obtained by a new route, from freeze-dried precursors

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T. Le Mercier, J. Gaubicher, E. Bermejo, Y. Chabre and M. Quarton

Abstract

An ultrafine (25-40 nm) powder of spinel lithium manganese oxide with composition Li0.95Mn2O4 was obtained from decomposition of freeze drying nitrate precursors and heat treatment below 500[thin space (1/6-em)]°C. Positive electrodes prepared with this material have been cycled between 4.6 and 3.1 V up to C/2 rate. The specific discharge capacity at such a rate decreases from 110 to 90 mA h g–1 after 80 cycles, with a low polarization only.

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