Ternary lithium manganese spinel and process for the production thereof
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United States of America Patent
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Sep 25, 2001
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N/A
app pub date -
Jun 1, 2000
filing date -
Jul 14, 1999
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Abstract
The invention relates to a process for the preparation of ternary lithium spinels, and to ternary lithium spinels of the general formula Li.sub.a Me.sub.b Mn.sub.2-b O.sub.c. The invention is achieved in accordance with the invention by a process which comprises dissolving a manganese salt in water, adding an oxidant, adding the mixture to an aqueous lithium hydroxide solution containing from 0.1 to 1 % by weight, based on the content of LiOH employed, of seed crystals selected from the group consisting of activated carbon, Aerosil and spine, and separating off, washing and heating the precipitate.
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