A METHOD FOR PREPARING A PARTICULATE CATHODE MATERIAL, AND THE MATERIAL OBTAINED BY SAID METHOD
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United States of America Patent
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Issued Date -
Dec 23, 2010
app pub date -
Dec 7, 2007
filing date -
Dec 7, 2006
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Abandoned
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Abstract
Disclosed are a method for preparing a complex oxide particle composition, the so-prepared particle composition and its use as electrode material. This composition comprises complex oxide particles having a non powdery conductive carbon deposit on at least part of their surface. Its method of preparation comprises nanogrinding complex oxide particles or particles of complex oxide precursors, wherein an organic carbon precursor is added to the oxide particles or oxide precursor particles before, during or after nanogrinding, and pyrolysing the mixture thus obtained; a stabilizing agent is optionally added to the oxide particles or oxide precursor particles before, during or after nanogrinding; and the nanogrinding step is performed in a bead mill on particles dispersed in a carrier solvent.
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