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"Product and method for the processing of precursors for lithium phosphate active materials
03/31/2008 02:40:23 PM EDT
U.S. Patents
Pub. Number US7348100
Appl. Data 10 20041008
Applicant Valence Technology, Inc.
Inventor(s) Adamson, George
Barker, Jeremy
Dirilo, Allan
Faulkner, Titus
Saidi, M. Yazid
Swoyer, Jeffrey
Title Product and method for the processing of precursors for lithium
phosphate active materials
Abstract Methods for producing an electrode active material
precursor, comprising:a) producing a mixture comprising
particles of lithium hydrogen phosphate, having a first average particle size,
and a metal hydroxide, having a second average particle size; andb) grinding said mixture in a jet mill for a period of time suitable
to produce a generally homogeneous mixture of particles having a third average
size smaller than said first average size. The precursor may be used as a
starting material for making electrode active materials for use in a battery,
comprising lithium, a transition metal, and phosphate or a similar anion.

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