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Synthetic process for preparation of high surface area electroactive compounds for battery applications

United States Patent

July 23, 2013
View the Complete Patent at the US Patent & Trademark Office
A process is disclosed for the preparation of electroactive cathode compounds useful in lithium-ion batteries, comprising exothermic mixing of low-cost precursors and calcination under appropriate conditions. The exothermic step may be a spontaneous flameless combustion reaction. The disclosed process can be used to prepare any lithium metal phosphate or lithium mixed metal phosphate as a high surface area single phase compound.
Evenson; Carl (Lafayette, CO), Mackay; Richard (Lafayette, CO)
Eltron Research, Inc. (Boulder, CO)
11/ 753,485
May 24, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with U.S. Government support under the EPA Contract No. EP-D-04-033 and the Department of Energy Contract No. DE-FG02-05ER84229. The U.S. Government has certain rights in this invention.