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CATHODE MATERIALS FOR LITHIUM ION BATTERIES

United States Patent Application

20160260965
A1
View the Complete Application at the US Patent & Trademark Office
A process of forming a coated cathode active material include preparing a cathode material precursor by co-precipitation; coating the cathode material precursor with an electrochemically inert coating material precursor by precipitation to form a coated cathode material precursor; lithiating the coated cathode material precursor with a lithium source material to tern a lithiated coated cathode material precursor; and sintering the lithiated coated cathode material precursor to form a cathode active material coated with an electrochemically inert material.
Wu, Huiming (Darien, IL), Amine, Khalil (Oakbrook, IL), Lu, Jun (Bolingbrook, IL)
14/ 641,003
March 6, 2015
GOVERNMENT RIGHTS [0001] The United States Government has rights in this invention pursuant to Contract No. DE-AC02-06CH11357 between the U.S. Department of Energy and UChicago Argonne, LLC, representing Argonne National Laboratory.