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Production of battery grade materials via an oxalate method

United States Patent

May 17, 2016
View the Complete Patent at the US Patent & Trademark Office
An active electrode material for electrochemical devices such as lithium ion batteries includes a lithium transition metal oxide which is free of sodium and sulfur contaminants. The lithium transition metal oxide is prepared by calcining a mixture of a lithium precursor and a transition metal oxalate. Electrochemical devices use such active electrodes.
Belharouak; Ilias (Bolingbrook, IL), Amine; Khalil (Oak Brook, IL)
14/ 172,317
February 4, 2014
GOVERNMENT RIGHTS The United States Government has rights in this invention pursuant to Contract No. DE-AC02-06CH11357 between the United States Department of Energy and the UChicago Argonne, LLC representing Argonne National Laboratory.