The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2014
Filed:
Sep. 19, 2008
Michael M. Thackeray, Naperville, IL (US);
Sun-ho Kang, Naperville, IL (US);
Christopher S. Johnson, Napeville, IL (US);
Michael M. Thackeray, Naperville, IL (US);
Sun-Ho Kang, Naperville, IL (US);
Christopher S. Johnson, Napeville, IL (US);
UChicago Argonne, LLC, Chicago, IL (US);
Abstract
This invention provides lithium-rich compounds as precursors for positive electrodes for lithium cells and batteries. The precursors comprise a LiO-containing compound as one component, and a second charged or partially-charged component, selected preferably from a metal oxide, a lithium-metal-oxide, a metal phosphate or metal sulfate compound. LiO is extracted from the above-mentioned electrode precursors to activate the electrode either by electrochemical methods or by chemical methods. The invention also extends to methods for synthesizing and activating the precursor electrodes and to cells and batteries containing such electrodes.