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:
May. 23, 2006
Filed:
Jan. 28, 2003
Christopher S. Johnson, Naperville, IL (US);
Michael M. Thackeray, Naperville, IL (US);
Arthur J. Kahaian, Chicago, IL (US);
Christopher S. Johnson, Naperville, IL (US);
Michael M. Thackeray, Naperville, IL (US);
Arthur J. Kahaian, Chicago, IL (US);
The University of Chicago, Chicago, IL (US);
Abstract
A positive electrode for a non-aqueous lithium cell comprising a LiMnMOspinel structure in which M is one or more metal cations with an atomic number less than 52, such that the average oxidation state of the manganese ions is equal to or greater than 3.5, and in which 0≦x≦0.15, having one or more lithium spine oxide LiM'Oor lithiated spinel oxide LiM′Ocompounds on the surface thereof in which M′ are cobalt cations and in which 0≦y≦1.