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:
Jul. 03, 2007
Filed:
Dec. 23, 2003
Applicants:
Wilmont Frederick Howard, Jr., Edmond, OK (US);
Stephen Wilfred Sheargold, Edmond, OK (US);
Anthony Michael Thurston, Edmond, OK (US);
Felix Mbanga Towa, Norman, OK (US);
Inventors:
Wilmont Frederick Howard, Jr., Edmond, OK (US);
Stephen Wilfred Sheargold, Edmond, OK (US);
Anthony Michael Thurston, Edmond, OK (US);
Felix Mbanga Towa, Norman, OK (US);
Assignee:
Tronox LLC, Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01); H01M 2/02 (2006.01); H01M 8/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Intercalation cathode materials especially suited for use in high-voltage, high-energy lithium rechargeable batteries, having the formulae Li[Li()/MMn()/Ni()O, where 0<x<0.5, 0<y≦0.25, x>y, and M is one or more divalent cations from Ca, Cu, Mg, and Zn. A process for making such materials is also provided.