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:
Feb. 06, 2001
Filed:
May. 07, 1999
Applicant:
Inventors:
Jeremy Barker, Redmond, WA (US);
M. Yazid Saidi, Redmond, WA (US);
Chariclea A. Scordilis-Kelley, Henderson, NV (US);
Assignee:
Valence Technology, Inc., Henderson, NV (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 4/512 ; H01M 4/50 ;
U.S. Cl.
CPC ...
C01G 4/512 ; H01M 4/50 ;
Abstract
A method for forming the composition stabilized against capacity degradation comprises particles of spinel lithium manganese oxide (LMO) enriched with lithium by a decomposition product of lithium carbonate forming a part of each said particle and characterized by a reduced surface area and increased capacity expressed in milliamp hours per gram as compared to non-enriched spinel.