Abstract: A composition and 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.
Type:
Grant
Filed:
November 6, 2000
Date of Patent:
April 29, 2003
Assignee:
Valence Technology, Inc.
Inventors:
Jeremy Barker, M. Yazid Saidi, Chariclea A. Scordilis-Kelley