Patent ID: 8530095
Filing Date: 2013-09-10
Classification: H01M,Y02E

Abstract:
1. A negative active material for a lithium rechargeable battery, the negative active material comprising a lithium titanium oxide having a full width at half maximum at a (111) plane of about 0.08054° to about 0.10067° as measured by X-ray diffraction using a Cu Kα ray, wherein the lithium titanium oxide has an average crystal size of about 800 Å to about 1000 Å, and the lithium titanium oxide comprises an oxide represented by Chemical Formula 1: wherein: x is 0 to 1, y is 0 to 1, and z is 0 to 1, and at least one of x or y or z is greater than 0 and less than or equal to 1.