Lithium titanium oxide for anode active material for lithium rechargeable battery, method of preparing lithium titanium oxide, and lithium rechargeable battery including lithium titanium oxide

A lithium titanium oxide for an anode active material for a lithium rechargeable battery, wherein an X-ray diffraction (XRD) spectrum has a first peak of lithium titanate (Li4Ti5O12) and a second peak,

• wherein the first peak is in the range of about 78 to about 80 degrees, and the second peak is in the range of about 50 to about 55 degrees, and
• wherein A50-55/A78-80 is in the range of about 0.5 to about 2.0, where A78-80 is an Area of the first peak and A50-55 is an Area of the second peak.