| abstract |
The present invention relates to a negative electrode active material for a lithium secondary battery, a method of manufacturing the same, and a lithium secondary battery including the same, wherein the negative electrode active material for a lithium secondary battery has a tap density of 1.2 to 2.2 g / cc lithium titanium oxide (Li 4 Ti 5 O 12 ), wherein the lithium titanium oxide is prepared by mechano-chemical treatment and heat treatment at a low temperature of 650 ~ 775 ℃.n n n According to the present invention, a lithium titanium oxide having a high crystallinity and a tap density can be obtained through a mechanochemical method using a simple and low-cost solid phase method. Can be. |