Lg Chem, Ltd

Chi-Ho Jo

Wang-Mo Jung

Hyuck Hur

Ji-Young Park

Bo-Ram Lee

Sung-Bin Park

Jung-Min Han

Myung-Ki Lee

Min-Suk Kang

Sun-Sik Shin

Hye-Lim Jeon

Geun-Gi Min

Woo-Yeon Kong

A negative electrode active material including lithium titanium oxide particles, wherein the lithium titanium oxide particles have a Na content of 50 ppm-300 ppm, a K content of 500 ppm-2400 ppm and a crystallite size of 100-200 nm, and a lithium secondary battery including the same.

Negative electrode active material having high output characteristics and lithium secondary battery including the same

Disclosed are a negative electrode active material including lithium titanium oxide particles, wherein the lithium titanium oxide particles have an average particle diameter (D) of 0.5-9 &#x3bc;m, a specific surface area of 3-7 m/g, and a pellet density of 1.7 g/cc or more under a pressure of 64 MPa, and a lithium secondary battery including the same.

The present disclosure relates to a cathode active material for a lithium secondary battery with improved rate characteristics in which a spinel surface structure is formed by fluorine coating on a surface of layered lithium nickel-manganese-cobalt cathode active material and a method for manufacturing the same, and according to the present disclosure, there is provided a lithium secondary battery with improved rate characteristics that may be charged to a capacity close to a full charge in a short time when compared to a related art and thus is suitable for high capacity of a secondary battery.

Cathode active material for lithium secondary battery and method for manufacturing the same

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Daejeon, South Korea

Chi-Ho Jo