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US 2020/0052294 A1Published application
Negative electrode active material having high output characteristics and lithium secondary battery including the same
AssigneeLG Chem, Ltd.
InventorsSung-Bin PARK, Ji-Young PARK, Bo-Ram LEE, Chi-Ho JO, Jung-Min HAN, Hyuck HUR, Wang-Mo JUNG
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Abstract
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.
Claims8
A negative electrode active material comprising
- 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 the lithium titanium oxide is represented by the following Chemical Formula 1:
- LixTiyOzMw [Chemical Formula 1]
- wherein M is any one selected from the group consisting of Zr, B, Sn, S, Be, Ge and Zn, or a combination of two or more of them, 0.5≤x≤5, 1≤y≤5, 2≤z≤12, and 0≤w<0.1.
Dependencies are inferred from the claim text.