| 发明名称 |
LITHIUM SECONDARY BATTERY |
| 摘要 |
A lithium secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte, and more particularly, the positive electrode includes a positive active material including lithium-metal oxide in which at least one metal has a continuous concentration gradient from the center to the surface, and the negative electrode includes a negative active material including graphite having an average lattice distance (d002) in the range of 3.356 to 3.365 Å, thereby improving storage characteristics at a high temperature and lifetime characteristics. |
| 申请公布号 |
US2015349327(A1) |
申请公布日期 |
2015.12.03 |
| 申请号 |
US201514728680 |
申请日期 |
2015.06.02 |
| 申请人 |
SK INNOVATION CO., LTD. |
发明人 |
HWANG Duck-Chul;LIM Jin-Sub;HAN Kook-Hyun |
| 分类号 |
H01M4/131;H01M4/505;H01M4/587;H01M4/54;H01M4/133;H01M4/525;H01M4/485 |
主分类号 |
H01M4/131 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A lithium secondary battery comprising:
a positive electrode; a negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a positive active material including a lithium-metal oxide in which at least one metal has a continuous concentration gradient from the center to the surface of the positive active material, and wherein the negative electrode includes a negative active material including graphite having an average lattice distance (d002) in the range of 3.356 to 3.365 Å. |
| 地址 |
Seoul KR |
