| 发明名称 |
RECHARGEABLE LITHIUM BATTERY |
| 摘要 |
A rechargeable lithium battery includes a positive electrode including a positive active material, a negative electrode and an electrolyte including a lithium salt, an organic solvent and an additive. The positive active material includes a compound represented by Chemical Formula 1, and the additive includes about 0.5 to about 2 parts by weight of lithium difluorophosphate (LiPO2F2) and about 0.5 to about 3 parts by weight of vinylene carbonate, based on 100 parts by weight of the organic solvent.;LiaNixCoyMnzO2. Chemical Formula 1 |
| 申请公布号 |
US2015288033(A1) |
申请公布日期 |
2015.10.08 |
| 申请号 |
US201514630603 |
申请日期 |
2015.02.24 |
| 申请人 |
SAMSUNG SDI CO., LTD. |
发明人 |
Lee In-Hyun;Yoon Su-Jin;Kim Tae-Ahn;Oh Seung-Ju |
| 分类号 |
H01M10/0569;H01M4/38;H01M10/0567;H01M10/052;H01M10/0568;H01M4/134;H01M10/26 |
主分类号 |
H01M10/0569 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A rechargeable lithium battery comprising a positive electrode comprising a positive active material comprising a compound represented by Chemical Formula 1:
LiaNixCoyMnzO2, Chemical Formula 1 wherein 0<a≦2, 0.2≦x≦0.6, 0.2≦y≦0.6, 0.2<z≦0.6, and x+y+z=1; a negative electrode; and an electrolyte including a lithium salt, an organic solvent and an additive, the additive comprising about 0.5 parts by weight to about 2 parts by weight of lithium difluorophosphate (LiPO2F2) based on 100 parts by weight of the organic solvent, and about 0.5 parts by weight to about 3 parts by weight of vinylene carbonate based on 100 parts by weight of the organic solvent |
| 地址 |
Yongin-si KR |
