| 发明名称 | Precursor of cathode active material for a lithium secondary battery, method for manufacturing the precursor, cathode active material, and lithium secondary battery including the cathode active material | ||
| 摘要 | Disclosed are a precursor of a positive active material for a rechargeable lithium battery and a preparation method thereof, and a positive active material and a rechargeable lithium battery including the same, and specifically a precursor for a rechargeable lithium battery is represented by the following Chemical Formula 1, wherein a manganese ion concentration deviation in the precursor is within 3 wt %. NixCoyMn1−x−y−zMz(OH)2 [Chemical Formula 1] (0<x<1, 0≦y<1, 0.5≦1−x−y−z, 0≦z<1, and M is at least one kind of metal selected from the group consisting of Al, Mg, Fe, Cu, Zn, Cr, Ag, Ca, Na, K, In, Ga, Ge, V, Mo, Nb, Si, Ti, and Zr.) | ||
| 申请公布号 | US9608265(B2) | 申请公布日期 | 2017.03.28 |
| 申请号 | US201214347193 | 申请日期 | 2012.09.24 |
| 申请人 | KOREA ELECTRONICS TECHNOLOGY INSTITUTE | 发明人 | Song Jun Ho;Kim Young Jun;Kim Jae-Hun |
| 分类号 | H01M4/48;H01M4/485;H01M4/505;H01M4/525;C01D15/02;C01G53/04;C01G53/00 | 主分类号 | H01M4/48 |
| 代理机构 | Hauptman Ham, LLP | 代理人 | Hauptman Ham, LLP |
| 主权项 | 1. A precursor of a positive active material for a rechargeable lithium battery wherein the precursor is selected from the group consisting of Ni0.2Co0.1Mn0.7(OH)2, Ni0.25Co0.05Mn0.7(OH)2, and Ni0.2Co0.1Al0.05Mn0.65(OH)2, and a manganese ion concentration deviation in the precursor is within 3 wt % based on a total weight of the precursor. | ||
| 地址 | Seongnam-si, Gyeonggi-do KR | ||