| 发明名称 | Positive electrode for secondary battery | ||
| 摘要 | Disclosed herein are a cathode for a secondary battery, which includes a combination of one or more selected from compounds represented by Formula 1 and or more selected from compounds represented by Formula 2, as illustrated below, and a secondary battery having the same, xLi2MO3*(1−x)LiM′O2 (1)(1−u)LiFePO4*uC (2). | ||
| 申请公布号 | US9608259(B2) | 申请公布日期 | 2017.03.28 |
| 申请号 | US201213469783 | 申请日期 | 2012.05.11 |
| 申请人 | LG CHEM, LTD. | 发明人 | Chang Sung Kyun;Park Sinyoung;Park Hong-Kyu;Lim Jinhyung |
| 分类号 | H01M4/13;H01M4/36;H01M4/58;H01M4/505;H01M4/525;B60L11/18 | 主分类号 | H01M4/13 |
| 代理机构 | Birch, Stewart, Kolasch & Birch, LLP | 代理人 | Birch, Stewart, Kolasch & Birch, LLP |
| 主权项 | 1. A cathode for a secondary battery, comprising a combination of: one or more selected from compounds represented by Formula 1; and one or more selected from compounds represented by Formula 2, xLi2MO3*(1−x)LiM′O2 (1)(1−u)LiFePO4*uC (2) wherein M is at least one element selected from the group consisting of Mn, Sn and Zr; M′ is at least one element selected from the group consisting of Ni, Mn and Co; 0<x<1 and 0<u<0.1; and u denotes a weight ratio, wherein the compound represented by Formula 1 and the compound represented by Formula 2 are contained in a relative ratio by wight ranging from 7:3 to 9:1, wherein phosphouous (P) sites in the compound represented by Formula 2 are doped with a stable material for a tetrahedral structure, and wherein the stable material for a tetrahedral structure is one, two or more selected from the group consisting of Si, V and Ti. | ||
| 地址 | Seoul KR | ||