| 发明名称 | Cathode active material for lithium secondary battery | ||
| 摘要 | Disclosed is a cathode active material for secondary batteries, comprising at least one compound selected from the following Formula 1: xLi2MO3*yLiM′O2*zLi3PO4 (1) wherein M is at least one element selected from 1 period or 2 period metals having an oxidation number of +4; M′ is at least one element selected from 1 period or 2 period metals having a mean oxidation number of +3; and 0.1≦x≦0.9, 0.1≦y≦0.9, 0<z≦0.2 and x+y+z=1. | ||
| 申请公布号 | US9123958(B2) | 申请公布日期 | 2015.09.01 |
| 申请号 | US201213654536 | 申请日期 | 2012.10.18 |
| 申请人 | LG CHEM, LTD. | 发明人 | Chang Sung-Kyun;Jeon Hyelim;Park Hong Kyu;Lee Sang Uck;Park Cheol-Hee |
| 分类号 | H01M4/58;H01M4/13;H01M4/60;H01M4/02;H01M4/505;H01M4/525;H01M4/485;H01M10/052;B60L11/18;H01M4/36;H01M4/131 | 主分类号 | H01M4/58 |
| 代理机构 | Birch, Stewart, Kolasch & Birch, LLP | 代理人 | Birch, Stewart, Kolasch & Birch, LLP |
| 主权项 | 1. A cathode active material for secondary batteries, comprising at least one compound selected from the following Formula 1: xLi2M1-aAaO3-bBb*yLiM′1-a′A′a′O2-b′Bb′*zLi3P1-a″A″a″O4-b″B″b″ (1) wherein M is at least one element selected from 1 period or 2 period metals having an oxidation number of +4; M′ is at least one element selected from 1 period or 2 period metals having a mean oxidation number of +3; A and A′ are a metal or non-metal element that may have a 6-coordinaion structure, respectively; A″ is an element stable for a 4-coordination structure; B, B′, and B″ are another anion, respectively; and 0.1≦x≦0.9, 0.1≦y≦0.9, 0<z≦0.2, x+y+z=1, 0≦a≦0.1, 0≦a′≦0.1, 0≦a″≦0.1, 0≦b≦0.1, 0≦b′≦0.1, 0≦b″≦0.1, wherein the at least one compound selected from Formula 1 is prepared by applying heat treatment to precursor materials for their conversion into the at least one compound, and the active material of Formula 1 is in the form of a composite or a solid solution. | ||
| 地址 | Seoul KR | ||