| 发明名称 |
POSITIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY |
| 摘要 |
A positive electrode active material includes: center cores containing a composite oxide containing alkali metal or alkali earth metal; and eutectic layers containing a eutectic substance composed of at least two types of composite oxides containing the alkali metal or the alkali earth metal and configured to cover the center cores. Preferably, the eutectic layers have a thickness of 4 nm or larger and 800 nm or smaller. The composite oxides forming the eutectic substance include the composite oxide of the center cores. |
| 申请公布号 |
US2014370389(A1) |
申请公布日期 |
2014.12.18 |
| 申请号 |
US201313926867 |
申请日期 |
2013.06.25 |
| 申请人 |
GREENFUL NEW ENERGY CO., LTD. |
发明人 |
MENGQUN Si;YING Zhou |
| 分类号 |
H01M4/36 |
主分类号 |
H01M4/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A positive electrode active material, comprising:
center cores containing a composite oxide containing alkali metal or alkali earth metal; and eutectic layers containing a eutectic substance composed of at least two types of composite oxides containing the alkali metal or the alkali earth metal and configured to cover the center cores. |
| 地址 |
Shanghai CN |
