基本信息:
- 专利标题: 리튬 이차전지용 양극, 이의 제조방법 및 이를 포함한 리튬 이차전지
- 专利标题(英):Positive electrode for lithium secondary battery preparing method thereof and lithium secondary battery comprising the same
- 申请号:KR1020220153544 申请日:2022-11-16
- 公开(公告)号:KR1020220159322A 公开(公告)日:2022-12-02
- 主分类号: H01M4/131
- IPC分类号: H01M4/131 ; H01M4/525 ; H01M4/505 ; H01M10/0525 ; H01M4/02
Provided are a positive electrode for a secondary battery, a manufacturing method therefor, and a lithium secondary battery comprising the same, the positive electrode comprising: a positive electrode current collector; a first layer which is arranged on at least one surface of the cathode current collector and which comprises a first positive electrode active material; and a second layer which is arranged on the first layer and which comprises a second positive electrode active material, wherein the first positive electrode active material is represented by following chemical formula 1: Li_xNi_yM_1-yO_2, and the second positive electrode active material is represented by following chemical formula 2: Li_αCo_βM′_1-βO_2. See the detailed description of the invention for the definitions of x, y, α, β, M and M′ in the formulas.
信息查询:
EspacenetIPC结构图谱:
H | 电学 |
--H01 | 基本电气元件 |
----H01M | 用于直接转变化学能为电能的方法或装置,例如电池组 |
------H01M4/00 | 电极 |
--------H01M4/02 | .由活性材料组成或包括活性材料的电极 |
----------H01M4/06 | ..一次电池的电极 |
------------H01M4/131 | ...基于混合氧化物或氢氧化物、或氧化物或氢氧化物的混合物的电极,例如LiCoOx的 |