发明公开
EP2869369A1 CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING SAME
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基本信息:
- 专利标题： CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING SAME
- 专利标题（中）：用于二次电池的阴极活性材料和包含该二次电池的二次电池
- 申请号：EP13854079.4 申请日：2013-11-05
- 公开(公告)号：EP2869369A1 公开(公告)日：2015-05-06
- 发明人： LEE, Bo Ram , JEON, Hye Lim , SHIN, Sun Sik , LEE, Sangwook , JUNG, Wang Mo
- 申请人： LG Chem, Ltd.
- 申请人地址： 128 Yeoui-daero Youngdungpo-gu Seoul 150-721 KR
- 专利权人： LG Chem, Ltd.
- 当前专利权人： LG ENERGY SOLUTION, LTD., KR
- 当前专利权人地址： LG ENERGY SOLUTION, LTD., KR
- 代理机构： Goddar, Heinz J.
- 优先权： KR20120124869 20121106
- 国际公布： WO2014073833 20140515
- 主分类号： H01M4/505
- IPC分类号： H01M4/505 ; H01M4/04 ; H01M4/1391 ; H01M10/052
摘要：
Provided is a cathode active material including a complex coating layer, which includes M below, formed on a surface of the cathode active material through reaction of a lithium transition metal oxide represented by Formula 1 below with a coating precursor:
Li x MO 2 (1)
wherein M is represented by Mn a M' 1-b , M' is at least one selected from the group consisting of Al, Mg, Ni, Co, Cr, V, Fe, Cu, Zn, Ti and B, 0.95≤x≤1.5, and 0.5≤a≤1.
The lithium secondary battery including the cathode active material exhibits improved lifespan and rate characteristics due to superior stability.
摘要（中）：
Li x MO 2 (1)
wherein M is represented by Mn a M' 1-b , M' is at least one selected from the group consisting of Al, Mg, Ni, Co, Cr, V, Fe, Cu, Zn, Ti and B, 0.95≤x≤1.5, and 0.5≤a≤1.
The lithium secondary battery including the cathode active material exhibits improved lifespan and rate characteristics due to superior stability.
提供一种正极活性材料，其包括通过由下式1表示的锂过渡金属氧化物与涂层前体反应而在正极活性材料的表面上形成的包含M的复合涂层：LixMO2（1）其中M 由MnaM'1-b表示，M'是选自Al，Mg，Ni，Co，Cr，V，Fe，Cu，Zn，Ti和B中的至少一种，0.95≤x≤1.5，和 0.5≤a≤1。 包含该正极活性材料的锂二次电池由于优异的稳定性而表现出改善的寿命和速率特性。