基本信息:
- 专利标题: 안전성이 향상된 전극조립체 및 이를 이용한 이차전지
- 专利标题(英):Electrode Assembly of Improved Safety And Secondary Battery with the Same
- 专利标题(中):改进安全和二次电池的电极组装
- 申请号:KR1020110048571 申请日:2011-05-23
- 公开(公告)号:KR101431726B1 公开(公告)日:2014-08-20
- 发明人: 김용준 , 이중민 , 이진욱 , 박선우
- 申请人: 주식회사 엘지화학
- 申请人地址: ***, Yeoui-daero, Yeongdeungpo-gu, Seoul, Republic of Korea
- 专利权人: 주식회사 엘지화학
- 当前专利权人: 주식회사 엘지화학
- 当前专利权人地址: ***, Yeoui-daero, Yeongdeungpo-gu, Seoul, Republic of Korea
- 代理人: 손창규
- 主分类号: H01M10/04
- IPC分类号: H01M10/04 ; H01M4/66 ; H01M2/26 ; H01M10/052
The present invention provides an electrode assembly with a mixture containing an electrode active material on the current collector is disposed in the membrane between an anode and a cathode that are respectively applied, wherein the cathode is constructed in a structure in which the positive electrode material mixture coated on an aluminum foil as the current collector, and the negative electrode was, and constructed in a structure in which the negative electrode material mixture coated on a metal foil other than the aluminum, less than the amount of the negative electrode active material in the amount of the negative electrode material mixture of the positive electrode active material of the positive electrode material mixture based on the whole electrode assembly as the current collector, the electrode terminal in the end position of the collector region, which provides an electrode assembly, it characterized in that the coating thickness of the positive electrode is 60% or less in the positive electrode thin layer portion of the coating thickness of the other portion of the cathode exists.
公开/授权文献:
- KR1020120130557A 안전성이 향상된 전극조립체 및 이를 이용한 이차전지 公开/授权日:2012-12-03