发明名称 |
FLEXIBLE JELLY ROLL TYPE SECONDARY BATTERY |
摘要 |
There is provided a jelly-roll type electrode assembly. In the jelly-roll type electrode assembly including a cathode including a cathode active material coating layer and an anode including an anode active material coating layer, with a separation film interposed therebetween, and formed to be rolled, the jelly-roll type electrode assembly is characterized in that the anode and the cathode include uncoated portions, the uncoated portions are overlapped and include mirror images formed on a front surface and a rear surface, and the jelly-roll type electrode assembly is flexible in the uncoated portion. A pouch-type secondary battery, a battery pack and a device including the electrode assembly are provided. A flexible jelly-roll type secondary battery may be reversibly flexible while blocking the separation of an electrode active material from a current collector surface. |
申请公布号 |
EP2919311(A4) |
申请公布日期 |
2016.07.06 |
申请号 |
EP20130817843 |
申请日期 |
2013.11.07 |
申请人 |
LG CHEM, LTD. |
发明人 |
CHUNG, JOO-YOUNG;JUNG, HYUN-CHUL;CHUNG, JAE-BIN;AN, IN-GU |
分类号 |
H01M10/04;H01M2/02;H01M4/02;H01M4/04;H01M4/13;H01M10/0587 |
主分类号 |
H01M10/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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