发明名称 |
CYLINDRICAL SECONDARY BATTERY |
摘要 |
A cylindrical secondary battery is disclosed. The cylindrical secondary battery includes a jelly-roll type electrode assembly, a center pin inserted to penetrate the central portion of the jelly-roll type electrode assembly, a can accommodating the electrode assembly and the center pin, a cap assembly coupled to an upper opening of the can to seal the can, and a gasket interposed between the can and the cap assembly. In the jelly-roll type electrode assembly, a first electrode, a second electrode and a separator interposed between the two electrodes are wound together. An electrode tape is attached to at least one surface of an uncoated portion of the first electrode at a core of the jelly-roll type electrode assembly. The electrode tape includes a polymeric resin film having a melting point of at least 130 °C. |
申请公布号 |
EP2642560(A4) |
申请公布日期 |
2016.05.25 |
申请号 |
EP20120739488 |
申请日期 |
2012.01.25 |
申请人 |
LG CHEM, LTD. |
发明人 |
KIM, YONG-CHAN;RYU, DUK-HYUN;KU, CHA-HOON;SUNG, NAK-GI |
分类号 |
H01M10/04;H01M2/16;H01M10/0587;H01M10/42 |
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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