发明名称 |
SECONDARY BATTERY PROVIDED WITH INSULATOR |
摘要 |
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on top of the jelly-roll includes a perforated inlet enabling gas discharge and penetration of electrode terminals, a plurality of fine pores having a size that allows permeation of an electrolyte solution, but does not allow permeation of foreign materials, and a plurality of strip or bead shaped protrusions disposed in transverse and/or longitudinal directions on one or both surfaces of the insulator. |
申请公布号 |
EP2706604(A4) |
申请公布日期 |
2014.06.04 |
申请号 |
EP20120805102 |
申请日期 |
2012.06.04 |
申请人 |
LG CHEM, LTD. |
发明人 |
KIM, DO GYUN;KIM, DONG-MYUNG;NAM, SANG BONG;LEE, DONG SUB;MOON, JUN HO;JUNG, SANG SOK |
分类号 |
H01M10/02;H01B3/30;H01M2/10;H01M10/052;H01M10/058 |
主分类号 |
H01M10/02 |
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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