发明名称 |
SECONDARY BATTERY HAVING IMPROVED ENERGY DENSITY |
摘要 |
There is provided a secondary battery including an electrode assembly having a stack structure of an anode/a separation film/a cathode, a pouch type exterior member configured of a lower surface in which a receiving part is formed and an upper surface covering the receiving part, a single electrode assembly or a plurality of electrode assemblies being received in the receiving part, and an electrode terminal formed outwardly of the pouch type exterior member, the secondary battery including: a sealing part formed by bonding edges of the pouch type exterior member, wherein a portion of the sealing part formed on a surface of the pouch type exterior member on which the electrode terminal is not formed outwardly of the exterior member is folded downwardly at an angle of 90 degrees. |
申请公布号 |
US2015303414(A1) |
申请公布日期 |
2015.10.22 |
申请号 |
US201414372240 |
申请日期 |
2014.03.21 |
申请人 |
LG CHEM, LTD. |
发明人 |
Park Jun-Kyu;Park Hyun-Woo;Lee Kyung-Min;Lee Jeong-Ah;Um Jae-Ho |
分类号 |
H01M2/08;H01M10/052;H01M2/02;H01M2/30 |
主分类号 |
H01M2/08 |
代理机构 |
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代理人 |
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主权项 |
1. A secondary battery including an electrode assembly having a stack structure of an anode/a separation film/a cathode, a pouch type exterior member configured of a lower surface in which a receiving part is formed and an upper surface covering the receiving part, a single electrode assembly or a plurality of electrode assemblies being received in the receiving part, and an electrode terminal formed outwardly of the pouch type exterior member, the secondary battery comprising:
a sealing part formed by bonding edges of the pouch type exterior member, wherein a portion of the sealing part formed on a surface of the pouch type exterior member on which the electrode terminal is not formed outwardly of the exterior member is folded downwardly at an angle of 90 degrees. |
地址 |
Seoul KR |