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 代理人
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