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    • 8. 发明公开
    • 용접 벤팅부가 구비된 각형 이차전지
    • 使用焊接通风部分的原始二次电池
    • KR1020140060881A
    • 2014-05-21
    • KR1020120127794
    • 2012-11-13
    • 주식회사 엘지화학
    • 송현민
    • H01M2/12H01M2/02
    • H01M2/12H01M2/02H01M2/04
    • The present invention relates to a prismatic secondary battery where an electrode assembly which comprises an anode, a cathode, a separator is sealed in a prismatic battery case. The prismatic secondary battery is provided. The prismatic battery case comprises a rectangular case body which has an open upper end and consists of a metallic material, and an upper cap which is combined with the open upper end of the case body and includes an electrode terminal; the contact part of the case body and the upper end cap includes a welding surface which is bonded by laser welding. The welding surface includes a welding bending part with a relatively low binding power to discharge a gas to the outside when high pressure is generated in the battery.
    • 本发明涉及一种棱镜二次电池,其中将包括阳极,阴极,隔膜的电极组件密封在棱柱形电池壳体中。 提供棱柱二次电池。 棱柱形电池壳体包括矩形壳体,其具有敞开的上端并由金属材料构成,并且上盖与壳体的敞开的上端结合并且包括电极端子; 壳体的接触部和上端盖包括通过激光焊接接合的焊接面。 焊接表面包括具有相对低的捆扎力的焊接弯曲部分,以在电池中产生高压时将气体排放到外部。