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    • 44. 发明授权
    • 전지팩 케이스 및 이를 포함하는 전지팩
    • 电池组盒和电池组包括相同
    • KR101842323B1
    • 2018-03-26
    • KR1020150016276
    • 2015-02-02
    • 주식회사 엘지화학
    • 유재민박준규성준엽
    • H01M2/10H01M2/26H01M2/02
    • 전극단자와버스바의용접공정개선을위하여구조변경한전지팩케이스및 이를포함하는전지팩을제공한다. 본발명에따른전지팩케이스는이차전지의적어도일측에배치되는지지부; 상기지지부에배치되고상기이차전지의전극단자와통전되는버스바; 및상기지지부중 상기버스바 하단에위치하고주변보다낮아단차를형성하는홈을포함한다. 본발명에따른전지팩케이스는상기지지부에형성되고외부로노출된단부에상기홈과연통되어형성되는배출구를더 포함할수도있다.
    • 提供在结构上改变以改善电极端子和汇流条的焊接过程的电池组壳体以及包括该电池组壳体的电池组。 根据本发明的电池组壳体包括:设置在二次电池的至少一侧上的支撑部分; 母线,设置在所述支撑部分中并电连接到所述二次电池的电极端子; 并且位于汇流条的下端并且形成低于汇流条的周边的高度差的凹槽。 根据本发明的电池组壳体还可以包括形成在支撑部分中并在暴露于外部的端部处与沟槽连通的出口。
    • 48. 发明公开
    • 초음파 용접 장치
    • 超声波焊接设备
    • KR1020130134933A
    • 2013-12-10
    • KR1020120058846
    • 2012-05-31
    • 주식회사 엘지화학
    • 이경민신영준박현우박준규
    • B23K20/10H01M2/26H01M2/30H01M10/04
    • Disclosed is an ultrasonic welding device in which the strength of an electrode structure body is improved. The ultrasonic welding device according to the present invention includes a welding member to transmit ultrasonic waves while electrode leads in contact with an electrode tap is pressurized and to weld the electrode tap and the electrode leads by pressurizing a cathode lead with pressure strong than the pressure pressurizing an anode lead or transmitting ultrasonic waves strong than the ultrasonic waves transmitted to the anode lead to the cathode lead. The present invention improves the strength at the cathode welding contact surface of a secondary battery as the strength at the anode welding contact surface and prevents contact resistance uniformity between both electrodes for preventing the secondary battery from degrading. [Reference numerals] (110) Ultrasonic generator
    • 公开了一种电极结构体的强度提高的超声波焊接装置。 根据本发明的超声波焊接装置包括:在与电极接头接触的电极引线被加压的同时传输超声波的焊接部件,并且通过在比压力加压强的压力下加压阴极引线来焊接电极接头和电极引线 阳极引线或发射超过发射到阳极的超声波的超声波导向阴极引线。 本发明提高了二次电池的阴极焊接面的强度,作为阳极焊接面的强度,并且防止了两电极之间的接触电阻均匀性,从而防止二次电池的劣化。 (附图标记)(110)超声波发生器