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    • 1. 发明申请
    • SECONDARY BATTERY COMPRISING ANTI-EXPLOSION MEANS
    • 包含抗爆炸装置的二次电池
    • WO2011081333A3
    • 2011-10-27
    • PCT/KR2010009044
    • 2010-12-17
    • ROUTE JD INCKIM HEE-SEOKJUNG YOUNG-HOKIM YOUNG-DUGHONG JI-JUNJUNG TAEK-JOO
    • KIM HEE-SEOKJUNG YOUNG-HOKIM YOUNG-DUGHONG JI-JUNJUNG TAEK-JOO
    • H01M2/12H01M10/00
    • H01M2/1235H01M2/0217
    • A secondary battery according to the present invention comprises: an electrode assembly; an exterior case which accommodates the electrode assembly therein; and anti-explosion means including a punching pin, and a frame in which the punching pin is installed in such a way that one side of the punching pin is directed toward an outer surface of the exterior case, wherein the frame is coupled to the exterior case. Thus, when the exterior case expands by an increase in the pressure therein, the exterior case is brought into contact with the punching pin, and a through-hole is formed in the exterior case. The secondary battery of the present invention is configured such that the through-hole is formed in the exterior case when the exterior case expands by the increase in the pressure therein, and the gas in the exterior case is discharged to the outside to prevent explosion thereof. In addition, the protruding length of the punching pin can be adjusted to easily control through-hole forming time, and sharp fractures are prevented from being formed at the secondary battery to protect users from injury.
    • 根据本发明的二次电池包括:电极组件; 其中容纳电极组件的外壳; 以及包括冲孔销的防爆装置,以及其中冲孔销安装在其中的框架,使得冲孔销的一侧朝向外壳的外表面,其中框架联接到外部 案件。 因此,当外壳由于其中的压力增大而膨胀时,外壳与冲孔销接触,并且在外壳中形成通孔。 本发明的二次电池被构造成使得当外壳通过其中的压力的​​增加而膨胀时,通孔形成在外壳中,并且外壳中的气体被排出到外部以防止其爆炸 。 另外,通过调整冲压销的突出长度,可以容易地控制贯通孔的形成时间,并且防止在二次电池上形成尖锐的裂纹,以保护用户免受伤害。
    • 3. 发明申请
    • SECONDARY BATTERY HAVING A VENT HOLE
    • 具有通风孔的二次电池
    • WO2011081334A2
    • 2011-07-07
    • PCT/KR2010009045
    • 2010-12-17
    • ROUTE JD INCKIM HEE-SEOKJUNG YOUNG-HOKIM YOUNG-DUGHONG JI-JUN
    • KIM HEE-SEOKJUNG YOUNG-HOKIM YOUNG-DUGHONG JI-JUN
    • H01M2/12H01M10/00
    • H01M2/1235H01M2/06H01M2/30H01M2200/10H01M2200/20
    • A secondary battery according to the present invention comprises: an electrode assembly; an exterior case which accommodates the electrode assembly therein; a terminal installed in the exterior case such that one side of the terminal is protruded outwardly from the exterior case, wherein the terminal is electrically connected to the electrode assembly, and has an interior with a vent hole for communicating inside and outside of the exterior case; and a sealing cap which covers and seals the vent hole using, as a coupling mediator, a low-melting point material having a melting point lower than that of the exterior case or the terminal. The secondary battery of the present invention is configured such that the vent hole automatically opens when the temperature or pressure in the secondary battery is raised to a level higher than a reference value, thereby preventing an explosion caused by an expansion of the exterior case. In addition, timing for discharging gas generated from the inside of the secondary battery can be accurately set, and sharp fractures are prevented from being formed at the secondary battery during opening of the vent hole to protect users from injury.
    • 根据本发明的二次电池包括:电极组件; 容纳电极组件的外壳; 安装在外壳中的端子,使得端子的一侧从外壳向外突出,其中端子电连接到电极组件,并且具有用于连通外壳的内部和外部的通气孔的内部 ; 以及密封盖,其使用低于外壳或端子的熔点的低熔点材料作为耦合介体来覆盖和密封通气孔。 本发明的二次电池被构造成使得当二次电池中的温度或压力升高到高于参考值的水平时,通气孔自动打开,从而防止外部壳体膨胀引起的爆炸。 此外,可以准确地设定从二次电池内部排出的气体的定时,并且防止在通气孔打开期间在二次电池处形成锐利的裂缝,以保护用户免受伤害。