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    • 1. 发明授权
    • Cap assembly of improved safety and cylindrical secondary battery employed with the same
    • 具有改进的安全性和圆柱形二次电池的盖组件
    • US08383258B2
    • 2013-02-26
    • US12846873
    • 2010-07-30
    • Sungjong KimByung Kyu JungSooRyoung KimChahun Ku
    • Sungjong KimByung Kyu JungSooRyoung KimChahun Ku
    • H01M2/12
    • H01M2/345H01M2/022H01M2/0413H01M2/1241H01M10/0525H01M2200/106H01M2200/20
    • Disclosed herein is a cap assembly loaded on an open upper end of a cylindrical container of a battery in which an electrode assembly is mounted in the cylindrical container, the cap assembly including a safety vent having a predetermined notch configured to rupture by high-pressure gas generated in the battery, a current interruptive device coupled to a bottom of the safety vent by welding for interrupting current when internal pressure of the battery increases, and a current interruptive device gasket for surrounding an outer circumference of the current interruptive device, wherein the current interruptive device includes two or more through holes for gas discharge, the through holes being formed such that the sum of areas of the through holes is equal to 20% to 50% of an entire area of the current interruptive device. When high-pressure gas is generated in the battery, the cap assembly effectively interrupts current and rapidly discharges the gas, thereby greatly improving safety of the battery.
    • 本文公开了一种装载在电池的圆柱形容器的敞开的上端上的盖组件,其中电极组件安装在圆柱形容器中,帽组件包括安全排气孔,该安全排气口具有构造成通过高压气体破裂的预定凹口 在电池中产生的电流中断装置,当电流中断装置的外周围包围用于围绕电流中断装置的外周的电流中断装置垫圈时,该电流中断装置通过焊接用于中断电流而耦合到安全排气口的底部, 中断装置包括用于气体放电的两个或更多个通孔,所述通孔形成为使得通孔的面积之和等于电流中断装置的整个面积的20%至50%。 当在电池中产生高压气体时,盖组件有效地中断电流并快速排出气体,从而大大提高电池的安全性。
    • 2. 发明申请
    • CAP ASSEMBLY OF IMPROVED SAFETY AND CYLINDRICAL SECONDARY BATTERY EMPLOYED WITH THE SAME
    • 改进的安全阀座组件和与其同时使用的圆柱形二次电池
    • US20110008654A1
    • 2011-01-13
    • US12846873
    • 2010-07-30
    • Sungjong KIMByung Kyu JungSooRyoung KimChahun Ku
    • Sungjong KIMByung Kyu JungSooRyoung KimChahun Ku
    • H01M2/12
    • H01M2/345H01M2/022H01M2/0413H01M2/1241H01M10/0525H01M2200/106H01M2200/20
    • Disclosed herein is a cap assembly loaded on an open upper end of a cylindrical container of a battery in which an electrode assembly is mounted in the cylindrical container, the cap assembly including a safety vent having a predetermined notch configured to rupture by high-pressure gas generated in the battery, a current interruptive device coupled to a bottom of the safety vent by welding for interrupting current when internal pressure of the battery increases, and a current interruptive device gasket for surrounding an outer circumference of the current interruptive device, wherein the current interruptive device includes two or more through holes for gas discharge, the through holes being formed such that the sum of areas of the through holes is equal to 20% to 50% of an entire area of the current interruptive device. When high-pressure gas is generated in the battery, the cap assembly effectively interrupts current and rapidly discharges the gas, thereby greatly improving safety of the battery.
    • 本文公开了一种装载在电池的圆柱形容器的敞开的上端上的盖组件,其中电极组件安装在圆柱形容器中,帽组件包括安全排气孔,该安全排气口具有构造成通过高压气体破裂的预定凹口 在电池中产生的电流中断装置,当电流中断装置的外周围包围用于围绕电流中断装置的外周的电流中断装置垫圈时,该电流中断装置通过焊接用于中断电流而耦合到安全排气口的底部, 中断装置包括用于气体放电的两个或更多个通孔,所述通孔形成为使得通孔的面积之和等于电流中断装置的整个面积的20%至50%。 当在电池中产生高压气体时,盖组件有效地中断电流并快速排出气体,从而大大提高电池的安全性。