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    • 8. 发明申请
    • ELECTRODE ASSEMBLY PREPARED IN LONGITUDINAL FOLDING MANNER AND ELECTROCHEMICAL CELL EMPLOYING THE SAME
    • 在长期折叠的手电筒和电化学电池中制备的电极组件
    • US20070105014A1
    • 2007-05-10
    • US11548084
    • 2006-10-10
    • Youngjoon ShinMin Su KimJi Heon RyuJeong Hee ChoiSeung-Jin Yang
    • Youngjoon ShinMin Su KimJi Heon RyuJeong Hee ChoiSeung-Jin Yang
    • H01M2/24H01M6/42H01M2/26
    • H01M10/0413H01M2/0275H01M2/0287H01M2/266H01M10/0431H01M10/0525H01M10/0583H01M10/4235
    • Disclosed herein are an electrode assembly including a plurality of unit cells folded by a continuous separation film wherein the unit cells are arranged on the separation film such that electrode taps of the unit cells face each other, the separation film has openings corresponding to the electrode taps of the unit cells, and the electrode assembly is manufactured by folding the unit cells in the longitudinal (lengthwise) direction of the separation film while the unit cells are disposed such that the electrode taps of the unit cells are inserted into the corresponding openings, and an electrochemical cell, such as a secondary battery, including the same. The electrode assembly according to the present invention is a hybrid type electrode assembly solving the problems of the jelly-roll type electrode assembly and the stacking type electrode assembly. Consequently, when external impacts are applied to the electrode assembly, for example, the electrode assembly falls, it is possible to minimize the occurrence of internal short circuits and thus to improve the safety of the electrode assembly. Furthermore, it is possible to perform the process for impregnating (wetting) the electrolyte into the electrodes in a short time during the assembly of the electrochemical cell.
    • 本文公开了一种电极组件,其包括由连续分离膜折叠的多个单元电池,其中单元电池布置在分离膜上,使得单元电池的电极抽头彼此面对,分离膜具有对应于电极抽头的开口 的单元电池,并且通过在分离膜的纵向(纵向)方向上折叠单元电池而制造电极组件,同时单元电池被布置成使得单元电池的电极抽头插入到相应的开口中,并且 包括其的电化学电池,例如二次电池。 根据本发明的电极组件是解决胶卷型电极组件和堆叠型电极组件的问题的混合型电极组件。 因此,当对电极组件施加外部冲击时,例如电极组件掉落,可以最小化内部短路的发生,从而提高电极组件的安全性。 此外,可以在组装电化学电池期间在短时间内进行浸渍(润湿)电解质到电极中的工艺。
    • 10. 发明授权
    • Safety switch using heat shrinkage tube and secondary battery including the same
    • 使用热收缩管和二次电池的安全开关包括相同的
    • US08455123B2
    • 2013-06-04
    • US12309505
    • 2007-07-14
    • Ji Heon RyuJeong Hee ChoiYoungjoon Shin
    • Ji Heon RyuJeong Hee ChoiYoungjoon Shin
    • H01M10/50
    • H01M2/34H01H37/48H01M2/348H01M10/4235
    • Disclosed herein is a safety switch including a tube that is capable of shrinking when exposed to temperatures in excess of a predetermined temperature level (“heat shrinkage tube”), wherein the length of the heat shrinkage tube is changeable to control current conduction, one end of the heat shrinkage tube is fixed, and the other end of the heat shrinkage tube is connected to an electric wire connection part, such that current conduction or current interruption is accomplished by the change in length of the heat shrinkage tube when the heat shrinkage tube is varied due to heat. When a battery or a battery pack is exposed to an abnormal environment, with the result that the temperature of the battery or the battery pack exceeds a predetermined temperature level, the heat shrinkage tube of the safety switch shrinks to directly interrupt external charge current, thereby preventing the further charge of the battery or the battery pack. Furthermore, internal energy accumulated in the battery cell is forcibly consumed, thereby fundamentally preventing the progress of the abnormal operation of the battery or the battery pack. Consequently, the safety of the battery is secured.
    • 本文公开了一种安全开关,其包括当暴露于超过预定温度水平的温度(“热收缩管”)时能够收缩的管,其中,热收缩管的长度可改变以控制电流传导,一端 热收缩管的另一端与电线连接部连接,通过热收缩管的长度变化来实现电流导通或电流中断 由于热而变化。 当电池或电池组暴露于异常环境时,电池或电池组的温度超过预定的温度水平,安全开关的热收缩管收缩以直接中断外部充电电流,从而 防止电池或电池组进一步充电。 此外,蓄积在电池单元中的内部能量被强制消耗,从而从根本上防止电池或电池组的异常运行的进行。 因此,确保了电池的安全性。