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    • 9. 发明申请
    • SECONDARY BATTERY HAVING IMPROVED SAFETY BY DEFORMATION OF ELECTRODE ASSEMBLY-RECEIVING PORTION IN CASE
    • 通过电极组件接收部分变形形成改进安全的二次电池
    • US20100143787A1
    • 2010-06-10
    • US12513625
    • 2007-10-31
    • Hyun-Chul JungHyang Mok LeeByungjin ChoiJun Hwan JangJeongSam Son
    • Hyun-Chul JungHyang Mok LeeByungjin ChoiJun Hwan JangJeongSam Son
    • H01M6/12H01M4/02
    • H01M2/021H01M2/0275H01M2/0287H01M10/0525
    • Disclosed herein is a secondary battery constructed in a structure in which pluralities of electrode tabs, protruding from an electrode assembly, are connected to corresponding electrode leads, and the electrode assembly is mounted in a receiving part, wherein a battery case is multi-formed, such that the battery case presses the upper end of the electrode assembly by a predetermined width, thereby preventing the upward movement of the electrode assembly, mounted in the receiving part, at the upper end space region of the receiving part, where the electrode assembly is spaced apart from the upper end of the receiving part, for the connection between the electrode tabs and the corresponding electrode leads, during the repetitive charge and discharge of the battery. Consequently, it is possible to prevent the occurrence of a short circuit of the battery due to external impacts, such as the dropping of the battery, and to prevent the occurrence of an internal short circuit of the battery due to the expansion of the battery case caused by the repetitive charge and discharge of the battery, whereby the safety of the secondary battery is improved.
    • 这里公开了一种二次电池,其结构是将从电极组件突出的多个电极接头连接到相应的电极引线,并且将电极组件安装在接收部分中,其中电池壳体是多成形的, 使得电池壳将电极组件的上端按压预定的宽度,从而防止安装在接收部分中的电极组件向上移动在接收部分的上端空间区域,其中电极组件是 在电池的重复充电和放电期间,与接收部分的上端隔开,用于电极接头和相应的电极引线之间的连接。 因此,可以防止由于诸如电池掉落等外部冲击而引起的电池短路,并且防止由于电池壳体的膨胀引起的电池内部短路 由于电池的重复充电和放电引起的,从而提高了二次电池的安全性。
    • 10. 发明申请
    • SECONDARY BATTERY WITH TOP SEALED PORTION OF IMPROVED STRUCTURE
    • 具有改进结构的顶部密封部分的二次电池
    • US20100047687A1
    • 2010-02-25
    • US12309911
    • 2007-07-28
    • Wooyong LeeByungjin ChoiHyang Mok LeeChang bum AhnJun Hwan JangYunhee Hwang
    • Wooyong LeeByungjin ChoiHyang Mok LeeChang bum AhnJun Hwan JangYunhee Hwang
    • H01M2/08
    • H01M10/0585H01M2/0212H01M2/0275H01M2/22H01M10/425
    • Disclosed herein is a secondary battery manufactured by mounting an electrode assembly having a cathode/separator/anode structure into a pouch-shaped battery case and thermally welding the electrode assembly to the battery case, wherein a pair of insulative films are attached to opposite major surfaces of each electrode lead, to which electrode taps of the electrode assembly are electrically connected, at regions contacting an upper thermally-welded portion (upper sealed portion) of the pouch-shaped battery case, one of the insulative films (a, b), i.e., the insulative film (a), extends such that the lower end of the insulative film (a) supports a coupled region where the electrode taps are coupled to the electrode lead, and the overlapping length (L) between the insulative films (a, b) is equal to or slightly greater than the height (H) of the upper sealed portion. The secondary battery according to the present invention has the effect of preventing the breakage of the electrode leads due to the movement of the electrode assembly when external forces, such as small vibrations and dropping, are applied to the secondary battery, and, preferably, easily bending the electrode leads such that the PCM is mounted to the secondary battery.
    • 这里公开了通过将具有阴极/隔板/阳极结构的电极组件安装到袋状电池壳体中并将电极组件热焊接到电池壳体而制造的二次电池,其中一对绝缘膜附接到相对的主表面 每个电极引线,电极组件的电极抽头电连接在与袋状电池壳体的上部热焊接部分(上部密封部分)接触的区域,绝缘膜(a,b)之一, 即绝缘膜(a)延伸使得绝缘膜(a)的下端支撑电极接头与电极引线相连接的耦合区域,以及绝缘膜(a)之间的重叠长度(L) ,b)等于或略大于上密封部分的高度(H)。 根据本发明的二次电池具有防止由于电极组件在诸如小的振动和下降等外力施加到二次电池时的移动而导致的电极引线的破损的效果,并且优选地容易地 弯曲电极引线使得PCM安装到二次电池。