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    • 1. 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。
    • 5. 发明申请
    • STACK AND FOLDING-TYPED ELECTRODE ASSEMBLY AND METHOD FOR PREPARATION OF THE SAME
    • 堆叠和折叠式电极组件及其制备方法
    • US20100279161A1
    • 2010-11-04
    • US12667484
    • 2008-07-02
    • Kyong Won KangHyang Mok LeeByungjin ChoiEunyoung GohSung-Min HwangOhYoung HyunChang bum AhnHyun-Chul JungWooyong Lee
    • Kyong Won KangHyang Mok LeeByungjin ChoiEunyoung GohSung-Min HwangOhYoung HyunChang bum AhnHyun-Chul JungWooyong Lee
    • H01M6/10H01M4/82
    • H01M10/0436H01M6/46H01M10/0459H01M10/052H01M10/0583Y10T29/49108Y10T29/49112
    • Disclosed herein is a method of locating a plurality of pull cells constructed in a cathode/separator/anode structure, as basic units, on a separator sheet having a continuous length, further locating a unit electrode or a bi-cell on the separator sheet, and winding the pull cells and unit electrode or the bi-cell to continuously manufacture a stacking/folding type electrode assembly constructed in a structure in which anodes are located at the outermost electrodes forming the outside of the electrode assembly, respectively, wherein the method including a step of continuously supplying a cathode sheet, an anode sheet, a first separator sheet, and a second separator sheet, to manufacture the unit cells, successively arranging the unit cells on the second separator sheet from a first stage to an n stage, and winding the unit cells, a step of arranging cathode tabs and anode tabs at the respective stages, while the cathode tabs and the anode tabs are opposite to each other, and arranging electrode tabs having the same polarity between the neighboring stages, while the electrode tabs are opposite to each other, such that the electrode tabs having the same polarity are located all together at predetermined positions of the wound electrode assembly, and a step of supplying electrodes the number of which is odd from two electrode sheets and electrodes the number of which is even from one electrode sheet.
    • 本文公开了一种将在阴极/隔板/阳极结构中构造的多个拉电池作为基本单元定位在具有连续长度的隔板上,将单元电极或双电池进一步放置在隔板上的方法, 以及卷绕拉电池和单元电极或双电池以连续地制造堆叠/折叠型电极组件,其分别以阳极位于形成电极组件外部的最外电极的结构中构成,其中包括 连续地供给阴极片,阳极片,第一隔片片和第二隔片片的步骤,制造单位电池,将第一隔离片的单位电池从第一阶段到第n阶段依次排列,以及 卷绕单元电池,在阴极接片和阳极接片彼此相对的同时在相应的阶段布置阴极接头和阳极接头的步骤,并且布置 电极片在相邻台阶之间具有相同的极性,同时电极片彼此相对,使得具有相同极性的电极片全部位于卷绕的电极组件的预定位置处,并且提供电极的步骤 其数量从两个电极片和电极的数量是奇数的,电极的数量甚至是一个电极片。
    • 6. 发明授权
    • Stack and folding-typed electrode assembly and method for preparation of the same
    • 堆叠折叠型电极组件及其制备方法
    • US08709642B2
    • 2014-04-29
    • US12667484
    • 2008-07-02
    • Kyong Won KangHyang Mok LeeByungjin ChoiEunyoung GohSung-Min HwangOh Young HyunChang bum AhnHyun-Chul JungWooyong Lee
    • Kyong Won KangHyang Mok LeeByungjin ChoiEunyoung GohSung-Min HwangOh Young HyunChang bum AhnHyun-Chul JungWooyong Lee
    • H01M10/04
    • H01M10/0436H01M6/46H01M10/0459H01M10/052H01M10/0583Y10T29/49108Y10T29/49112
    • Disclosed herein is a method of locating a plurality of full cells constructed in a cathode/separator/anode structure, as basic units, on a separator sheet having a continuous length, further locating a unit electrode or a bi-cell on the separator sheet, and winding the full cells and unit electrode or the bi-cell to continuously manufacture a stacking/folding type electrode assembly constructed in a structure in which anodes are located at the outermost electrodes forming the outside of the electrode assembly, respectively, wherein the method including a step of continuously supplying a cathode sheet, an anode sheet, a first separator sheet, and a second separator sheet, to manufacture the unit cells, successively arranging the unit cells on the second separator sheet from a first stage to an nth stage, and winding the unit cells, a step of arranging cathode tabs and anode tabs at the respective stages, while the cathode tabs and the anode tabs are opposite to each other, and arranging electrode tabs having the same polarity between the neighboring stages, while the electrode tabs are opposite to each other, such that the electrode tabs having the same polarity are located all together at predetermined positions of the wound electrode assembly, and a step of supplying electrodes the number of which is odd from two electrode sheets and electrodes the number of which is even from one electrode sheet.
    • 本文公开了一种在具有连续长度的隔离片上定位作为基本单元的阴极/隔板/阳极结构中构成的多个全电池的方法,将单元电极或双电池进一步放置在隔板上, 并卷绕全部单元和单位电极或双电池以连续地制造堆叠/折叠型电极组件,其分别以阳极位于形成电极组件外侧的最外电极的结构中构成,其中包括 连续地供给阴极片,阳极片,第一隔板片和第二隔片片的步骤,以制造单元电池,从第一阶段到第n阶段将单元电池依次布置在第二隔板片上,以及 卷绕单元电池,在阴极片和阳极片彼此相对的同时在相应的阶段排列阴极片和阳极片的步骤, g电极片在相邻台阶之间具有相同的极性,同时电极片彼此相对,使得具有相同极性的电极片全部位于卷绕电极组件的预定位置处,并且提供电极 其数量从两个电极片和电极的数量是奇数的,电极的数量甚至是一个电极片。