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    Safety test apparatus of battery cell
    1.
    发明授权
    Safety test apparatus of battery cell 有权

    公开(公告)号：US10481058B2

    公开(公告)日：2019-11-19

    申请号：US15724720

    申请日：2017-10-04

    申请人： LG Chem, Ltd.

    发明人： Tae Gyun Noh ,  Bum Young Jung ,  Ki Woong Kim ,  Hee Soo Na ,  Oh Jun Kwon

    IPC分类号： G01N3/303 ,  H01M10/48

    摘要： The present invention relates to a safety test apparatus of a battery cell. The safety test apparatus of the battery cell comprises: a jig on which the battery cell is disposed on a top surface thereof; and an impact member comprising an impact rod supported on the top surface of the battery cell and a striking weight disposed above the jig to freely drop toward the jig and strike the impact rod so that an impact is applied to the battery cell, wherein the striking weight is provided in a pair and comprises left and right striking parts that respectively strike two striking points, which are spaced apart from each other, of the impact rod and a connection part connecting the left and right striking parts to each other.

    Battery cell including stepped structure
    2.
    发明授权
    Battery cell including stepped structure 有权

    公开(公告)号：US10014556B2

    公开(公告)日：2018-07-03

    申请号：US14437254

    申请日：2014-02-04

    申请人： LG CHEM, LTD.

    发明人： Sungjin Kwon ,  Dong-Myung Kim ,  Ki Woong Kim

    IPC分类号： H01M2/02 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/04

    CPC分类号： H01M10/0585 ,  H01M2/0207 ,  H01M2/021 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/0525

    摘要： Disclosed herein is a battery cell configured to have a structure in which an electrode assembly, including positive electrodes, negative electrodes, and separators disposed respectively between the positive electrodes and the negative electrodes, is mounted in a battery case, wherein the battery case includes an upper case and a lower case, the upper case being provided with a first receiving part, in which the electrode assembly is received, the lower case being provided with a second receiving part, in which the electrode assembly is received, the first receiving part and the second receiving part being configured to have structures of different sizes, and the electrode assembly has an external shape corresponding to internal shapes of the first receiving part and the second receiving part.

    Battery cell having round corner
    3.
    发明授权
    Battery cell having round corner 有权

    公开(公告)号：US09741974B2

    公开(公告)日：2017-08-22

    申请号：US14653054

    申请日：2014-04-08

    申请人： LG CHEM, LTD.

    发明人： Sungjin Kwon ,  Young Hoon Kim ,  Sunghan Yoon ,  Dong-Myung Kim ,  Ki Woong Kim

    IPC分类号： H01M2/04 ,  H01M2/02

    CPC分类号： H01M2/021 ,  H01M2/0212 ,  H01M2/024 ,  H01M2/0277 ,  H01M2/0285 ,  H01M2/0287 ,  H01M2220/10 ,  H01M2220/20 ,  H01M2220/30

    摘要： Disclosed herein is a battery cell configured to have a structure in which an electrode assembly, including positive electrodes, negative electrodes, and separators disposed respectively between the positive electrodes and the negative electrodes, is mounted in a battery case made of a laminate sheet including a resin layer and a metal layer, wherein the battery case is made of a one-unit member, which is bent to form an upper case and a lower case, at least one of the upper and lower cases is provided with a receiving part, in which the electrode assembly is mounted, the receiving part having a round corner formed at at least one side edge thereof, and sealed portions, which are formed at the upper case and the lower case by thermal welding, are located at an upper side of the battery case at which at least one electrode terminal is located, a first lateral side of the battery case adjacent to the upper side, and a lower side of the battery case opposite to the upper side, and a second lateral side of the battery case adjacent to the upper side is formed by a bent structure of the battery case.

    Stepped electrode assembly
    7.
    发明授权
    Stepped electrode assembly 有权
    步进电极组件

    公开(公告)号：US09196898B2

    公开(公告)日：2015-11-24

    申请号：US13845734

    申请日：2013-03-18

    申请人： LG Chem, Ltd.

    发明人： Sungjin Kwon ,  Dong-Myung Kim ,  Ki Woong Kim ,  Soonho Ahn

    IPC分类号： H01M4/02 ,  H01M4/13 ,  H01M10/052 ,  H01M10/0585 ,  H01M2/16 ,  H01M10/42

    CPC分类号： H01M10/0585 ,  H01M2/1673 ,  H01M2/266 ,  H01M4/13 ,  H01M4/70 ,  H01M6/42 ,  H01M6/46 ,  H01M10/0436 ,  H01M10/0459 ,  H01M10/052 ,  H01M10/058 ,  H01M2002/0205 ,  H01M2004/021 ,  H01M2004/025 ,  H01M2010/4292 ,  H01M2220/30 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

    摘要： Disclosed herein is an electrode assembly including two or more electrode plates, each of which has electrode tabs, and a separator plate disposed between the electrode plates and/or a one-unit separation sheet disposed between the electrode plates to cover side surfaces of the electrode plates, which constitute an electrode tab non-formation region, wherein the electrode plates are stacked in a height direction on the basis of a plane such that the electrode plates having opposite polarities face each other in a state in which the separator plate and/or the separation sheet is disposed between the electrode plates, a stack constituted by the electrode plates includes electrode plates having different sizes, and an absolute value of the difference in thickness between the electrode plates having different sizes facing each other is 0 to 79 μm.

    摘要翻译： 本文公开了一种电极组件，其包括两个或更多个电极板，每个电极板具有电极片，以及设置在电极板之间的隔板和/或设置在电极板之间的单组分隔片，以覆盖电极的侧表面 板，其构成电极片非形成区域，其中，电极板基于平面在高度方向上堆叠，使得具有相反极性的电极板处于分离板和/或 分离片设置在电极板之间，由电极板构成的叠层包括具有不同尺寸的电极板，并且彼此面对的具有不同尺寸的电极板之间的厚度差的绝对值为0至79μm。

    BATTERY CELL OF NOVEL STRUCTURE
    9.
    发明申请
    BATTERY CELL OF NOVEL STRUCTURE 审中-公开
    电池结构的电池

    公开(公告)号：US20140205879A1

    公开(公告)日：2014-07-24

    申请号：US14224778

    申请日：2014-03-25

    申请人： LG Chem, Ltd.

    发明人： Pillgyu Jang ,  Soonho Ahn ,  Sang Baek Ryu ,  Ki Woong Kim

    IPC分类号： H01M2/02

    CPC分类号： H01M2/0217 ,  H01M2/021 ,  H01M2/026 ,  H01M2/0277 ,  H01M2/0285 ,  H01M2/0287 ,  H01M10/0431 ,  H01M10/0463 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587

    摘要： Disclosed herein is a battery cell configured to have a structure in which an electrode assembly is mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer in a state in which the electrode assembly are connected to electrode terminals protruding outward from the battery case. The electrode assembly is configured such that separators are respectively disposed between cathodes and anodes, each of which is formed by applying a compound including an electrode active material to a current collector. At least a portion of an inside of the battery case corresponding to an outer circumference of the electrode assembly has an upward sloping structure in which a width of the battery case increases upward in vertical section or a downward sloping structure in which the width of the battery case increases downward in vertical section.

    摘要翻译： 这里公开了一种电池单元，其被配置为具有这样的结构，其中电极组件安装在由包括树脂层和金属层的层叠片形成的电池壳体中，其中电极组件连接到向外突出的电极端子 从电池盒。 电极组件被配置为使得隔板分别设置在阴极和阳极之间，每个阳极通过将包含电极活性材料的化合物施加到集电器而形成。 电池壳体的与电极组件的外周对应的内部的至少一部分具有向上倾斜的结构，其中电池壳体的宽度在垂直截面上增加或向下倾斜的结构，其中电池的宽度 垂直剖面下降。

    Battery Cell Of Stair-Like Structure
    10.
    发明申请
    Battery Cell Of Stair-Like Structure 有权
    阶梯式结构的电池

    公开(公告)号：US20140011070A1

    公开(公告)日：2014-01-09

    申请号：US13845762

    申请日：2013-03-18

    申请人： LG Chem, Ltd.

    发明人： Young Hun Kim ,  Sungjin Kwon ,  Soonho Ahn ,  Dong-Myung Kim ,  Ki Woong Kim ,  Seungmin Ryu

    IPC分类号： H01M10/04

    CPC分类号： H01M10/0585 ,  H01M2/0207 ,  H01M2/021 ,  H01M2/0212 ,  H01M2/0217 ,  H01M2/024 ,  H01M2/0275 ,  H01M2/08 ,  H01M2/361 ,  H01M10/0436 ,  H01M10/0463 ,  H01M10/0525 ,  H01M10/446 ,  H01M2220/30 ,  Y10T29/4911

    摘要： Disclosed herein is a battery cell configured to have a structure in which an electrode assembly including a separator disposed between a cathode and an anode is mounted in a battery case, wherein the battery case includes an upper case and a lower case, the upper case and/or the lower case being provided with a receiving part, in which the electrode assembly is mounted, the electrode assembly includes a plurality of electrodes or unit cells stacked in a height direction on the basis of a plane, two or more of the electrodes or the unit cells having different planar sizes, and the receiving part of the battery case is provided with stair-like steps corresponding to an external appearance of the electrode assembly.

    摘要翻译： 这里公开了一种电池单元，其被配置为具有这样的结构，其中包括设置在阴极和阳极之间的隔板的电极组件安装在电池壳体中，其中电池壳体包括上壳体和下壳体，上壳体和 或者下壳体设置有接收部件，其中安装有电极组件，电极组件包括基于平面，两个或更多个电极或高度方向堆叠的多个电极或单元电池， 单元电池具有不同的平面尺寸，并且电池壳体的接收部分设置有对应于电极组件的外观的阶梯状步骤。