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    SECONDARY BATTERY CASE, SECONDARY BATTERY, AND BATTERY MODULE
    1.
    发明公开
    SECONDARY BATTERY CASE, SECONDARY BATTERY, AND BATTERY MODULE 审中-公开

    公开(公告)号：EP3739649A1

    公开(公告)日：2020-11-18

    申请号：EP19897500.5

    申请日：2019-08-08

    申请人： LG CHEM, LTD.

    发明人： LEE, Won Jong ,  KIM, Ki Woong

    IPC分类号： H01M2/02 ,  H01M2/10

    摘要： A case for a secondary battery, a secondary battery, and a battery module are disclosed.
    According to the present invention, since an uneven part is provided in each of an upper case and a lower case of the secondary battery, the upper case and the lower case may be coupled to each other without being misaligned in a process of manufacturing the prismatic type secondary battery.

    SECONDARY BATTERY
    2.
    发明公开
    SECONDARY BATTERY 审中-公开

    公开(公告)号：EP3503279A1

    公开(公告)日：2019-06-26

    申请号：EP18828206.5

    申请日：2018-05-04

    申请人： LG Chem, Ltd.

    发明人： YUN, Su Hyun ,  KANG, Kyoung Won ,  KIM, Ki Woong ,  OH, Jung Shik

    IPC分类号： H01M10/04 ,  H01M10/0583 ,  H01M10/42 ,  H01M4/66 ,  H01M2/02

    摘要： The present invention relates to a secondary battery. The secondary battery comprises an electrode assembly comprising a plurality of radical units in which a first electrode and a second electrode are alternately laminated with a separator therebetween and a separation film surrounding the plurality of radical units to be repeatedly laminated, wherein the electrode assembly comprises a protection unit laminated on an outermost separation film disposed on the uppermost end or lowermost end of the separation film, the protection unit has a structure a second protection electrode, a separator, a first protection electrode are successively laminated from the outermost separation film disposed on the uppermost end or lowermost end of the electrode assembly, the second protection electrode has a cross-sectional coating structure comprising a second collector and a second electrode active material portion coated with a second electrode active material on an inner surface of the second collector, and the inner surface is a surface facing a center of the electrode assembly.

    BATTERY CELL INCLUDING STEPPED STRUCTURE
    6.
    发明公开
    BATTERY CELL INCLUDING STEPPED STRUCTURE 有权
    BATTERIEZELLE MITSTUFENFÖRMIGERSTRUKTUR

    公开(公告)号：EP2955768A1

    公开(公告)日：2015-12-16

    申请号：EP14748561.9

    申请日：2014-02-04

    申请人： LG Chem, Ltd.

    发明人： KWON, Sungjin ,  KIM, Dong-Myung ,  KIM, Ki Woong

    IPC分类号： H01M2/02 ,  H01M2/04

    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.

    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，其中包括正极，负极和分别设置在正极和负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，上壳体设置有第一接收部分，其中接收电极组件，下壳体设置有第二接收部分，其中接收电极组件，第一接收部分和 所述第二容纳部被配置为具有不同尺寸的结构，并且所述电极组件具有对应于所述第一接收部和所述第二接收部的内部形状的外部形状。

    ELECTRODE ASSEMBLY HAVING STEPPED STRUCTURE
    7.
    发明公开
    ELECTRODE ASSEMBLY HAVING STEPPED STRUCTURE 有权
    ELEKTRODENANORDNUNG MIT ABGESTUFTER STRUKTUR

    公开(公告)号：EP2922134A1

    公开(公告)日：2015-09-23

    申请号：EP13855305.2

    申请日：2013-03-15

    申请人： LG Chem, Ltd.

    发明人： KWON, Sungjin ,  KIM, Dong-Myung ,  KIM, Ki Woong ,  AHN, Soonho

    IPC分类号： H01M10/04 ,  H01M4/70 ,  H01M4/64 ,  H01M10/052

    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 µ m.

    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接头和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离片，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 COMPRISING ELECTRODE ASSEMBLY HAVING ALTERNATING ALIGNMENT STRUCTURE
    8.
    发明公开
    BATTERY CELL COMPRISING ELECTRODE ASSEMBLY HAVING ALTERNATING ALIGNMENT STRUCTURE 有权
    BATTERIEZELLE MIT EINER ELEKTRODENANORDNUNG MIT WECHSELNDER AUSRICHTUNGSSTRUKTUR

    公开(公告)号：EP2919312A1

    公开(公告)日：2015-09-16

    申请号：EP14751187.7

    申请日：2014-02-07

    申请人： LG Chem, Ltd.

    发明人： KWON, Sungjin ,  KIM, Dong-Myung ,  KIM, Ki Woong

    IPC分类号： H01M10/04 ,  H01M10/0583 ,  H01M2/02

    CPC分类号： H01M2/02 ,  H01M2/0202 ,  H01M2/0237 ,  H01M2/263 ,  H01M10/0445 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  H01M2002/0205 ,  Y02T10/7011

    摘要： Disclosed herein is a battery cell configured to have a structure in which two or more electrode assemblies, each including positive electrodes, negative electrodes, and separators disposed respectively between the positive electrodes and the negative electrodes, are mounted in a battery case, wherein the electrode assemblies are stacked such that electrode terminals of the electrode assemblies are aligned in a vertical direction, one side lower edge of an upper one of the electrode assemblies is disposed in contact with a top surface of a lower one of the electrode assemblies, and one side upper edge of the lower electrode assembly is disposed in contact with a bottom surface of the upper electrode assembly at an interface between the electrode assemblies, and the battery case has an internal shape corresponding to an external shape of the stacked electrode assemblies.

    摘要翻译： 这里公开了一种电池单元，其被配置为具有其中分别设置在正极和负极之间的分别包括正极，负极和隔板的两个或更多个电极组件安装在电池壳体中的结构，其中电极 电极组件的电极端子沿垂直方向排列，上部电极组件的一侧下边缘与下部电极组件的顶表面接触，一侧 下电极组件的上边缘设置成在电极组件之间的界面处与上电极组件的底表面接触，并且电池壳体具有对应于堆叠的电极组件的外部形状的内部形状。