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    POUCH-TYPE SECONDARY BATTERY INCLUDING SEALED PART HAVING RECESS
    1.
    发明申请
    POUCH-TYPE SECONDARY BATTERY INCLUDING SEALED PART HAVING RECESS 有权

    公开(公告)号：US20170170437A1

    公开(公告)日：2017-06-15

    申请号：US15116865

    申请日：2015-02-10

    Applicant: LG CHEM, LTD.

    Inventor： Jin Soo LEE ,  Joo Hwan SUNG ,  Sung Pil YOON ,  Seong Min KIM ,  Jung Koo KANG ,  Ju Bin KIM ,  Hae Jin LIM ,  Seunghe WOO

    IPC: H01M2/02 ,  H01M10/0525 ,  H01M2/08

    CPC classification number: H01M2/0275 ,  H01M2/0212 ,  H01M2/0287 ,  H01M2/06 ,  H01M2/08 ,  H01M10/0525

    Abstract: Disclosed herein is a battery cell configured such that an electrode assembly having a positive electrode/separator/negative electrode structure is received in an electrode assembly receiving part formed in a pouch-type battery case in a sealed state together with an electrolyte, wherein the battery case is provided with sealed parts, formed by thermally welding the outer edge of the battery case in the state in which the electrode assembly is received in the battery case together with the electrolyte, one or more recesses are formed in opposite side sealed parts adjacent to an upper end sealed part, at which electrode terminals are located, and/or a lower end sealed part in a state in which the recesses are formed from outsides of the side sealed parts toward a vertical middle axis of the battery cell so as to prevent wrinkles from being formed in the sealed parts of the battery case when the battery cell is bent, and portions of the side sealed parts in which the recesses are located are sealed at a higher sealing temperature than the remaining portions of the side sealed parts.

    BATTERY CASE HAVING ANTI-WRINKLE PATTERN
    6.
    发明申请
    BATTERY CASE HAVING ANTI-WRINKLE PATTERN 审中-公开
    具有防皱纹图案的电池盒

    公开(公告)号：US20160079576A1

    公开(公告)日：2016-03-17

    申请号：US14935554

    申请日：2015-11-09

    Applicant: LG CHEM, LTD.

    Inventor： Hae Jin LIM ,  Jung Koo KANG ,  Seong Min KIM ,  Ju Bin KIM ,  Joo Hwan SUNG ,  Seunghe WOO ,  Sung Pil YOON ,  Jin Soo LEE

    IPC: H01M2/02 ,  H01M10/052

    CPC classification number: H01M2/0292 ,  H01M2/0217 ,  H01M2/0275 ,  H01M2/0287 ,  H01M2/1061 ,  H01M10/052

    Abstract: Disclosed herein is a battery case made of a laminate sheet including an outer coating layer made of a weather-resistant polymer, an inner sealant layer made of a thermally bondable polymer, and a barrier layer interposed between the outer coating layer and the inner sealant layer, wherein an electrode assembly configured to be bent or curved in conformity with the shape of a device, in which a battery cell is mounted, is received in the battery case, and a pattern is formed on at least one surface of the battery case that faces an outer surface of the electrode assembly.

    Abstract translation: 本发明公开了一种电池壳体，其由包括由耐候聚合物制成的外涂层，由可热粘合聚合物制成的内密封层以及介于外涂层和内密封层之间的阻挡层的层压片材制成 其特征在于，在所述电池壳体内容纳配置成与安装有电池单体的装置的形状一致的被弯曲或弯曲的电极组件，并且在所述电池壳体的至少一个面上形成图案， 面向电极组件的外表面。

    BATTERY HAVING ENHANCED ELECTRICAL INSULATION CAPABILITY
    7.
    发明申请
    BATTERY HAVING ENHANCED ELECTRICAL INSULATION CAPABILITY 审中-公开
    具有增强电绝缘能力的电池

    公开(公告)号：US20140220401A1

    公开(公告)日：2014-08-07

    申请号：US14251380

    申请日：2014-04-11

    Applicant: LG CHEM, LTD.

    Inventor： Jin Soo LEE ,  Kil Young LEE ,  Dong Myung KIM

    IPC: H01M10/04

    CPC classification number: H01M10/0431 ,  H01M2/34 ,  H01M4/13 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/4235 ,  H01M2220/30

    Abstract: Disclosed is a battery including a cathode in which cathode active-material coating layers provided on both surfaces of a cathode collector are longitudinally deviated from each other, and an anode having at least one anode active-material coating layer provided on an anode collector, the cathode and anode being wound to face each other with a separator interposed therebetween. At least one of a winding beginning portion and winding ending portion of the cathode is provided with a cathode uncoated part for installation of a cathode lead. An insulator tape is attached to the boundary of the cathode active-material coating layer at a position where the anode active-material coating layer faces a non-coating part of the cathode not containing the cathode active-material coating layer, achieving enhanced electrical insulation capability and consequential safety of the battery.

    Abstract translation: 公开了一种电池，其包括阴极，其中设置在阴极集电体的两个表面上的阴极活性材料涂层彼此纵向偏离，并且阳极具有设置在阳极集电体上的至少一个阳极活性材料涂层， 阴极和阳极被卷绕成彼此面对并具有隔膜。 阴极的卷绕开始部分和卷绕结束部分中的至少一个设置有用于安装阴极引线的阴极未涂覆部分。 在阳极活性材料被覆层面对不含阴极活性物质涂层的阴极的非涂敷部位的位置处，在阴极活性物质被覆层的边界附着有绝缘体带，实现电绝缘性提高 电池的能力和后果的安全性。

    CATHODE CUTTING DEVICE USING LASER
    8.
    发明申请
    CATHODE CUTTING DEVICE USING LASER 有权
    使用激光的阴极切割装置

    公开(公告)号：US20160263705A1

    公开(公告)日：2016-09-15

    申请号：US14429294

    申请日：2014-10-31

    Applicant: LG CHEM, LTD.

    Inventor： Tae Su KIM ,  SUNG Ki Eun ,  Sang Ik LEE ,  Jin Soo LEE ,  Jin Ho BAN ,  Dae Han SEO ,  Bu Gon SHIN ,  Ki Hong MIN ,  Young Min YUK ,  Chang Bum AHN

    IPC: B23K26/38 ,  B23K26/082 ,  B23K26/06 ,  B23K26/073 ,  B23K26/042 ,  B23K26/0622

    CPC classification number: B23K26/38 ,  B23K26/042 ,  B23K26/0622 ,  B23K26/0648 ,  B23K26/0665 ,  B23K26/073 ,  B23K26/082 ,  B23K26/0846 ,  B23K2101/16 ,  B23K2101/38

    Abstract: The present invention relates to a lithium secondary battery, and more specifically to a lithium secondary battery having a multi-directional lead-tab structure. The lithium secondary battery of the present invention includes: an electrode assembly which is formed by alternately laminating an electrode plate having a current collector, an active material, and a tab, and an isolation layer; a lead which is electrically connected to the tab; and a battery case, wherein the lead is divided into an anode lead and a cathode lead, and at least two or more anode leads and cathode leads are provided. The battery of the present invention uses the same lead-tab size as the prior art and is suitable for use with high current.

    Abstract translation: 锂二次电池技术领域本发明涉及锂二次电池，更具体地涉及具有多方向引线片结构的锂二次电池。 本发明的锂二次电池包括：通过交替层叠具有集电体，活性物质和突片的电极板和隔离层而形成的电极组件; 电连接到突片的引线; 以及电池壳体，其中所述引线被分成阳极引线和阴极引线，并且提供至少两个或更多个阳极引线和阴极引线。 本发明的电池使用与现有技术相同的引线片尺寸，并且适用于高电流。

    METHOD OF DERIVING APPROPRIATE CUTTING CONDITIONS FOR CUTTING POLARIZING PLATE
    9.
    发明申请
    METHOD OF DERIVING APPROPRIATE CUTTING CONDITIONS FOR CUTTING POLARIZING PLATE 审中-公开

    公开(公告)号：US20200341177A1

    公开(公告)日：2020-10-29

    申请号：US16958946

    申请日：2019-06-21

    Applicant: LG CHEM, LTD.

    Inventor： Moon Chan LEE ,  Jeong Ho PARK ,  Jin Soo LEE ,  Bu Gon SHIN

    IPC: G02B5/30

    Abstract: A method of deriving an appropriate condition for cutting a polarizing plate, the method including: (a) preparing a polarizing plate including an adhesive layer and having a cut surface; (b) providing the polarizing plate so that one end of the polarizing plate adjoins a guide unit; (c) moving the polarizing plate on the guide unit; (d) measuring frictional force applied between the polarizing plate and the guide unit while moving the polarizing plate; and (e) deriving the appropriate condition for cutting the polarizing plate based on the measured value of the frictional force and a predetermined adhesive agent leakage determination criterion based on the frictional force.

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