公开(公告)号：US20140106212A1

公开(公告)日：2014-04-17

申请号：US14071058

申请日：2013-11-04

Applicant: LG CHEM, LTD.

Inventor： Seungeun CHOI ,  Eunyoung GOH ,  Hyang Mok LEE ,  Heegyoung KANG ,  Sangbaek RYU ,  Kiwoong KIM

IPC: H01M4/36

CPC classification number: H01M4/364 ,  H01M2/0287 ,  H01M2/1633 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1673 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/622 ,  H01M4/623 ,  H01M10/052 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Disclosed is a cathode material comprising a mixture of an oxide powder (a) defined herein and an oxide powder (b) selected from the group consisting of an oxide powder (b1) defined herein and an oxide powder (b2) defined herein and a combination thereof wherein a mix ratio of the two oxide powders (oxide powder (a): oxide powder (b)) is 50:50 to 90:10. The cathode material uses a combination of an oxide powder (a) and 50% or less of an oxide powder (b) which can exert high capacity, high cycle stability, superior storage stability and high-temperature stability, thus advantageously exhibiting high energy density and realizing high capacity batteries.

Abstract translation: 公开了一种阴极材料，其包含本文定义的氧化物粉末（a）和选自本文定义的氧化物粉末（b1）和本文定义的氧化物粉末（b2）的氧化物粉末（b）的混合物和组合 其中两种氧化物粉末（氧化物粉末（a）：氧化物粉末（b））的混合比为50:50至90:10。 阴极材料使用氧化物粉末（a）和50％以下的能够发挥高容量，高循环稳定性，优异的储存稳定性和高温稳定性的氧化物粉末（b）的组合，因此有利地表现出高能量密度 并实现高容量电池。

公开(公告)号：US20180131031A1

公开(公告)日：2018-05-10

申请号：US15861233

申请日：2018-01-03

Applicant: LG CHEM, LTD.

Inventor： Dae Geun KU ,  Hyuk Su KIM ,  Jun Woo HUH ,  Hyang Mok LEE ,  Chang Bum AHN

IPC: H01M10/04 ,  H01M10/28 ,  H01M10/052 ,  H01M10/0585

Abstract: An electrode assembly according to the present disclosure includes an electrode stack part formed by stacking at least one radical unit having a four-layered structure of a first electrode, a separator, a second electrode and a separator, and an electrode fixing part for wrapping and fixing the electrode stack part. The electrode assembly according to the present disclosure may be fabricated by means of a stacking process other than a folding process, and may accomplish accurate alignment and stable fixing.

公开(公告)号：US20150147633A1

公开(公告)日：2015-05-28

申请号：US14274959

申请日：2014-05-12

Applicant: LG CHEM, LTD.

Inventor： Chang Bum AHN ,  Hyuk Su KIM ,  Jun Woo HUH ,  Hyang Mok LEE

IPC: H01M2/02

CPC classification number: H01M2/021 ,  H01M2/0212 ,  H01M2/0237 ,  H01M2/0262 ,  H01M2/0277 ,  H01M2/0287 ,  H01M10/0413 ,  H01M2220/20

Abstract: Provided are a pouch for a secondary battery including a first sheet and a second sheet, and a frame unit which is sealed by the first sheet and the second sheet and includes an accommodating part for accommodating an electrode assembly including electrode tabs therein, and a secondary battery including the pouch. According to the present invention, since a structure of a pouch for a secondary battery may include a frame unit capable of accommodating a large electrode assembly, a high-capacity and large-area secondary battery having high capacity and high stiffness may be realized.

Abstract translation: 提供一种用于二次电池的袋，其包括第一片和第二片，以及由第一片和第二片密封的框架单元，并且包括用于容纳包括电极片的电极组件的容纳部分，以及二次 包括袋的电池。 根据本发明，由于用于二次电池的袋的结构可以包括能够容纳大电极组件的框架单元，因此可以实现高容量和高刚性的高容量和大面积的二次电池。

公开(公告)号：US20150147629A1

公开(公告)日：2015-05-28

申请号：US14264401

申请日：2014-04-29

Applicant: LG CHEM, LTD.

Inventor： Hyuk Su KIM ,  Dae Geun KU ,  Jun Woo HUH ,  Hyang Mok LEE ,  Chang Bum AHN

IPC: H01M2/26 ,  H01M2/16

CPC classification number: H01M2/1673 ,  H01G11/28 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M10/4235 ,  H01M2200/00 ,  Y02E60/13 ,  Y02T10/7022

Abstract: Disclosed is a technology for preventing electrodes in a secondary battery from being short-circuited with each other. An electrode assembly includes a cathode and anode of which a cathode collector and anode collector are coated with a cathode active material and anode active material, respectively, and a separator disposed between the cathode and the anode. An insulation layer is disposed on a tab part of the cathode collector constituting the cathode. Thus, an insulation layer may be disposed on an end (a tab part) of the cathode collector that is used as a tab of the cathode electrode in the structure of the electrode assembly to prevent the cathode from being physically short-circuited with the anode in the sequentially stacked structure of cathode/separator/anode.

Abstract translation: 公开了防止二次电池中的电极彼此短路的技术。 电极组件包括阴极和阳极，阴极集电体和阳极集电体分别涂覆有阴极活性材料和负极活性材料，以及设置在阴极和阳极之间的隔膜。 绝缘层设置在构成阴极的阴极集电体的突片部分上。 因此，绝缘层可以设置在阴极集电器的端部（突片部分）上，该阴极集电器用作电极组件结构中的阴极电极的突片，以防止阴极与阳极物理短路 在阴极/分离器/阳极的顺序层叠结构中。

公开(公告)号：US20150093630A1

公开(公告)日：2015-04-02

申请号：US14332654

申请日：2014-07-16

Applicant: LG CHEM, LTD.

Inventor： Hyung Seok HAN ,  Sang Bong NAM ,  Hyang Mok LEE ,  Wook Hee JANG ,  Sang Sok JUNG

IPC: H01M2/02 ,  B29C71/02 ,  B29C65/16 ,  B29C47/00

CPC classification number: H01M2/0217 ,  B29C48/001 ,  B29C48/0018 ,  B29C48/0022 ,  B29C48/07 ,  B29C48/09 ,  B29C55/30 ,  B29C65/1648 ,  B29C65/58 ,  B29C66/1222 ,  B29C66/1224 ,  B29C66/534 ,  B29C66/8322 ,  B29C71/02 ,  B29C2071/022 ,  B29C2791/001 ,  B29C2793/0027 ,  B29D99/006 ,  B29L2031/3468 ,  B29L2031/3481 ,  B29L2031/7146 ,  H01M2/0285 ,  H01M2/0473 ,  H01M2/0486

Abstract: Provided are extruding a raw material into a prismatic hollow material having both open ends (Step (a)), drawing the hollow material a plurality of times so as to have a desired thickness (Step (b)), manufacturing a main body by cutting the drawn hollow material to a predetermined length (Step (c)), forming a sealing cover having a shape corresponding to an open end of the main body (Step (d)), and adhering the sealing cover to the open end of the main body (Step (e)).

Abstract translation: 将原料挤压成具有两个开口端的棱柱形中空材料（步骤（a）），将中空材料多次拉伸以具有所需厚度（步骤（b）），通过切割制造主体 拉出的中空材料到预定长度（步骤（c）），形成具有与主体的开口端相对应的形状的密封盖（步骤（d）），并将密封盖粘附到主体的开口端 身体（步骤（e））。

公开(公告)号：US20140377641A1

公开(公告)日：2014-12-25

申请号：US14477523

申请日：2014-09-04

Applicant: LG CHEM, LTD.

Inventor： Jeoung Hwan KIM ,  Shin Hwa LEE ,  Woo Yong LEE ,  Min Su KIM ,  Hyang Mok LEE

IPC: H01M2/08

CPC classification number: H01M2/08 ,  H01M2/0217 ,  H01M2/0287 ,  H01M2/0292 ,  H01M10/0436 ,  Y10T29/4911

Abstract: A pouch type secondary battery and a method of manufacturing the same are disclosed. The pouch type secondary battery includes a pouch type case formed by attaching an upper sheet and a lower sheet, and an electrode assembly received in the pouch type case. A polymer coating layer for improving sealability is further included at an outer side portion of the pouch type case, in which the upper sheet and the lower sheet are attached.

Abstract translation: 公开了袋式二次电池及其制造方法。 袋型二次电池包括通过附接上片和下片形成的袋状盒以及容纳在袋型盒中的电极组件。 用于提高密封性的聚合物涂层还包括在其中安装上片和下片的袋型盒的外侧部分。

公开(公告)号：US20140272548A1

公开(公告)日：2014-09-18

申请号：US14293540

申请日：2014-06-02

Applicant: LG CHEM, LTD.

Inventor： Sang Jin WOO ,  Hang Seob YOON ,  Tae Won KANG ,  Jeoung Soo KIM ,  Sin Young PARK ,  Sang Bong NAM ,  Hyang Mok LEE

IPC: H01M2/02 ,  H01M2/06

CPC classification number: H01M2/022 ,  H01M2/0404 ,  H01M2/0408 ,  H01M2/0473 ,  H01M2/06 ,  H01M10/0431 ,  H01M10/0436 ,  H01M10/052 ,  H01M10/0587

Abstract: The present invention relates to a secondary battery structure. The secondary battery structure includes: a can an electrode assembly accommodated in the can, the electrode assembly including a cathode tab and an anode tab; a cap plate sealing an opened upper end of the can; and an upper insulator disposed between the can and the cap plate, the upper insulator having a cathode tab hole for the cathode tab, an anode tab hole for the anode tab, and an injection/impregnation hole for injecting and impregnating, wherein each of the cathode tab hole, the anode tab hole, and the injection/impregnation hole extends in a length or width direction of the upper insulator and is symmetrical with respect to at least one of a line (a) that equally divides the upper insulator in a width direction and a line (b) that equally divides the upper insulator in a length direction.

Abstract translation: 本发明涉及二次电池结构。 二次电池结构包括：容纳在罐中的电极组件，电极组件包括阴极片和阳极片; 封盖罐的敞开的上端的盖板; 以及设置在罐和盖板之间的上绝缘体，上绝缘体具有用于阴极接线片的阴极接头孔，用于阳极接头的阳极接头孔，以及用于注入和浸渍的注入/浸渍孔， 阴极接头孔，阳极接头孔和注入/浸渍孔在上绝缘体的长度或宽度方向上延伸，并且相对于将上绝缘体等分成宽度的线（a）中的至少一个对称， 方向和在长度方向等分上绝缘体的线（b）。

公开(公告)号：US20140093762A1

公开(公告)日：2014-04-03

申请号：US14098133

申请日：2013-12-05

Applicant: LG CHEM, LTD.

Inventor： Eun-Young GOH ,  Byungjin CHOI ,  Hyang Mok LEE ,  Hyun-Chul JUNG

IPC: H01M10/04

CPC classification number: H01M10/04 ,  H01M2/0275 ,  H01M2/0287 ,  H01M10/0436 ,  H01M10/0459 ,  H01M10/049 ,  H01M2002/0205 ,  H01M2004/025 ,  H01M2220/30 ,  H01M2250/30 ,  Y02B90/18 ,  Y02E60/12 ,  Y10T29/49108 ,  Y10T29/4911

Abstract: Disclosed herein is a battery cell configured such that an electrode assembly of a cathode/separator/anode stack structure is mounted in a changeable cell case in a state in which the electrode assembly is impregnated with an electrolyte, wherein the electrode assembly and the cell case are curved in the same direction on axial vertical sections thereof in a state in which opposite ends of the electrode assembly and opposite ends of the cell case are directed in the same direction about a middle part of the electrode assembly and a middle part of the cell case. When the battery cell is mounted in an electronic device the external shape of which is curved or in an electronic device configured such that a battery mounting region thereof is curved, the tight contact between the battery cell and the electronic device is achieved, thereby maximizing space utilization and thus providing high efficiency. Also, electronic devices having aesthetically pleasing appearance and various designs satisfying liking of consumers are developed using the battery cell.

公开(公告)号：US20130260200A1

公开(公告)日：2013-10-03

申请号：US13905389

申请日：2013-05-30

Applicant: LG CHEM, LTD.

Inventor： Youngkwang YUN ,  Sangbaek RYU ,  Jinsoo LEE ,  SooRyoung KIM ,  Byungjin CHOI ,  Hyang Mok LEE

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M2/0275 ,  H01M2/0287 ,  H01M2/166 ,  H01M2/1673 ,  H01M10/0409 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0587 ,  H01M10/4235 ,  Y02E60/12 ,  Y10T29/49108 ,  Y10T29/49115

Abstract: Provided is a method for fabrication of a jelly-roll type electrode assembly having a cathode/separation membrane/anode laminate structure, including: (a) coating both sides of a porous substrate with organic/inorganic composite layers, each of which includes inorganic particles and an organic polymer as a binder, so as to fabricate a composite membrane; and (b) inserting one end of a sheet laminate comprising a cathode sheet and an anode sheet as well as the composite membrane into a mandrel, winding the sheet laminate around the mandrel, and then, removing the mandrel, wherein the organic/inorganic composite layer includes microfine pores capable of moderating a variation in volume during charge/discharge of a secondary battery and an interfacial friction coefficient between the composite membrane and the mandrel is not more than 0.28.

Abstract translation: 提供一种具有阴极/分离膜/阳极层压结构的胶卷式电极组件的制造方法，其包括：（a）用有机/无机复合层涂覆多孔基材的两面，每层包括无机颗粒 和作为粘合剂的有机聚合物，以制造复合膜; 和（b）将包括阴极片和阳极片的片状叠层的一端以及复合膜插入心轴中，将片状层压体缠绕在心轴上，然后移除心轴，其中有机/无机复合物 层包括能够调节二次电池的充放电期间体积变化的微细孔，并且复合膜和心轴之间的界面摩擦系数不大于0.28。