公开(公告)号：US20180269694A1

公开(公告)日：2018-09-20

申请号：US15764463

申请日：2017-03-21

Applicant: LG CHEM, LTD.

Inventor： Ho Chol NAM ,  Seog Jin YOON ,  Dong Hyun KIM ,  Hak In KIM

IPC: H02J7/00 ,  H01M10/44 ,  G01R31/36

Abstract: The present disclosure relates to a method and system for stabilizing a battery through cell balancing of a battery pack, and more particularly, to a method and system for performing battery cell balancing and determining a control situation through a feedback for the cell balancing, thereby improving reliability for the battery cell balancing and enabling a proactive measure for a battery abnormality

公开(公告)号：US20170179542A1

公开(公告)日：2017-06-22

申请号：US15307339

申请日：2016-07-05

Applicant: LG CHEM, LTD.

Inventor： Yong Jun CHO ,  Hyoung Chul YOON ,  Seog Jin YOON

IPC: H01M10/42 ,  H01M2/30 ,  H01M10/48

CPC classification number: H01M10/425 ,  H01M2/022 ,  H01M2/105 ,  H01M2/1077 ,  H01M2/30 ,  H01M10/482 ,  H01M2010/4271

Abstract: A battery module including wire-fixing ribs is disclosed. The battery module includes a battery cell stack constituted by a plurality of battery cells, the battery cell stack being configured such that the battery cells are stacked in the state in which the battery cells are adjacent to each other laterally, the battery cell stack being provided in one end thereof with a step part, a first module cover and a second module cover coupled to each other while covering electrode terminals provided on opposite sides of the battery cell stack, terminal plates for electrically connecting electrode terminals of the battery cells to each other, a battery management system (BMS) mounted in the step part of the battery cell stack for controlling the operation of the battery module, and voltage sensing wires arranged on the battery cell stack, each of the voltage sensing wires having one end connected to a corresponding one of voltage sensing terminals formed on portions of the terminal plates and the other end connected to the BMS.

公开(公告)号：US20200067154A1

公开(公告)日：2020-02-27

申请号：US16466526

申请日：2018-02-08

Applicant: LG CHEM, LTD.

Inventor： Jae Sang KIM ,  Kun Joo YANG ,  Seog Jin YOON

IPC: H01M10/6551 ,  H01M10/6554 ,  H01M10/44 ,  H01M10/643 ,  H01M10/653 ,  G01R31/382 ,  G01R31/396

Abstract: A heat-radiating structure of a cylindrical battery cell includes a first plate configured to contact an upper partial area of a battery cell and to which a current of the battery cell is discharged, the first plate having an area not contacting the battery cell, a second plate disposed between the first plate and the battery cell, the second plate not contacting the battery cell, and a heat transfer part disposed between the second plate and the battery cell and configured to transfer heat generated in the battery cell to the second plate while contacting the battery cell is provided. The second plate contacts the area of the first plate not contacting the battery cell and a portion of the current discharged from the battery cell to the first plate is discharged from the second plate. A heat-radiating system of a cylindrical battery is also provided.

公开(公告)号：US20190052099A1

公开(公告)日：2019-02-14

申请号：US16076461

申请日：2017-10-17

Applicant: LG CHEM, LTD.

Inventor： Sung Ju HONG ,  Ho Chol NAM ,  Hak In KIM ,  Seog Jin YOON

IPC: H02J7/00 ,  H02J7/04

Abstract: The present invention relates to an apparatus and method for providing a charging voltage, and more particularly, to an apparatus and method for providing a charging voltage, which rapidly provide a stable charging voltage to a corresponding cell through a cell balancing voltage source that is one of two separate charging voltage sources, when cell balancing is necessary.

公开(公告)号：US20160204396A1

公开(公告)日：2016-07-14

申请号：US14913164

申请日：2014-07-15

Applicant: LG CHEM, LTD.

Inventor： Tae Wook KIM ,  Seog Jin YOON ,  Hyung Ku YUN

IPC: H01M2/04 ,  H01M10/052 ,  H01M2/30 ,  H01M2/02 ,  H01M2/06

CPC classification number: H01M2/0473 ,  H01M2/0217 ,  H01M2/0237 ,  H01M2/024 ,  H01M2/0285 ,  H01M2/0404 ,  H01M2/043 ,  H01M2/06 ,  H01M2/30 ,  H01M2/305 ,  H01M10/052 ,  H01M2220/10 ,  H01M2220/20 ,  H01M2220/30

Abstract: Disclosed herein is a prismatic battery cell wherein a cap plate is mounted at an open top of a prismatic cell case in a state in which an electrode assembly configured to have a structure in which a separator is disposed between a cathode and an anode is mounted in the prismatic cell case, the cap plate is provided with an anode terminal or a cathode terminal as a protruding terminal, and the prismatic cell case is configured to have a structure in which two or more case members divided in a major axis direction, in a minor axis direction, or in the major axis direction and the minor axis direction based on a horizontal sectional shape of the cap plate with respect to the protruding terminal are coupled to each other.

Abstract translation: 本文公开了一种棱柱形电池单元，其中，盖板安装在棱柱形电池壳体的开口顶部处，其中将电极组件构造为具有将隔板设置在阴极和阳极之间的结构安装在 在棱柱形电池壳体中，盖板设置有阳极端子或阴极端子作为突出端子，并且棱柱形电池壳体被构造成具有两个或更多个壳体构件沿长轴方向分隔的结构， 基于帽板相对于突出端子的水平截面形状，短轴方向或长轴方向和短轴方向彼此耦合。

公开(公告)号：US20190006725A1

公开(公告)日：2019-01-03

申请号：US15737820

申请日：2017-01-06

Applicant: LG CHEM, LTD.

Inventor： Ho Chol NAM ,  Hyoung Chul YOON ,  Dong Hyun KIM ,  Seog Jin YOON

IPC: H01M10/647 ,  H01M10/613 ,  H01M10/6554 ,  H01M10/6551 ,  H01M2/02

Abstract: A battery pack including: a battery cell assembly in which a plurality of chargeable and dischargeable battery cells are stacked; and a pair of cooling members configured to eliminate heat generated during charging and discharging of the battery cells, wherein the cooling members may include first and second cooling members positioned on first and second surfaces of the battery cell assembly perpendicular to a direction in which the battery cells are stacked, and an inner surface of each of the first cooling member and the second cooling member may be formed with a thermal contact portion with a shape of being in close contact with an outer surface of each of the first and second surfaces of the battery cell assembly for thermal conduction, is provided.

公开(公告)号：US20140147707A1

公开(公告)日：2014-05-29

申请号：US14167576

申请日：2014-01-29

Applicant: LG CHEM, LTD

Inventor： Jong Woon CHOI ,  Seog Jin YOON ,  Migeum CHOI

IPC: H02H7/18 ,  H01M10/04 ,  H01M10/42

CPC classification number: H02H7/18 ,  H01M2/0212 ,  H01M2/0267 ,  H01M2/0404 ,  H01M2/08 ,  H01M2/1061 ,  H01M2/20 ,  H01M2/22 ,  H01M10/04 ,  H01M10/0436 ,  H01M10/425 ,  Y10T29/4911

Abstract: A battery pack including a battery cell having an anode and cathode terminal at one face having a sealed surplus portion and a protection circuit module (PCM) connected to the cell via the anode and cathode terminal, the PCM including a board having a protection circuit thereon, the board being provided with an anode and cathode terminal connection part connected to the anode and cathode terminal, respectively, and a PCM case configured to receive the board through an open face thereof so that the PCM case surrounds the board. The board is coupled to the anode and cathode terminal of the cell via the anode and cathode terminal connection part, the board is disposed in the PCM case in a state in which the board is parallel to the cell, and the PCM case, in which the board is disposed, is mounted to the sealed surplus portion of the cell.

Abstract translation: 一种电池组，包括具有密封剩余部分的一面具有阳极和阴极端子的电池单元和经由所述阳极和阴极端子连接到所述电池的保护电路模块（PCM），所述PCM包括其上具有保护电路的板 分别设置有连接到阳极和阴极端子的阳极和阴极端子连接部分以及配置成通过其开放面接收电路板的PCM壳体，使得PCM壳体围绕电路板。 电路板通过阳极和阴极端子连接部分连接到电池的阳极和阴极端子，电路板以与电池平行的状态和PCM外壳设置在PCM外壳中，其中PCM外壳 板被布置，安装到电池的密封剩余部分。

公开(公告)号：US20140023885A1

公开(公告)日：2014-01-23

申请号：US14032494

申请日：2013-09-20

Applicant: LG CHEM, LTD.

Inventor： Jong Woon CHOI ,  Seog Jin YOON ,  Youngjoo CHA

IPC: H01M2/34

CPC classification number: H01M2/34 ,  H01M2/021 ,  H01M2/0212 ,  H01M2/1022 ,  H01M2/1066 ,  H01M10/425 ,  H01M2200/00 ,  Y10T29/4911

Abstract: Disclosed is a secondary battery pack including a battery cell having an anode and a cathode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the battery cell via the anode and the cathode terminal, wherein the PCM includes a board having a protection circuit formed thereon, the board being provided with an anode terminal connection part and a cathode terminal connection part connected to the anode terminal and the cathode terminal, respectively, the board is coupled to the anode terminal and the cathode terminal of the battery cell via the anode terminal connection part and the cathode terminal connection part and is mounted to the sealed surplus portion of the battery cell, and the secondary battery pack further includes a frame mounted to the PCM and the battery cell so as to surround the PCM and the battery cell.

Abstract translation: 公开了一种二次电池组，其包括具有形成在具有密封剩余部分的一个面上的阳极和阴极端子的电池单元和经由阳极和阴极端子电连接到电池单元的保护电路模块（PCM），其中 PCM包括具有形成在其上的保护电路的板，该板分别设置有阳极端子连接部分和连接到阳极端子和阴极端子的阴极端子连接部分，该板耦合到阳极端子和阴极 电池单元的端子经由阳极端子连接部和阴极端子连接部，并且安装到电池单元的密封剩余部分，并且二次电池组还包括安装到PCM和电池单元的框架，以便 围绕PCM和电池单元。

公开(公告)号：US20200035959A1

公开(公告)日：2020-01-30

申请号：US16340004

申请日：2017-12-20

Applicant: LG CHEM, LTD.

Inventor： Kun Joo YANG ,  Yong Jun CHO ,  Seog Jin YOON

IPC: H01M2/02 ,  H01M2/10 ,  H01M2/20 ,  H01M2/26

Abstract: The present disclosure provides a battery pack including a plurality of cylindrical battery cells forming a clamping part by coupling a cap assembly on one opened surface of a cylindrical can and forming a first electrode terminal and a second electrode terminal on a top surface of the clamping part and a top end central portion of the cap assembly, respectively, and a first electrode terminal connecting plate simultaneously coupled to upper end surfaces of the clamping parts of the battery cells in a state in which cylindrical battery cells are laterally arranged so that the cap assemblies of the cylindrical battery cells head in the same direction. The first electrode terminal connecting plate includes a welding plate having a relatively thin thickness to be welded on the upper end surface of the clamping part of the cap assembly, and a conductive plate coupled to a top surface of the welding plate, which is opposite to the cap assembly, and having a relatively thick thickness in comparison with that of the welding plate for smooth current flow between first electrode terminals of the upper end surface of the clamping part.

公开(公告)号：US20160276635A1

公开(公告)日：2016-09-22

申请号：US15024505

申请日：2014-08-12

Applicant: LG CHEM, LTD.

Inventor： Jaehyeon JU ,  Seog Jin YOON

IPC: H01M2/10 ,  H01M2/30 ,  H01M2/26 ,  H01M2/02

CPC classification number: H01M2/1022 ,  H01M2/0287 ,  H01M2/0456 ,  H01M2/26 ,  H01M2/30 ,  H01M10/0525 ,  H01M2002/0205 ,  H01M2220/30

Abstract: Disclosed herein is a battery pack including a battery cell having a curved surface and a pack housing having a curved surface, the pack housing having a battery cell receiving space corresponding to the curved surface of the battery cell to prevent occurrence of a spring back phenomenon of the battery cell and to prevent change in curvature of the battery cell due to external impact.

Abstract translation: 这里公开了一种电池组，其包括具有弯曲表面的电池单元和具有弯曲表面的电池壳体，电池壳体具有与电池单元的曲面对应的电池单元容纳空间，以防止发生回弹现象 电池单元并且防止由于外部冲击而导致的电池单元的曲率变化。