公开(公告)号：US20210043907A1

公开(公告)日：2021-02-11

申请号：US16650673

申请日：2018-12-27

Applicant: LG Chem, Ltd.

Inventor： Jae Uk Ryu ,  Dal Mo Kang ,  Jeong Oh Moon ,  Jae Min Yoo ,  Min Ho Kwon

IPC: H01M2/20 ,  H01M2/10

Abstract: A battery pack includes a battery cell and a bus bar electrically connected to the battery cell, wherein the bus bar includes a rupture portion configured to melt due to electric resistance heat generated by overcurrent and thus to rupture, the rupture portion having a plurality of through-holes therein.

公开(公告)号：US10320036B2

公开(公告)日：2019-06-11

申请号：US15023271

申请日：2014-09-26

Applicant: LG CHEM, LTD.

Inventor： Jung Oh Moon ,  Dal Mo Kang ,  Jong Woon Choi ,  Jun Yeob Seong ,  Byung O Kong ,  Youngsop Eom

IPC: H01M10/42 ,  H01M10/48 ,  G01R31/364 ,  G01R31/3835 ,  H01M2/02 ,  H01M2/10 ,  H01M2/20 ,  H01M2/22 ,  H01M10/0525

Abstract: Disclosed herein is a voltage sensing assembly including sensing bus bars connected to series connection portions of battery cells for sensing the voltage of the battery cells, a printed circuit board (PCB), to the upper part of which the sensing bus bars are and to the lower part of which a connector is coupled, the connector mounted on the PCB, an insulative mounting member including a receiving part having a shape corresponding to the shape of the PCB such that the PCB is mounted in the receiving part, the receiving part being provided at one side thereof with openings, through which the sensing bus bars extend, and an insulation sheet attached to the front surface of the PCB.

公开(公告)号：US09634297B2

公开(公告)日：2017-04-25

申请号：US14566475

申请日：2014-12-10

Applicant: LG CHEM, LTD.

Inventor： Byung O Kong ,  Dal Mo Kang ,  Jun Yeob Seong ,  Youngsop Eom

IPC: H01M2/02 ,  H01M2/10 ,  H01M2/30 ,  H01M2/12

CPC classification number: H01M2/021 ,  H01M2/0212 ,  H01M2/0217 ,  H01M2/0275 ,  H01M2/0277 ,  H01M2/0285 ,  H01M2/0287 ,  H01M2/1061 ,  H01M2/1072 ,  H01M2/12 ,  H01M2/1205 ,  H01M2/30 ,  H01M2220/30

Abstract: Disclosed herein is a prismatic battery cell including a pouch-shaped battery cell having an electrode assembly mounted in a pouch-shaped battery case, a cell case, in which the pouch-shaped battery cell is mounted, the cell case having a polyhedral shape, and a terminal case including external input and output terminals, to which electrode terminals of the pouch-shaped battery cell are coupled, the terminal case being coupled to one end of the cell case, the terminal case having a polyhedral shape.

公开(公告)号：US20200350610A1

公开(公告)日：2020-11-05

申请号：US16617259

申请日：2018-10-17

Applicant: LG Chem, Ltd.

Inventor： Jae Min Yoo ,  Dal Mo Kang ,  Jeong Oh Moon ,  Jaeuk Ryu ,  Su Chang Kim ,  Ji Su Yoon

IPC: H01M10/04 ,  H01M2/10 ,  H01M2/06

Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.

公开(公告)号：US10236482B2

公开(公告)日：2019-03-19

申请号：US14273186

申请日：2014-05-08

Applicant: LG CHEM, LTD.

Inventor： Bum Hyun Lee ,  Jin Kyu Lee ,  Dal Mo Kang

IPC: H01M2/10 ,  H01M2/34 ,  H01M10/6556 ,  H01M10/613 ,  H01M10/656

Abstract: Disclosed is a battery pack including a battery module array constituted by one or more battery modules each including one or more unit modules each configured to have a structure in which a battery cell is surrounded by a cell cover are mounted in a module case in a state in which the unit modules are stacked while being vertically upright, a base plate on which the battery module array is loaded, a pair of end plates to support opposite sides of the array in a state in which a lower end of each of the end plates is fixed to the base plate, and an insulation member disposed between the array and each of the end plates, the insulation member being provided at a surface thereof facing the array with one or more ribs to absorb shock caused by external force and to define a coolant flow channel.

公开(公告)号：US09825324B2

公开(公告)日：2017-11-21

申请号：US14758725

申请日：2014-12-15

Applicant: LG CHEM, LTD.

Inventor： Seung Hun Jung ,  Dal Mo Kang

IPC: H01M10/02 ,  H01M2/30 ,  H01M2/26 ,  H01M10/04 ,  H01M10/0585

CPC classification number: H01M10/02 ,  H01M2/26 ,  H01M2/266 ,  H01M2/30 ,  H01M10/04 ,  H01M10/0463 ,  H01M10/0585

Abstract: An electrode assembly includes a unit cell A in which a first electrode 110, a second electrode 120, and a separator 130 disposed between the first and second electrodes 110 and 120 are stacked on each other or a structure in which the unit cells A are repeatedly stacked with the separator therebetween. A first electrode tab 111 protrudes from the first electrode 110, and a second electrode tab 121 protrudes from the second electrode 120, and the electrodes tabs 111 and 121 have widths that gradually decrease in directions in which the electrodes tabs 111 and 121 protrude outward from the electrodes 110 and 120, respectively.

公开(公告)号：US09774015B2

公开(公告)日：2017-09-26

申请号：US14913008

申请日：2014-08-27

Applicant: LG CHEM, LTD.

Inventor： Jung Oh Moon ,  Dal Mo Kang ,  Jong Woon Choi ,  Jun Yeob Seong ,  Byung O Kong ,  Youngsop Eom

IPC: H01M10/052 ,  H01M2/08 ,  H01M10/613 ,  H01M10/6551 ,  H01M10/6556 ,  H01M2/02 ,  H01M2/10 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6554

CPC classification number: H01M2/08 ,  H01M2/0245 ,  H01M2/0262 ,  H01M2/0267 ,  H01M2/0277 ,  H01M2/0287 ,  H01M2/1077 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M10/6556 ,  H01M2220/20

Abstract: Disclosed herein is a battery module including two or more battery cells, which can be charged and discharged, arranged in a stacked state and cartridges for fixing the battery cells to constitute a battery cell stack, wherein each of the cartridges includes a cooling fin contacting the battery cells and a cartridge frame for fixing the cooling fin, the cooling fin includes two cooling plates, the cooling plates being mounted to the cartridge frame in a state of being spaced apart from each other in order to define a coolant flow channel, the cartridge frame is provided with openings communicating with the coolant flow channel defined between the cooling plates, and one side or opposite sides of each of the battery cells are sealed by a sealing member on an interface between each of the battery cells and the coolant flow channel in order to prevent gases generated in the battery cells from being introduced into the coolant flow channel.

公开(公告)号：US09741984B2

公开(公告)日：2017-08-22

申请号：US14759859

申请日：2013-04-15

Applicant: LG CHEM, LTD.

Inventor： Bum Hyun Lee ,  Jun Yeob Seong ,  Dal Mo Kang

IPC: H01M2/10 ,  H01M2/20 ,  B60L11/18 ,  H01M2/02

CPC classification number: H01M2/1083 ,  B60L11/1861 ,  B60L11/1864 ,  B60L11/1879 ,  H01M2/0212 ,  H01M2/0275 ,  H01M2/1077 ,  H01M2/206 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/7061

Abstract: Disclosed herein is a battery module including a unit module stack configured to have a structure in which two or more unit modules, each of which includes two or more battery cells mounted at a cell cover in a state in which the battery cells are electrically connected to each other, and electrode terminal connection parts of which protrude outward from the cell cover in a state in which the electrode terminal connection parts are vertically bent, are stacked, a module case in which the unit modules of the unit module stack are arranged such that the unit modules are connected in series to each other, and electrode terminals of the unit modules are open, a bus bar assembly mounted at the electrode terminals of the unit modules in the module case, the bus bar assembly including one or more bus bars for connection in series between the unit modules, the bus bars being mounted in an exposed state such that welding is performed from outside, and an electrically insulative cover for covering the bus bar assembly.

公开(公告)号：US09660304B2

公开(公告)日：2017-05-23

申请号：US14448567

申请日：2014-07-31

Applicant: LG CHEM, LTD.

Inventor： Ji Young Choi ,  Suchan Park ,  Bum Hyun Lee ,  Dal Mo Kang ,  Yong Seok Choi

IPC: H01M10/50 ,  H01M10/613 ,  H01M2/10 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6566 ,  B60K6/00 ,  B60L11/18

CPC classification number: H01M10/647 ,  B60K6/00 ,  B60L11/1874 ,  B60L11/1879 ,  B60L2240/545 ,  H01M2/1077 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6551 ,  H01M10/6566 ,  Y02T10/7005 ,  Y02T10/705

Abstract: Disclosed herein is a battery pack including a plurality of battery modules, each having a battery cell or a unit module (unit cell) that can be charged and discharged, mounted in a pack case, wherein two or more unit cells constitute one battery module, two or more battery modules are arranged in a length direction of the battery pack to constitute one battery module group, two battery module groups are arranged in a width direction of the battery pack in a state in which the batter module groups are spaced apart from each other such that a coolant discharge part is defined between the battery module groups, a coolant inlet port is independently formed at a region of the pack case corresponding to each of the battery modules located at a position opposite to the coolant discharge part, and a coolant outlet port is formed at a front or a rear of the pack case in the length direction of the battery pack such that coolant introduced through the respective coolant inlet ports cools the unit cells of the respective battery modules while passing through the respective battery modules and is then discharged out of the pack case.

公开(公告)号：US09452686B2

公开(公告)日：2016-09-27

申请号：US13656297

申请日：2012-10-19

Applicant: LG CHEM, LTD.

Inventor： JaeHun Yang ,  Jong Moon Yoon ,  Dal Mo Kang

IPC: H01M6/50 ,  H01M10/50 ,  B60L11/18 ,  H01M10/61 ,  H01M10/60 ,  H01M10/617 ,  H01M10/647 ,  H01M10/6556 ,  H01M10/6551 ,  H01M10/6567 ,  H01M10/6555 ,  H01M10/613

CPC classification number: B60L11/1879 ,  B60L11/1874 ,  B60L2240/545 ,  H01M6/50 ,  H01M6/5038 ,  H01M10/60 ,  H01M10/61 ,  H01M10/613 ,  H01M10/617 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6555 ,  H01M10/6556 ,  H01M10/6567 ,  Y02T10/7005 ,  Y02T10/705

Abstract: Disclosed herein is a cooling member mounted between battery cells to remove heat generated from the battery cells during charge and discharge of the battery cells, wherein the cooling member includes a plate-shaped cooling fin configured to have a structure in which two battery cell contact portions disposed in tight contact with outer sides of the battery cells in a state in which the cooling fin is disposed between the respective battery cells are continuously formed in a horizontal direction (a lateral direction) and a coolant conduit configured to have a hollow structure in which a coolant flows, the coolant conduit thermally contacting the cooling fin, the coolant conduit being located at the outside of an electrode assembly receiving part of each of the battery cells when the cooling fin is disposed between the battery cells.

Abstract translation: 这里公开了一种安装在电池单体之间的冷却构件，用于在电池单体的充电和放电期间除去由电池单元产生的热量，其中，冷却构件包括板状冷却翅片，其被配置为具有两个电池单元接触部分 在冷却翅片设置在各个电池单元之间的状态下与电池单元的外侧紧密接触的水平方向（横向）和冷却剂导管连续地形成为具有中空结构的冷却剂导管，其中， 当冷却翅片设置在电池单元之间时，冷却剂流动，冷却剂管道热接触冷却翅片，冷却剂管道位于接收每个电池单元的一部分的电极组件的外部。