公开(公告)号：US20220294034A1

公开(公告)日：2022-09-15

申请号：US17633404

申请日：2020-10-30

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Jeong Wook KIM ,  Seog Jin YOON ,  Seung Jin NOH ,  Hyo Seong AN ,  Won Hoe LEE

IPC: H01M10/42 ,  H01M10/46 ,  H01M10/44 ,  H01M10/48 ,  H02J7/00

Abstract: A battery pack according to an embodiment of the present invention includes a (+) output terminal of the battery pack, a (−) output terminal of the battery pack, a (−) line connecting the (−) output terminal to a (−) terminal of a battery cell constituting the battery pack, a pre-charge FET provided on the (−) line, a system contact terminal configured to check whether the external system is connected, a battery management system (BMS), and a charge/discharge FET configured to charge or discharge the battery pack under a control of the BMS, wherein the pre-charge FET and the charge/discharge FET are connected in parallel.

公开(公告)号：US20230037677A1

公开(公告)日：2023-02-09

申请号：US17793532

申请日：2021-06-11

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Ho Chol NAM ,  Seog Jin YOON

IPC: H01M10/48

Abstract: The present invention relates to a battery cell surface temperature estimation system and method capable of minimizing a temperature measurement delay through a software algorithm method that estimates the actual cell surface temperature by reflecting the gradient of the measured temperature change of the battery cell

公开(公告)号：US20220399584A1

公开(公告)日：2022-12-15

申请号：US17777140

申请日：2020-12-30

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Jeong Wook KIM ,  Seog Jin YOON ,  Seung Jin NOH ,  Hyo Seong AN ,  Won Hoe LEE

IPC: H01M10/48 ,  H01M10/42 ,  H01M50/204 ,  H01M50/569

Abstract: A battery pack according to an embodiment includes a case in which a plurality of battery cells are accommodated, and a battery management system (BMS) for detecting damage to the case, wherein the BMS includes a voltage output terminal for outputting a predetermined voltage, a ground terminal, and a voltage measurement terminal for measuring voltage, wherein the case includes a conductive member having a first end connected to the voltage output terminal of the BMS and a second end connected to the ground terminal of the BMS, and a sensing wire having a first end connected to the conductive member and a second end connected to a voltage measurement terminal of the BMS, the conductive member being provided between one surface inside the case and the other surface opposite to the one surface.

公开(公告)号：US20240380045A1

公开(公告)日：2024-11-14

申请号：US18688314

申请日：2022-11-15

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Jae Jung SEOL ,  Seog Jin YOON

IPC: H01M50/24 ,  H01M50/211 ,  H01M50/271

Abstract: A battery pack includes a plurality of battery modules; a case cover covering the plurality of battery modules, and a case plate coupled to an edge of the case cover; and a gasket in a groove of the case plate located in correspondence to an edge of the case plate. The case plate comprises a first side surface plate covering both side surfaces of the plurality of battery modules, and a second side surface plate covering the front and rear surfaces of the plurality of battery modules. The gasket includes a rib.

公开(公告)号：US20230056920A1

公开(公告)日：2023-02-23

申请号：US17795689

申请日：2021-06-15

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Ho Chol NAM ,  Seog Jin YOON

IPC: G01K3/08 ,  G01K1/02 ,  H01M10/48 ,  H01M10/42

Abstract: The present invention relates to a temperature condition diagnosis system and method for diagnosing a temperature abnormal state of a battery cell or module according to a relative temperature change of the battery cell using a difference in cell or module surface temperature compared to a battery management system (BMS) temperature sensor.

公开(公告)号：US20230246262A1

公开(公告)日：2023-08-03

申请号：US18132350

申请日：2023-04-07

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Han Yong JEONG ,  Seog Jin YOON ,  Kun Joo YANG

IPC: H01M10/6551 ,  H01M10/613 ,  H01M10/615 ,  H01M10/643 ,  H01M50/209 ,  H01M50/581 ,  H01M50/557 ,  H01M50/264 ,  H01M50/204

CPC classification number: H01M10/6551 ,  H01M10/613 ,  H01M10/615 ,  H01M10/643 ,  H01M50/204 ,  H01M50/209 ,  H01M50/264 ,  H01M50/557 ,  H01M50/581

Abstract: The present disclosure relates to a battery module and a battery pack including the same, and more particularly, to a battery module and a battery pack having the same, the battery module being formed in a heat transfer structure so that the temperatures of a plurality of battery cells are efficiently adjusted, and formed such that a heat transfer member is formed to have through holes so that the stability of the battery cells increases.

公开(公告)号：US20240396141A1

公开(公告)日：2024-11-28

申请号：US18685486

申请日：2022-11-09

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Jae Jung SEOL ,  Seog Jin YOON ,  Kun Joo YANG

IPC: H01M50/24 ,  H01M50/211

Abstract: A battery pack includes a plurality of battery modules; and a pack case configured to house the plurality of battery modules, the pack case including a first plate covering one surface of the plurality of battery modules and a second plate covering the other surface of the plurality of battery modules. A first gasket is along an edge of the first plate, and a second gasket is along an edge of the second plate. The first gasket and the second gasket overlap each other in a region where one edge of each of the first plate and the second plate contact each other.

公开(公告)号：US20240363969A1

公开(公告)日：2024-10-31

申请号：US18566515

申请日：2022-06-03

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Seog Jin YOON

IPC: H01M50/503 ,  H01B5/02

CPC classification number: H01M50/503 ,  H01B5/02

Abstract: A busbar and a busbar manufacturing method in which at least one current groove in the body of the busbar is included or at least two current sticks are attached to one side of the base busbar to be spaced apart, such that an allowable current of busbar is increased by more than 1% and a generated heat amount is reduced by more than 2% at the same time.

公开(公告)号：US20240113355A1

公开(公告)日：2024-04-04

申请号：US18537091

申请日：2023-12-12

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Ji Myong AN ,  Seog Jin YOON

IPC: H01M10/643 ,  H01M10/0525 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/213 ,  H01M50/271

CPC classification number: H01M10/643 ,  H01M10/0525 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/213 ,  H01M50/271 ,  H01M2220/20

Abstract: Discussed is a battery pack, the temperature of which is maintained within a certain range by a heating component or a heat dissipating component attached thereto. The battery pack includes an upper end cover provided above cylindrical cells to protect an inside of the battery pack, a first metal panel positioned below the upper end cover and jointed to the upper portion of the cylindrical cells, a second metal panel jointed to a lower portion of the cylindrical cells, a holder configured to surround and fix an outer side surface of the entire cylindrical cells and the lower portion of the second metal panel, and a lower end cover positioned below the second metal panel and the holder to form a lower end portion of the battery pack.

公开(公告)号：US20230199945A1

公开(公告)日：2023-06-22

申请号：US17923424

申请日：2021-06-11

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Ga Young WOO ,  Seog Jin YOON

IPC: H05K1/02 ,  H05K3/00 ,  H05K3/38 ,  H05K13/04

CPC classification number: H05K1/028 ,  H05K1/0266 ,  H05K3/0014 ,  H05K3/0047 ,  H05K3/0023 ,  H05K3/381 ,  H05K3/384 ,  H05K13/04 ,  H05K2203/0278 ,  H05K2203/0264 ,  H05K2201/05 ,  H05K2201/09936

Abstract: The present disclosure relates to a flexible printed circuit board (FPCB) and a method for manufacturing a flexible printed circuit board, which is capable of minimizing a process tolerance generated when an outer shape of a board is processed by forming a reference mark in the FPCB and performing an outer shape processing by using the reference mark as a reference point among a series of processes for manufacturing the board.