公开(公告)号：US20230378597A1

公开(公告)日：2023-11-23

申请号：US18031550

申请日：2022-03-18

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Sunghwan JANG ,  Junyeob SEONG ,  Won Kyoung PARK ,  Hyemi JUNG ,  Subin PARK ,  Kwangmo KIM

IPC: H01M50/358 ,  H01M50/211 ,  H01M50/308 ,  B01D46/62 ,  B01D46/10

CPC classification number: H01M50/358 ,  H01M50/211 ,  H01M50/308 ,  B01D46/62 ,  B01D46/10 ,  B01D2279/35

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and a first end plate and a second end plate each covering a front surface and a rear surface of the battery cell stack, wherein a venting hole is formed in at least one of the module frame, the first end plate or the second end plate. A venting unit for guiding a discharge path of gas or flame discharged from the venting hole is located on one surface of the module frame, and the venting unit is mounted so as to cover the venting hole.

公开(公告)号：US20230352787A1

公开(公告)日：2023-11-02

申请号：US17796607

申请日：2021-11-04

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Subin PARK ,  Junyeob SEONG ,  Won Kyoung PARK ,  Honggoo HAN

IPC: H01M50/242 ,  H01M50/211 ,  H01M10/653

CPC classification number: H01M50/242 ,  H01M50/211 ,  H01M10/653

Abstract: A battery module includes a battery cell stack containing a plurality of battery cells stacked along a first direction; and an exterior member that wraps the outer surface of the battery cell stack, in which a central portion of the lower surface of the battery cell stack is opened, wherein one end part of the exterior member is attached to one side part of the lower surface of the battery cell stack, and wherein the other end part of the exterior member is attached to the other side part of the lower surface of the battery cell stack.

公开(公告)号：US20230299416A1

公开(公告)日：2023-09-21

申请号：US18017064

申请日：2021-11-10

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Junghoon LEE ,  Kwangmo KIM ,  Junyeob SEONG ,  Hyemi JUNG

IPC: H01M50/383 ,  H01M50/211 ,  H01M50/289

CPC classification number: H01M50/383 ,  H01M50/211 ,  H01M50/289

Abstract: A battery module including a battery cell stack formed by stacking a plurality of battery cells, and a barrier layer interposed between adjacent battery cells of the plurality of battery cells. The barrier layer includes a body part parallel to the battery cell, and an extension part that is bent at one end of the body part and covers the upper end part of the battery cell.

公开(公告)号：US20230282927A1

公开(公告)日：2023-09-07

申请号：US18019038

申请日：2022-05-25

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Juhwan SHIN ,  Junyeob SEONG ,  Hyoungsuk LEE ,  YOUNG IL YOON

IPC: H01M50/358 ,  H01M50/211 ,  H01M50/271 ,  H01M50/262 ,  H01M50/342

CPC classification number: H01M50/358 ,  H01M50/211 ,  H01M50/271 ,  H01M50/262 ,  H01M50/3425

Abstract: A battery pack includes a lower pack frame on which a plurality of battery cell arrays are mounted; at least one cover part located in an upper part of the plurality of battery cell arrays; and a venting part that is mounted on the cover part and extends along the longitudinal direction of the lower pack frame, wherein the cover part covers the upper part of the pair of battery cell arrays arranged so as to face each other with respect to the width direction of the lower pack frame. A first venting hole is formed on the cover part, and the venting part covers the first venting hole.

公开(公告)号：US20230187725A1

公开(公告)日：2023-06-15

申请号：US17926062

申请日：2021-02-24

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Subin PARK ,  Junyeob SEONG ,  Won Kyoung PARK

IPC: H01M10/653 ,  H01M10/6551 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204

CPC classification number: H01M10/653 ,  H01M10/6551 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204

Abstract: The battery pack according to one embodiment of the present disclosure includes: a lower pack housing including a plurality of module regions; a thermally conductive resin layer located in the module region; a battery module mounted on the module region and located on the thermally conductive resin layer; and an upper pack housing for covering the battery module, wherein the battery module comprises a battery cell stack in which a plurality of battery cells are stacked, and the battery cell stack directly contacts the thermally conductive resin layer, wherein the battery cell stack includes cooling fins located between battery cells adjacent to each other among the plurality of battery cells, and wherein the end portion of the cooling fin comes into contact with the thermally conductive resin layer.

公开(公告)号：US20230037763A1

公开(公告)日：2023-02-09

申请号：US17790424

申请日：2021-01-26

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Jonghwa CHOI ,  Junyeob SEONG ,  Myungki PARK

IPC: H01M50/505 ,  H01M10/613 ,  H01M10/647 ,  H01M50/211

Abstract: A battery module includes: a battery cell stacked member in which a plurality of battery cells are stacked; a bus bar frame respectively connected to the front and rear surfaces of the battery cell stacked member; and a frame member accommodating the battery cell stacked member to which the bus bar frame is mounted, wherein one side of the bottom part of the frame member includes at least two step regions, at least two step regions are spaced apart in the same direction as the direction in which the battery cells are stacked, and the bus bar frame includes a support positioned to correspond to the step region.

公开(公告)号：US20230013878A1

公开(公告)日：2023-01-19

申请号：US17783384

申请日：2021-07-30

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Subin PARK ,  Junyeob SEONG ,  Myungki PARK

IPC: H01M50/242 ,  H01M50/244 ,  H01M50/273 ,  H01M50/505

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked, a module frame for housing the battery cell stack, and an end plate for covering the front and rear surfaces of the battery cell stack and coupled to the module frame, wherein the end plate is formed of an insulating material.

公开(公告)号：US20230012792A1

公开(公告)日：2023-01-19

申请号：US17783389

申请日：2021-10-07

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Sunghwan JANG ,  Junyeob SEONG ,  Myungki PARK ,  Jehwan SIN

IPC: H01M50/24 ,  H01M50/204 ,  H01M50/247 ,  H01M50/505 ,  H01M50/289

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked, a bus bar frame coupled to each of the front and rear ends of the battery cell stack, a frame member that houses a cell block including the battery cell stack and the bus bar frame, a pad part located at one end of the bottom part of the frame member, and a film part connected to the pad part and protruding toward the bus bar frame.

公开(公告)号：US20240063484A1

公开(公告)日：2024-02-22

申请号：US18270426

申请日：2022-04-07

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Sunghwan JANG ,  Junyeob SEONG ,  Won Kyoung PARK

IPC: H01M50/211 ,  H01M50/507 ,  B60L50/64

CPC classification number: H01M50/211 ,  H01M50/507 ,  B60L50/64 ,  H01M2220/20

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; end plates located on one side and the other side of the battery cell stack and having an opening formed therein; a terminal busbar exposed through the opening; and a blocking member that surrounds the terminal busbar, wherein upon the rise of internal pressure of the module frame, the blocking member moves to close a gap between the opening and the terminal busbar.

公开(公告)号：US20240039115A1

公开(公告)日：2024-02-01

申请号：US18021370

申请日：2021-10-20

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Junghoon LEE ,  Junyeob SEONG ,  Hyemi JUNG ,  Kwangmo KIM ,  Dayoung BYOUN

IPC: H01M50/383 ,  H01M50/24 ,  H01M50/211

CPC classification number: H01M50/383 ,  H01M50/24 ,  H01M50/211 ,  H01M2220/20

Abstract: A battery module includes a battery cell stack. The battery cell stack includes a plurality of battery cells. The battery module further includes a module frame accommodating the battery cell stack. The battery module further includes a flame-retardant member between a pair of adjacent battery cells in the battery cell stack. The flame-retardant member includes a flame-retardant pad and a fire-extinguishing material layer. The fire-extinguishing material layer is in contact with at least one of the pair of adjacent battery cells.