公开(公告)号：EP4379919A1

公开(公告)日：2024-06-05

申请号：EP23210463.8

申请日：2023-11-16

申请人： SK On Co., Ltd.

发明人： JEONG, Won Seok ,  JEON, Hae Ryong

IPC分类号： H01M50/202 ,  H01M50/308 ,  H01M50/367

CPC分类号： H01M50/103 ,  H01M50/202 ,  H01M50/209 ,  H01M50/367 ,  H01M50/308

摘要： A battery pack (1000) according to an embodiment of the present disclosure may include: a plurality of battery cells (1200) including a venting portion (1240); a pack housing (1100) in which a plurality of battery cells are disposed in a longitudinal direction, the pack housing including a venting hole (1310) communicating with the venting portion; and a gas discharge passage (1400) communicating with the venting hole, and configured to discharge gas discharged through the venting portion externally, wherein the gas discharge passage may include a body portion (1410) coupled to the pack housing; and a main passage (1420) connected to the body portion, and having a form of a tube extending in a longitudinal direction of the pack housing.

公开(公告)号：EP4213285A1

公开(公告)日：2023-07-19

申请号：EP23150773.2

申请日：2023-01-09

申请人： SK On Co., Ltd.

发明人： LEE, Kang Gu ,  JEON, Hae Ryong ,  JUNG, Jun Hee

IPC分类号： H01M50/204 ,  H01M50/367 ,  H01M50/271

摘要： A battery device includes a cell assembly having a plurality of battery cells, and a frame member having a bottom member, a cover member, and a side member connecting the bottom member and the cover member to form an accommodating space for accommodating at least one cell assembly therein. The frame member comprises a flow space therein so that the gas or flames generated in the cell assembly flow, the flow space comprises a first flow space formed in any one of the cover member and the bottom member and a second flow space formed in the side member, and the first flow space and the second flow space are connected to each other.

公开(公告)号：EP4345996A2

公开(公告)日：2024-04-03

申请号：EP23162975.9

申请日：2023-03-20

申请人： SK On Co., Ltd.

发明人： KIM, Ho Yeon ,  LEE, Eung Ho ,  JEON, Hae Ryong

IPC分类号： H01M50/209

摘要： A secondary battery includes a battery cell assembly in which a plurality of battery cells and one or more first insulating members are stacked; a second insulating member formed to cover at least a portion of one end of the battery cell assembly in a direction perpendicular to a stacking direction of the battery cells and the one or more first insulating members; an upper case located on the second insulating member; and a fire extinguishing member located between the second insulating member and the upper case.

公开(公告)号：EP4246694A1

公开(公告)日：2023-09-20

申请号：EP22214816.5

申请日：2022-12-20

申请人： SK On Co., Ltd.

发明人： LEE, Kang Gu ,  JEON, Hae Ryong ,  JUNG, Jun Hee

IPC分类号： H01M50/35 ,  H01M50/367 ,  H01M10/625 ,  H01M50/211 ,  H01M50/30 ,  H01M10/613 ,  H01M50/209

摘要： A battery module having a cell stack in which a plurality of battery cells are stacked; a housing having an accommodation space in which the cell stack is accommodated, wherein the accommodation space comprises an open end; a flow path forming compartment covering the open end and comprising an inlet, an outlet, and a flow path forming member ; and a flame blocking member installed in the flow path forming compartment, wherein a first area of a first side opposite to the cell stack among sides of the flow path forming compartment has a value greater than a second area second side opposite to the cell stack among sides of each of the sidewalls.

公开(公告)号：EP4138206A1

公开(公告)日：2023-02-22

申请号：EP22190773.6

申请日：2022-08-17

申请人： SK On Co., Ltd.

发明人： JANG, Ho Sang ,  KANG, Ji Eun ,  JEON, Hae Ryong ,  PARK, Jung Hwan

IPC分类号： H01M50/507 ,  H01M50/519

摘要： A battery module disclosed. The battery module includes a module case; first and second battery groups disposed inside the module case to be spaced apart from each other, each of the first and second battery groups including a plurality of battery cells; a first bus bar assembly disposed on a first side of the first battery group, the first bus bar assembly including a first bus bar electrically connecting the plurality of battery cells of the first battery group; a second bus bar assembly disposed on a firs side of the second battery group, the second bus bar assembly including a second bus bar electrically connecting the plurality of battery cells of the second battery group; and a sensing unit electrically connected to both the first bus bar and the second bus bar and configured to measure states of the plurality of battery cells.

公开(公告)号：EP4376176A1

公开(公告)日：2024-05-29

申请号：EP23193625.3

申请日：2023-08-28

申请人： SK On Co., Ltd.

发明人： LEE, Eung Ho ,  KIM, Ho Yeon ,  LEE, Seung Dong ,  JEON, Hae Ryong

IPC分类号： H01M10/658 ,  H01M50/211 ,  H01M50/293 ,  H01M50/383 ,  H01M50/507

CPC分类号： H01M10/658 ,  H01M50/507 ,  H01M50/383 ,  H01M50/293 ,  H01M50/211

摘要： A battery module includes a housing that includes an internal space, a cell stack accommodated in the internal space and including a plurality of battery cells and a plurality of thermal blocking members stacked in a first direction, a plurality of busbars electrically connected to the plurality of battery cells, and a busbar frame supporting the plurality of busbars, wherein each of the plurality of battery cells includes an electrode assembly and an electrode accommodating portion accommodating the electrode assembly, wherein at least one of the plurality of thermal blocking members includes: a body portion configured to face the electrode accommodating portion and blocking heat propagation between the plurality of battery cells, and one or more blocking portions extending from the body portion in a second direction that is perpendicular to the first direction, and configured to at least partially block gas flow in the first direction.

公开(公告)号：EP4421965A1

公开(公告)日：2024-08-28

申请号：EP23214763.7

申请日：2023-12-06

申请人： SK On Co., Ltd.

发明人： KIM, Ji San ,  JEON, Hae Ryong

IPC分类号： H01M50/383

CPC分类号： Y02E60/10 ,  H01M50/244 ,  H01M50/258 ,  H01M50/211 ,  H01M50/271 ,  H01M50/507 ,  H01M50/209 ,  H01M50/249 ,  H01M50/383 ,  H01M50/548 ,  H01M2220/2020130101 ,  H01M50/24

摘要： The present disclosure relates to a battery module, including a cell assembly including one or more battery cells and a busbar assembly electrically connecting the one or more battery cells, a module case including an open part at least partially opened on one surface, and forming an accommodating space for accommodating the cell assembly therein through the open part, a module cover coupled to the module case to close the open part, and a filling part which is provided between an outside of the busbar assembly and the module case and includes an electrically insulating material, and an assembly method thereof.

公开(公告)号：EP4095987A3

公开(公告)日：2024-06-12

申请号：EP22175681.0

申请日：2022-05-26

申请人： SK On Co., Ltd.

发明人： RHEE, Seo Roh ,  JEON, Hae Ryong ,  CHOI, Yang Kyu

IPC分类号： H01M10/6551 ,  G01R31/367 ,  H01M50/105 ,  H01M50/204 ,  H01M50/211 ,  H01M50/233 ,  H01M10/653 ,  H01M10/6554 ,  G01R27/26 ,  G01R31/00

CPC分类号： H01M50/105 ,  H01M50/211 ,  H01M50/233 ,  H01M50/204 ,  H01M10/6551 ,  Y02E60/10 ,  G01R31/52 ,  G01R27/2617 ,  G01R27/2605 ,  G01R31/006 ,  G01R31/392 ,  H01M10/6554 ,  H01M10/653 ,  H01M50/289

摘要： Provided is a method for designing a battery module including a cell assembly in which a plurality of battery cells are stacked and a module case having an internal space in which the cell assembly is accommodated, the method including: a) setting a lowermost portion of the module case with respect to a direction of gravity as a design side, and setting a region between the design side and the cell assembly as a design space; and b) obtaining a relative permittivity εr of the design space satisfying Equation 1 εrε0A0/T1 ≤ PCy by assuming that a shape of the design space is a form of a film having an area of Ao and a thickness of T0.

公开(公告)号：EP4378541A1

公开(公告)日：2024-06-05

申请号：EP23212907.2

申请日：2023-11-29

申请人： SK On Co., Ltd.

发明人： JEONG, Won Seok ,  JEON, Hae Ryong

IPC分类号： A62C3/16 ,  A62C35/10 ,  H01M50/204 ,  H01M10/42 ,  H01M50/271 ,  H01M50/593

CPC分类号： A62C3/16 ,  A62C35/10 ,  H01M50/204 ,  H01M50/271 ,  H01M50/593 ,  H01M10/4207 ,  H01M2200/1020130101

摘要： Provided is a battery pack (300) including a battery module (200) including one or more battery cells (110); an accommodating body (310) accommodating the battery module (200); an accommodating cover (330) coupled to the accommodating body (310) to form, together with the accommodating body (310), a module accommodating space (315) in which the battery module (200) is accommodated;
a fire extinguishing portion (400) provided in the accommodating cover (330) and supplying a fire extinguishing agent (420) accommodated therein to the module accommodating space (315) when the temperature of the module accommodating space (315) is equal to or higher than a preset first temperature; and a variable portion (3352) which is located between the battery module (200) and the fire extinguishing portion (400) and of which shape or length is changed to expose the fire extinguishing portion (400) toward the battery module (200) when the temperature of the module accommodating space (315) reaches a preset second temperature which is lower than the first temperature.

公开(公告)号：EP4216357A1

公开(公告)日：2023-07-26

申请号：EP23151171.8

申请日：2023-01-11

申请人： SK On Co., Ltd.

发明人： JEON, Hae Ryong

IPC分类号： H01M50/367

摘要： A battery pack includes at least one cell stack provided by stacking a plurality of battery cells, a packing case having an accommodating space accommodating at least one cell stack, and at least one duct member disposed in the packing case and having a flow space through which gas or flames discharged from the cell stack flow. The duct member is disposed to face a side surface of the cell stack and includes a plurality of flow paths partitioned from each other to separate flow of the gas or flames introduced into the flow space from each other, and each of the plurality of flow paths communicates with at least one inlet disposed on a side surface of the duct member.