公开(公告)号：US10957955B2

公开(公告)日：2021-03-23

申请号：US16337771

申请日：2018-01-05

申请人： LG CHEM, LTD.

发明人： Jae-Uk Ryu ,  Ji-Su Yoon ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M10/613 ,  H01M50/20 ,  H01M10/625

摘要： A battery module including a case having a wall disposed therein to form a channel along which a fluid circulates; and a plurality of battery cells disposed in the case, wherein the wall is disposed between a pair of neighboring battery cells among the plurality of battery cells, and the fluid flows in through an inlet of the case, circulates between the plurality of battery cells along the wall, and flows out through an outlet of the case.

公开(公告)号：US20200168887A1

公开(公告)日：2020-05-28

申请号：US16632776

申请日：2019-01-21

申请人： LG Chem, Ltd.

发明人： Jae-Min Yoo ,  Min-Ho Kwon ,  Jae-Uk Ryu ,  Dal-Mo Kang ,  Su-Chang Kim ,  Jeong-O Mun ,  Ji-Su Yoon

IPC分类号： H01M2/34 ,  H01M2/20

摘要： A bus bar capable of effectively securing safety of a battery module when an overcurrent is generated includes: a main body portion that includes a first metal, has a stepped structure, in which an outer surface of the main body portion in an outward direction of the battery module is recessed in an inward direction, formed in one region, and is configured to be electrically connected to at least one secondary battery; a current breaking portion that is inserted into a space formed by the stepped structure and includes a second metal having a melting point relatively lower than a melting point of the first metal; and a covering member configured to surround at least a part of an outer surface of the current breaking portion. A battery module including the bus bar is also provided.

公开(公告)号：US20190109313A1

公开(公告)日：2019-04-11

申请号：US16087899

申请日：2017-07-31

申请人： LG Chem, Ltd.

发明人： Jae-Uk Ryu ,  Ji-Su Yoon ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M2/20 ,  H01M2/10 ,  H01M2/34 ,  H01M10/04

摘要： Provided is a cylindrical secondary battery module. The cylindrical secondary battery module includes: a cylindrical secondary battery cell including a battery case in which an electrode assembly and an electrolyte are accommodated, and a cell cap combined to a positive electrode terminal of the battery case; a busbar interconnecting a plurality of the cylindrical secondary battery cells and having a hollow; and a cut-off unit combined to the busbar in the hollow of the busbar to be connected to a cylindrical secondary battery, and configured to be separated from the busbar when an abnormality is generated in the cylindrical secondary battery cell, such that electric connections with the other cylindrical secondary battery cells are broken.

公开(公告)号：US20180248166A1

公开(公告)日：2018-08-30

申请号：US15901298

申请日：2018-02-21

申请人： LG Chem, Ltd.

发明人： Jae-Uk Ryu ,  Ji-Su Yoon ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M2/20 ,  H01M2/10

CPC分类号： H01M2/206 ,  H01M2/1077 ,  H01M2220/20

摘要： A battery module comprising a first battery group having at least one secondary battery; a second battery group having at least one secondary battery that does not belong to the first battery group; a first bus bar to which an electrode lead of the secondary battery belonging to the first battery group is contacted and coupled; a second bus bar spaced apart from the first bus bar so that an electrode lead of the secondary battery belonging to the second battery group is contacted and coupled thereto; a sub bus bar interposed between the first bus bar and the second bus bar to electrically connect the first bus bar and the second bus bar; and an elastic member having a portion coupled and fixed to the sub bus bar to give a restoring force for separating the sub bus bar from the first bus bar and the second bus bar.

公开(公告)号：US11777158B2

公开(公告)日：2023-10-03

申请号：US16620198

申请日：2018-12-05

申请人： LG CHEM, LTD.

发明人： Jae-Uk Ryu ,  Dal-Mo Kang ,  Min-Ho Kwon ,  Su-Chang Kim ,  Jeong-O Mun ,  Jae-Min Yoo ,  Ji-Su Yoon

IPC分类号： H01M10/647 ,  H01M10/658 ,  H01M10/0525 ,  H01M50/293 ,  H01M50/233 ,  H01M50/291 ,  H01M50/211 ,  H01M50/131 ,  H01M10/653 ,  H01M50/242 ,  H01M10/6551 ,  H01M50/24 ,  H01M50/209 ,  H01M10/6555

CPC分类号： H01M10/647 ,  H01M10/0525 ,  H01M10/658 ,  H01M50/211 ,  H01M50/233 ,  H01M50/291 ,  H01M50/293 ,  H01M10/653 ,  H01M10/6551 ,  H01M10/6555 ,  H01M50/131 ,  H01M50/209 ,  H01M50/24 ,  H01M50/242 ,  H01M2220/30

摘要： A battery module, which includes: a battery cell stack in which a plurality of battery cells are stacked; a flame spread prevention member configured to cover at least a portion of each battery cell; and a case configured to accommodate the battery cell stack covered by the flame spread prevention member.

公开(公告)号：US11024896B2

公开(公告)日：2021-06-01

申请号：US16307682

申请日：2018-02-12

申请人： LG CHEM, LTD.

发明人： Ji-Su Yoon ,  Jae-Uk Ryu ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M10/613 ,  H01M2/10 ,  H01M2/20 ,  H01M10/643 ,  H01M10/6556 ,  H01M10/625 ,  H01M10/655 ,  H01M10/6569

摘要： A battery module includes a plurality of battery cell assemblies, each having at least one battery cell; a bottom case configured to accommodate the plurality of battery cell assemblies; an upper case mounted to an upper side of the bottom case to expose a part of an upper side, a part of a front side and a part of a rear side of adjacent battery cell assemblies of the plurality of battery cell assemblies; and a cooling unit configured to cover the exposed parts of the adjacent battery cell assemblies and having a phase change material for cooling the adjacent battery cell assemblies.

公开(公告)号：US10992011B2

公开(公告)日：2021-04-27

申请号：US16337761

申请日：2018-04-13

申请人： LG CHEM, LTD.

发明人： Su-Chang Kim ,  Dal-Mo Kang ,  Jeong-O Mun ,  Jae-Uk Ryu ,  Ji-Su Yoon

IPC分类号： H01M50/502 ,  B60K6/28 ,  B60L50/64 ,  H01M50/287 ,  H01M50/213 ,  H01M50/249 ,  H01M50/271

摘要： A battery module includes plurality of battery cells, a cell housing configured to accommodate the plurality of battery cells and a cover housing configured to cover an upper side of the cell housing. The cover housing includes an upper cover configured to form an upper portion of the cover housing, a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing and a bus bar unit disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover.

公开(公告)号：US10938012B2

公开(公告)日：2021-03-02

申请号：US15901298

申请日：2018-02-21

申请人： LG Chem, Ltd.

发明人： Jae-Uk Ryu ,  Ji-Su Yoon ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M2/20 ,  H01M2/10

摘要： A battery module comprising a first battery group having at least one secondary battery; a second battery group having at least one secondary battery that does not belong to the first battery group; a first bus bar to which an electrode lead of the secondary battery belonging to the first battery group is contacted and coupled; a second bus bar spaced apart from the first bus bar so that an electrode lead of the secondary battery belonging to the second battery group is contacted and coupled thereto; a sub bus bar interposed between the first bus bar and the second bus bar to electrically connect the first bus bar and the second bus bar; and an elastic member having a portion coupled and fixed to the sub bus bar to give a restoring force for separating the sub bus bar from the first bus bar and the second bus bar.

公开(公告)号：US10770765B2

公开(公告)日：2020-09-08

申请号：US15717121

申请日：2017-09-27

申请人： LG CHEM, LTD.

发明人： Ji-Su Yoon ,  Dal-Mo Kang ,  Jeong-O Mun ,  Mi-Geum Choi ,  Sung-Won Seo ,  Hee-Jun Jin ,  Yoon-Koo Lee ,  Sang-Woo Ryu

IPC分类号： H01M10/613 ,  H01M10/6556 ,  H01M10/6566 ,  H01M10/625 ,  H01M2/10 ,  H01M10/6563

摘要： Disclosed is a battery module, which includes a cell assembly composed of a plurality of cells, and a frame assembly having a bottom plate supporting the cell assembly from a lower portion, a side plate perpendicular to the bottom plate and disposed adjacent to an outermost side of the cell assembly, and a top plate covering an upper portion of the cell assembly, wherein a groove forming an external air inflow space between the side plate and the cell assembly is formed at the side plate to elongate in a length direction thereof.

公开(公告)号：US10700319B2

公开(公告)日：2020-06-30

申请号：US16065614

申请日：2017-08-09

申请人： LG CHEM, LTD.

发明人： Jae-Uk Ryu ,  Dal-Mo Kang ,  Ji-Su Yoon

IPC分类号： H01M2/10 ,  H01M10/04

摘要： The present disclosure provides a battery module including: at least one cell; and a frame assembly including a lower plate configured to support a lower end surface of the cell, a strap-shaped side plate perpendicularly extending from four corners of the lower plate and placed adjacent to an outermost side of the cell, and an upper plate coupled to an upper end of the side plate and configured to cover an upper portion of the cell.