公开(公告)号：US11342604B2

公开(公告)日：2022-05-24

申请号：US16610302

申请日：2018-09-27

申请人： LG Chem, Ltd.

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

IPC分类号： H01M10/613 ,  H01M10/643 ,  H01M10/653 ,  H01M10/6551 ,  H01M50/213

摘要： A battery module includes a plurality of can-type secondary batteries; a cooling tray formed in a container shape and having an accommodation space capable of accommodating the plurality of can-type secondary batteries; a heatsink having a hollow structure in which a coolant flows, the heatsink being disposed in contact with an outer surface of the cooling tray; and a thermally conductive adhesive solution filled in the accommodation space of the cooling tray, wherein the plurality of can-type secondary batteries are arranged such that a lower portion thereof is immersed in the thermally conductive adhesive solution.

公开(公告)号：US11296390B2

公开(公告)日：2022-04-05

申请号：US16603450

申请日：2018-10-02

申请人： LG CHEM, LTD.

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

IPC分类号： H01M10/04 ,  H01M50/502 ,  H01M10/052 ,  H01M10/0587 ,  H01M50/107 ,  H01M50/147 ,  H01M50/155 ,  H01M50/213 ,  H01M50/543

摘要： A cylindrical battery cell including a first electrode terminal and a second electrode terminal having different polarities: an electrode assembly in which a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode are wound; a battery case configured to include the electrode assembly therein in a state of being impregnated with an electrolytic solution; a cap assembly mounted to a top end of the battery case; and a connection cap including a cap housing loaded on the battery case and the cap assembly and having an insulating material, and a first connection plate and a second connection plate placed on the cap housing and electrically connected to the first electrode terminal and the second electrode terminal, respectively.

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：US20200083575A1

公开(公告)日：2020-03-12

申请号：US16610302

申请日：2018-09-27

申请人： LG Chem, Ltd.

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

IPC分类号： H01M10/613 ,  H01M10/643 ,  H01M2/10 ,  H01M10/653 ,  H01M10/6551

摘要： A battery module includes a plurality of can-type secondary batteries; a cooling tray formed in a container shape and having an accommodation space capable of accommodating the plurality of can-type secondary batteries; a heatsink having a hollow structure in which a coolant flows, the heatsink being disposed in contact with an outer surface of the cooling tray; and a thermally conductive adhesive solution filled in the accommodation space of the cooling tray, wherein the plurality of can-type secondary batteries are arranged such that a lower portion thereof is immersed in the thermally conductive adhesive solution.

公开(公告)号：US11962020B2

公开(公告)日：2024-04-16

申请号：US16979600

申请日：2020-01-20

申请人： LG CHEM, LTD.

发明人： Eun-Gyu Shin ,  Jae-Min Yoo ,  Yoon-Koo Lee ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M10/00 ,  H01M10/058 ,  H01M50/105 ,  H01M50/124 ,  H01M50/211 ,  H01M50/24 ,  H01M50/531 ,  H01M50/548

CPC分类号： H01M50/124 ,  H01M10/058 ,  H01M50/105 ,  H01M50/211 ,  H01M50/24 ,  H01M50/531 ,  H01M50/548

摘要： A battery cell includes an electrode assembly, a pair of electrode leads electrically connected to the electrode assembly, a battery case configured to accommodate the pair of electrode leads such that the pair of electrode leads protrude at least partially in a front and rear direction of the battery cell, the battery case having an accommodation space formed to accommodate the electrode assembly, and a taping unit configured to integrally cover both side surfaces and upper and lower surfaces of the battery case.

公开(公告)号：US11594776B2

公开(公告)日：2023-02-28

申请号：US16961065

申请日：2019-07-03

申请人： LG Chem, Ltd.

发明人： Jae-Min Yoo ,  Eun-Gyu Shin ,  Hee-Jun Jin ,  Dal-Mo Kang ,  Jeong-O Mun

IPC分类号： H01M10/00 ,  H01M50/20 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M50/24 ,  H01M50/183 ,  H01M50/502

摘要： A battery module includes a heat-shrinkable tube serving as a module housing. The battery module includes a cell assembly having a plurality of pouch-type secondary batteries; a bus bar assembly having a bus bar frame and a bus bar mounted to an outer surface of the bus bar frame; and a heat-shrinkable tube formed to be shrunk by heat and configured so that the cell assembly is located therein, the heat-shrinkable tube being provided to surround a side surface of the cell assembly and a portion of the bus bar assembly.

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：US12002939B2

公开(公告)日：2024-06-04

申请号：US17267948

申请日：2020-05-27

申请人： LG CHEM, LTD.

发明人： Jae-Min Yoo ,  Jeong-O Mun ,  Eun-Gyu Shin ,  Yoon-Koo Lee

IPC分类号： H01M10/613 ,  H01M10/625 ,  H01M10/6557 ,  H01M10/6568 ,  H01M50/325 ,  H01M50/35 ,  H01M50/505 ,  H01M50/507

CPC分类号： H01M10/6557 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6568 ,  H01M50/325 ,  H01M50/35 ,  H01M50/505 ,  H01M50/507 ,  H01M2220/20

摘要： A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.

公开(公告)号：US11901589B2

公开(公告)日：2024-02-13

申请号：US16619849

申请日：2018-11-12

申请人： LG CHEM, LTD.

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

IPC分类号： H01M50/583 ,  H01M50/505 ,  H01M50/528 ,  H01M50/524 ,  H01M50/516 ,  H01M50/526 ,  H01M50/503 ,  H01M50/213 ,  H01M50/107 ,  H01M50/581 ,  H01M50/522 ,  H01M50/284

CPC分类号： H01M50/583 ,  H01M50/213 ,  H01M50/503 ,  H01M50/505 ,  H01M50/516 ,  H01M50/522 ,  H01M50/524 ,  H01M50/526 ,  H01M50/528 ,  H01M50/581 ,  H01M50/107 ,  H01M50/284 ,  H01M2200/103 ,  H01M2220/20

摘要： A cylindrical secondary battery module including a plurality of cylindrical secondary battery cells respectively having a battery case in which an electrode assembly and an electrolyte are accommodated; a cell frame at which the plurality of cylindrical secondary battery cells are disposed; and a bus bar electrically connected to the plurality of cylindrical secondary battery cells and having a fusing portion, wherein the bus bar has a plurality of layers made of different materials from each other.

公开(公告)号：US11139543B2

公开(公告)日：2021-10-05

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： H01M50/581 ,  H01M50/502

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.