公开(公告)号：US20220336908A1

公开(公告)日：2022-10-20

申请号：US17761031

申请日：2021-01-07

申请人： LG Energy Solution, Ltd.

发明人： Byeong-Jun Jeon ,  Young-Su Son ,  Bum-Jick Lee

IPC分类号： H01M50/284 ,  H01M50/233 ,  H01M50/249 ,  H01M10/42 ,  B60L50/64 ,  H01M50/213

摘要： Disclosed is a battery pack with improved durability and inner space efficiency to increase energy density. The battery pack includes a plurality of battery cells; a battery management unit configured to manage charging and discharging of the plurality of battery cells and including at least two printed circuit boards electrically connected to each other and arranged such that such that surfaces of the at least two printed circuit boards face each other; and an electrically insulating pack housing having an inner space in which the plurality of battery cells are accommodated and having a fixing unit being configured to fix the at least two printed circuit boards.

公开(公告)号：US20240297392A1

公开(公告)日：2024-09-05

申请号：US18573121

申请日：2022-06-23

申请人： LG Energy Solution, Ltd.

发明人： Bum-Jick Lee ,  Young-Su Son

IPC分类号： H01M50/291 ,  H01M10/48 ,  H01M50/213 ,  H01M50/258 ,  H01M50/507 ,  H01M50/519

CPC分类号： H01M50/291 ,  H01M10/482 ,  H01M10/486 ,  H01M50/213 ,  H01M50/258 ,  H01M50/507 ,  H01M50/519

摘要： A cell module assembly according to the present disclosure includes a plurality of cylindrical battery cells, a cell frame, and a cell spacer. Each of the cylindrical battery cells includes a battery can and a top cap coupled to a top portion of the battery can. The cell frame has an accommodation portion and an open portion on one side, where the plurality of cylindrical battery cells are received upright in the accommodation portion. The cell spacer surrounds all or part of a bottom circumference of the battery can and is also coupled to the open portion of the cell frame.

公开(公告)号：US20220367954A1

公开(公告)日：2022-11-17

申请号：US17771270

申请日：2020-11-20

申请人： LG ENERGY SOLUTION, LTD.

发明人： Bum-Jick Lee ,  Young-Su Son ,  Hyoung-Chul Yoon ,  Young-Kyu Lee

IPC分类号： H01M50/24 ,  H01R13/52 ,  H01M50/213 ,  H01M50/296

摘要： Disclosed is a battery pack having improved waterproofing performance. The battery pack includes a plurality of secondary batteries; a connector including a connection terminal configured to receive electricity from an external device or to supply power to an outside of the battery pack, and an electrically insulating body surrounding a portion of the connection terminal; a pack housing having an inner space in which the plurality of secondary batteries are accommodated and having an insert hole so that at least a part of the body of the connector is inserted therein; and a connector gasket interposed between the insert hole and the connector and having a portion that is bent at least once in one direction, the connector gasket being at least partially compressed and fixed by inserting the connector into the insert hole.

公开(公告)号：US20240291058A1

公开(公告)日：2024-08-29

申请号：US18570755

申请日：2022-06-23

申请人： LG Energy Solution, Ltd.

发明人： Bum-Jick Lee ,  Young-Su Son

IPC分类号： H01M10/48 ,  H01M10/42 ,  H01M50/213 ,  H01M50/244 ,  H01M50/249 ,  H01M50/507

CPC分类号： H01M10/486 ,  H01M10/425 ,  H01M10/482 ,  H01M50/213 ,  H01M50/244 ,  H01M50/249 ,  H01M50/507 ,  H01M2010/4271 ,  H01M2220/20

摘要： A cell module assembly according to the present disclosure includes a plurality of battery cells; a cell frame accommodating the plurality of battery cells; busbar plates disposed on one outer surface of the cell frame to electrically connect the plurality of battery cells; and a sensing unit disposed on the other outer surface of the cell frame and electrically connected to the busbar plates by wire bonding.

公开(公告)号：US20220367993A1

公开(公告)日：2022-11-17

申请号：US17771199

申请日：2020-11-11

申请人： LG ENERGY SOLUTION, LTD.

发明人： Bum-Jick Lee ,  Young-Su Son ,  Hyoung-Chul Yoon ,  Young-Kyu Lee

IPC分类号： H01M50/588 ,  H01M50/213 ,  H01M50/503 ,  H01M50/593 ,  H01M50/583 ,  H01M50/548 ,  H01M50/559 ,  H01M50/342 ,  H01M50/578

摘要： Disclosed is a battery module and a battery pack with improved durability. The battery module includes a plurality of cylindrical battery cells each respectively having electrode terminals; a module case having an accommodation portion in which the plurality of cylindrical battery cells are accommodated; a bus bar including a plate-shaped and electrically conductive body portion, and a connection portion configured to contact the electrode terminals to electrically connect the plurality of cylindrical battery cells to each other; an electrically insulating insulation sheet covering an outer side of the bus bar, the insulation sheet having an exposure hole through which at least a part of the bus bar is exposed to an outside; and an electrically insulating adhesive on the at least a part of the bus bar exposed to the outside through the exposure hole of the insulation sheet.

公开(公告)号：US20220247046A1

公开(公告)日：2022-08-04

申请号：US17620665

申请日：2020-11-02

申请人： LG Energy Solution, Ltd.

发明人： Bum-Jick Lee ,  Young-Su Son

IPC分类号： H01M50/572 ,  H01M50/213 ,  H01M50/505

摘要： Disclosed is a battery module and a battery pack with improved manufacture efficiency and durability. The battery module includes a plurality of cylindrical battery cells; a module case having an accommodation portion for accommodating the plurality of cylindrical battery cells; a bus bar including a body portion having electric conductivity and configured in a plate shape, and a connection portion configured to electrically connect the plurality of cylindrical battery cells to each other; and a fill material having electric insulation and hardened in a state of being filled between at least two of the plurality of cylindrical battery cells, the module case and the bus bar.