公开(公告)号：US20240258640A1

公开(公告)日：2024-08-01

申请号：US18396719

申请日：2023-12-27

申请人： SK On Co., Ltd.

发明人： Tae Il KIM ,  Tae Hyeon KIM ,  Eung Ho LEE ,  Ju Young JEONG

IPC分类号： H01M50/342 ,  H01M50/258 ,  H01M50/276 ,  H01M50/325

CPC分类号： H01M50/3425 ,  H01M50/258 ,  H01M50/276 ,  H01M50/325

摘要： A battery module and a battery pack including the battery module are disclosed. The battery module includes a housing forming an accommodating space and a cell assembly disposed within the accommodating space and including a plurality of battery cells. The housing includes: an accommodating portion surrounding at least a portion of the cell assembly and a cover disposed in a first direction with respect to the accommodating portion and including a plurality of venting holes. The plurality of venting holes are configured to discharge gas in a second direction, different from the first direction, and the cover includes an upper surface and a plurality of protruding regions protruding from the upper surface in the first direction and surrounding at least some of the plurality of venting holes, respectively.

公开(公告)号：US20230268600A1

公开(公告)日：2023-08-24

申请号：US18172321

申请日：2023-02-22

申请人： SK ON CO., LTD.

发明人： Eung Ho LEE ,  Tae Hyeon KIM ,  Deok Ho NAM ,  Jun Seo YOON ,  Hwa Kyoo YOON

IPC分类号： H01M50/271 ,  H01M50/204 ,  H01M50/507 ,  H01M10/658

CPC分类号： H01M50/271 ,  H01M50/204 ,  H01M50/507 ,  H01M10/658

摘要： A battery module is disclosed. The battery module includes a battery cell assembly including a plurality of battery cells; a case assembly accommodating the battery cell assembly; the case assembly including a top case positioned on the battery cell assembly; and a bus bar assembly including a bus bar unit electrically connecting the plurality of battery cells, a connection frame connected to the bus bar unit and positioned under the top case, and an expansion sheet positioned between the connection frame and the top case. When a heat is applied to the expansion sheet and a temperature of the expansion sheet is higher than or equal to a predetermined temperature, the expansion sheet expands toward the top case.