公开(公告)号：EP4391169A1

公开(公告)日：2024-06-26

申请号：EP22857863.9

申请日：2022-08-17

申请人： Beijing CHJ Information Technology Co., Ltd.

发明人： WANG, Bowen

IPC分类号： H01M50/202 ,  H01M50/233

CPC分类号： Y02E60/10 ,  H01M50/202 ,  H01M50/233 ,  H01M50/26

摘要： A lower housing, includes: a plurality of edge beams (11) connected to each other, wherein each of the plurality of edge beam (11) comprises a notch (111) formed at a corner of the edge beam (11), and two adjacent notches (111) of two adjacent edge beams (11) of the plurality of edge beams (11) define an accommodating groove (2); and a sealing material (3) filled in accommodating groove (2).