公开(公告)号：US20210135325A1

公开(公告)日：2021-05-06

申请号：US17145613

申请日：2021-01-11

申请人： Contemporary Amperex Technology Co., Limited

发明人： Zhoufu LI ,  Daichun TANG ,  Xigui LONG ,  Xiaoxi ZHANG ,  Baiqing LI ,  Lingyan JIANG

IPC分类号： H01M50/70 ,  H01M10/052 ,  H01M10/0585 ,  H01M50/533 ,  H01M50/147

摘要： A secondary battery, a battery pack, and an electric device. The secondary battery includes: a case with an inner cavity in which an electrolyte is included; a cap assembly covering an opening of the case; and an electrode assembly located in the inner cavity, the electrode assembly including an electrode unit and tabs, and along a length direction, the electrode unit including two side portions disposed oppositely, the tabs extending from the side portions; a connecting component configured to connect the tabs and the cap assembly; a flow guiding component located between a corresponding connecting component and a corresponding side portion, being connected to the connecting component and provided with an avoiding portion configured to avoid the tabs, and being in contact with the electrolyte, at least part of the flow guiding component being in contact with the corresponding side portion, and the flow guiding component.