专利检索 ap:("LG Chem, Ltd.") AND inv:"Sung Jun Jo" 第 1 页

1.

发明授权
Electrode assembly configured such that pressure welding portions of electrode tab welding portions have different sizes and ultrasonic welding apparatus configured to manufacture the same 有权

公开(公告)号：US12051827B2

公开(公告)日：2024-07-30

申请号：US17041124

申请日：2020-01-15

申请人： LG Chem, Ltd.

发明人： Hyeon Jin Lee , Dong Hyeuk Park , Myoung Jin Ko , Hyo Jin Lee , Sung Jun Jo

IPC分类号： H01M50/536 , B23K20/10 , B23K101/36 , H01M50/531

CPC分类号： H01M50/536 , B23K20/10 , H01M50/531 , B23K2101/36

摘要： Disclosed is an electrode assembly formed in a structure in which a plurality of positive electrodes with bundled positive electrode tabs and a plurality of negative electrodes with bundled negative electrode tabs are alternately stacked, each of the bundles of electrode tabs includes a first surface connected to a corresponding electrode lead and a second surface opposite the first surface, the first surface includes a plurality of first pressure welding portions and a plurality of first non-pressure, the second surface includes a plurality of second pressure welding portions and a plurality of second non-pressure welding portions The area of one of the first pressure welding portions is less than the area of one of the second pressure welding portions.

2.

发明申请
Electrode Assembly Configured Such that Pressure Welding Portions of Electrode Tab Welding Portions Have Different Sizes and Ultrasonic Welding Apparatus Configured to Manufacture the Same 有权

公开(公告)号：US20210119305A1

公开(公告)日：2021-04-22

申请号：US17041124

申请日：2020-01-15

申请人： LG Chem, Ltd.

发明人： Hyeon Jin Lee , Dong Hyeuk Park , Myoung Jin Ko , Hyo Jin Lee , Sung Jun Jo

IPC分类号： H01M50/536 , B23K20/10

摘要： Disclosed is an electrode assembly formed in a structure in which a plurality of positive electrodes with bundled positive electrode tabs and a plurality of negative electrodes with bundled negative electrode tabs are alternately stacked, each of the bundles of electrode tabs includes a first surface connected to a corresponding electrode lead and a second surface opposite the first surface, the first surface includes a plurality of first pressure welding portions and a plurality of first non-pressure, the second surface includes a plurality of second pressure welding portions and a plurality of second non-pressure welding portions The area of one of the first pressure welding portions is less than the area of one of the second pressure welding portions.