公开(公告)号：US20240283064A1

公开(公告)日：2024-08-22

申请号：US18488511

申请日：2023-10-17

申请人： Samsung SDI Co., Ltd.

发明人： Dae-Sup KIM

IPC分类号： H01M50/169 ,  H01M50/109 ,  H01M50/181 ,  H01M50/533

CPC分类号： H01M50/169 ,  H01M50/109 ,  H01M50/181 ,  H01M50/533

摘要： A button cell includes an electrode assembly including a first electrode, a second electrode, a separator between the first electrode and the second electrode, a first electrode tab extending from the first electrode, and a second electrode tab extending from the second electrode, a case accommodating the electrode assembly, and including a through hole exposing an upper central region of the electrode assembly and an opening exposing a lower portion of the electrode assembly, a bottom plate coupled to the case to cover the opening, and connected to the first electrode tab, a terminal plate insulated from and bonded to the case to cover the through hole, and connected to the second electrode tab, and a bonding layer between the case and the terminal plate, and configured to insulate and bond the case and the terminal plate.

公开(公告)号：US20240347827A1

公开(公告)日：2024-10-17

申请号：US18614341

申请日：2024-03-22

申请人： SAMSUNG SDI CO., LTD.

发明人： Dae-Sup KIM

IPC分类号： H01M50/171 ,  H01M10/04 ,  H01M50/109 ,  H01M50/153 ,  H01M50/536

CPC分类号： H01M50/171 ,  H01M10/0427 ,  H01M50/109 ,  H01M50/153 ,  H01M50/536

摘要： A button cell includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case connected to the first electrode, housing the electrode assembly, and including an opening exposing the electrode assembly and a side wall defining the opening; a cap plate connected to the second electrode, insulated from and bonded to the side wall of the case, and covering the opening; and a bonding layer located between the cap plate and the side wall of the case, and insulating and bonding the case and the cap plate.

公开(公告)号：US20240234883A1

公开(公告)日：2024-07-11

申请号：US18488891

申请日：2023-10-17

申请人： SAMSUNG SDI CO., LTD.

发明人： Dae-Sup KIM

IPC分类号： H01M50/169 ,  H01M50/109 ,  H01M50/153 ,  H01M50/188 ,  H01M50/559

CPC分类号： H01M50/169 ,  H01M50/109 ,  H01M50/153 ,  H01M50/188 ,  H01M50/559

摘要： A button cell includes an electrode assembly, a case including an opening exposing the electrode assembly, a cap plate coupled to the case to cover an outer region of the opening and including a through hole exposing a central region of the opening, and a step portion recessed to correspond to a sidewall of the case and in which the sidewall of the case is inserted, a terminal plate connected to the second electrode tab, insulatively bonded to the cap plate, and covering the through hole, a bonding layer between the cap plate and the terminal plate and insulatively bonding between the cap plate and the terminal plate, and a side welded portion between the step portion of the cap plate and the sidewall of the case.