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公开(公告)号：US20240347847A1
公开(公告)日：2024-10-17
申请号：US18597586
申请日：2024-03-06
发明人： Chang Je Lee , In Seok Lee , Gi Hoon Myoung
IPC分类号： H01M50/342 , H01M50/105 , H01M50/136 , H01M50/186
CPC分类号： H01M50/3425 , H01M50/105 , H01M50/136 , H01M50/186
摘要： Provided is a pouch type battery cell, in which an electrode assembly may be accommodated between a first case and a second case. The pouch type battery cell may include: a cup part provided in at least one of the first case or the second case and configured to accommodate the electrode assembly; a folding part in which an edge portion of the first case surrounds an edge portion of the second case so that a discharge passage is provided between the edge portion of the first case and the edge portion of the second case; a sealing part such that when an internal pressure of the cup part increases, the cup part and the discharge passage communicate with each other.
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公开(公告)号：US12009530B2
公开(公告)日：2024-06-11
申请号：US18221102
申请日：2023-07-12
发明人： Chang Je Lee , In Seok Lee , Gi Hoon Myoung
IPC分类号： H01M50/105 , B23K26/244 , B23K101/36 , H01M10/04 , H01M50/119 , H01M50/121 , H01M50/129 , H01M50/136
CPC分类号： H01M50/105 , B23K26/244 , H01M10/049 , H01M50/119 , H01M50/121 , H01M50/129 , H01M50/136 , B23K2101/36
摘要： A pouch type battery cell according to an embodiment of the present invention may include an electrode assembly accommodated between a pair of cases, each of which include a first resin layer constituting an innermost layer, a second resin layer constituting an outermost layer, and a metal layer stacked between the first and second resin layers. The pouch type battery cell may include a cup portion, accommodating the electrode assembly, an insulation sealing portion, in which the first resin layers of the pair of cases are sealed to each other, a folded portion, in which an edge of one case of the pair of cases is folded to surround an edge of the other case, and a metal sealing portion, provided on the folded portion, in which the metal layers of the pair of cases are sealed to each other.
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公开(公告)号：US20240021927A1
公开(公告)日：2024-01-18
申请号：US18221102
申请日：2023-07-12
发明人： Chang Je Lee , In Seok Lee , Gi Hoon Myoung
IPC分类号： H01M50/105 , H01M50/136 , H01M50/129 , H01M50/121 , H01M50/119 , H01M10/04 , B23K26/244
CPC分类号： H01M50/105 , H01M50/136 , H01M50/129 , H01M50/121 , H01M50/119 , H01M10/049 , B23K26/244 , B23K2101/36
摘要： A pouch type battery cell according to an embodiment of the present invention may include an electrode assembly accommodated between a pair of cases, each of which include a first resin layer constituting an innermost layer, a second resin layer constituting an outermost layer, and a metal layer stacked between the first and second resin layers. The pouch type battery cell may include a cup portion, accommodating the electrode assembly, an insulation sealing portion, in which the first resin layers of the pair of cases are sealed to each other, a folded portion, in which an edge of one case of the pair of cases is folded to surround an edge of the other case, and a metal sealing portion, provided on the folded portion, in which the metal layers of the pair of cases are sealed to each other.
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