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公开(公告)号：EP4439814A1
公开(公告)日：2024-10-02
申请号：EP24154072.3
申请日：2024-01-26
发明人： Kim, Jung Soo , Yong, Jun Sun , Lee, Jun Hyung , Bae, Kwang Soo
IPC分类号： H01M50/166 , H01M50/183 , H01M50/553 , H01M50/10
CPC分类号： H01M50/553 , H01M50/183 , H01M50/166 , H01M50/10
摘要： A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly; a cap plate coupled to the case and having a terminal hole passing therethrough; a terminal over the terminal hole in the cap plate; a current collecting member electrically connecting the electrode plate and the terminal; and an insulating member insulating the cap plate and the terminal from each other and insulating the cap plate and the current collecting member from each other. At least one of a surface of the cap plate contacting the insulating member and a surface of the terminal contacting the insulating member has an unevenness formed thereon.
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公开(公告)号：EP4451403A1
公开(公告)日：2024-10-23
申请号：EP24153201.9
申请日：2024-01-22
发明人： Bae, Kwang Soo , Yong, Jun Sun , Lee, Jun Hyung , Kim, Jung Soo
IPC分类号： H01M10/0525 , H01M50/103 , H01M50/148 , H01M50/176 , H01M50/528 , H01M50/531 , H01M50/533 , H01M50/536 , H01M50/538 , H01M50/547 , H01M50/553 , H01M50/566 , H01M50/586
摘要： Disclosed is a secondary battery capable of a sufficient pressing force during welding between the terminal and the current collector plate to induce a strong bonding force, the secondary battery including an electrode assembly having first and second electrode tabs exposed on respective sides and a separator, a first current collection part electrically coupled to the first electrode tab, and including an edge part welded to the first electrode tab, and a central part, a case accommodating the electrode assembly and the first current collection part, a first cap plate sealing an opening of the case, a first terminal mechanically and electrically coupled to the first current collection part, and exposed to an exterior of the first cap plate, and a support between the central part of the first current collection part and the electrode assembly, wherein the central part protrudes further toward the first cap plate than the edge part.
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公开(公告)号：EP4451432A1
公开(公告)日：2024-10-23
申请号：EP24153215.9
申请日：2024-01-22
发明人： Bae, Kwang Soo , Yong, Jun Sun , Lee, Jun Hyung , Kim, Jung Soo
IPC分类号： H01M50/103 , H01M50/15 , H01M50/176 , H01M50/528 , H01M50/531 , H01M50/533 , H01M50/536 , H01M50/55 , H01M50/553 , H01M50/566 , H01M50/567
摘要： A secondary battery (100) includes: an electrode assembly (110) having a first electrode tab and a second electrode tab exposed on opposite sides, respectively; a first current collection part (120) electrically coupled to the first electrode tab; a case (160) accommodating the electrode assembly (110) and the first current collection part (120); a first cap plate (171) sealing an opening (161, 162) of the case (160); a first terminal (130) mechanically and electrically coupled to the first current collection part (120) and exposed to the outside of the first cap plate (171); and a blind rivet (175) coupling the first terminal and the first current collection part (120).
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公开(公告)号：EP4376148A2
公开(公告)日：2024-05-29
申请号：EP23195649.1
申请日：2023-09-06
发明人： Lee, Jun Hyung , Yong, Jun Sun , Bae, Kwang Soo
IPC分类号： H01M10/0525 , H01M50/103 , H01M50/15 , H01M50/176 , H01M50/528 , H01M50/536 , H01M50/548 , H01M50/553 , H01M50/566 , H01M50/586
CPC分类号： H01M10/0525 , H01M50/548 , H01M50/553 , H01M50/566 , H01M50/538 , H01M50/528 , H01M50/176 , H01M50/103 , H01M50/15 , H01M50/586 , H01M50/536
摘要： A secondary battery includes: an electrode assembly including a first electrode tab protruding from one side thereof and a second electrode tab protruding from another side thereof; a case accommodating the electrode assembly; a first cap assembly including a first cap plate coupled to one side of the case, a first electrode terminal extending through the first cap plate, and a gasket between the first cap plate and the first electrode terminal; a first current collector plate including a tab connecting part and a terminal connector part protruding from the tab connecting part, the tab connecting part being electrically connected to the first electrode tab, the terminal connector part being electrically connected to the first electrode terminal; and a support member between the first cap plate and the first current collector plate.
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公开(公告)号：EP4366040A1
公开(公告)日：2024-05-08
申请号：EP23194193.1
申请日：2023-08-30
发明人： Bae, Kwang Soo , Yong, Jun Sun , Lee, Jun Hyung , Kim, Jung Soo
IPC分类号： H01M50/103 , H01M50/15 , H01M50/176 , H01M50/209 , H01M50/51 , H01M50/516 , H01M50/548 , H01M50/553 , H01M50/557
CPC分类号： H01M50/103 , H01M50/15 , H01M50/176 , H01M50/553 , H01M50/548 , H01M50/209 , H01M50/51 , H01M50/516 , H01M50/557
摘要： A secondary battery (200, 200') includes: an electrode assembly (110) including a first electrode tab (111a) and a second electrode tab (112a) exposed at opposite sides of the electrode assembly (110); a case (160) accommodating the electrode assembly (110) and having a side-opening (161, 162) at opposite sides thereof; a first cap plate (171) sealing a one side-opening (161, 162) in the case (160); a first terminal (130, 230) electrically connected to the first electrode tab (111a), exposed to the outside of the first cap plate (171), and having a first protrusion (133y, 233y) that protrudes outwardly; a second cap plate (181) sealing the other side-opening (161, 162) in the case (160); and a second terminal (150, 150', 250, 250') electrically connected to the second electrode tab (112a), exposed to the outside of the second cap plate (181), and having a second protrusion (153y', 253y, 253y') that protrudes outwardly. A battery module (10, 20) includes secondary batteries (200, 200') having outer surfaces (133o) of the first terminal (130, 230) of one secondary battery (200, 200') and the second terminal (150, 150', 250, 250') of another secondary battery (200, 200') welded to each other.
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公开(公告)号：EP4451438A1
公开(公告)日：2024-10-23
申请号：EP24153595.4
申请日：2024-01-24
发明人： Bae, Kwang Soo , Yong, Jun Sun , Lee, Jun Hyung , Kim, Jung Soo
IPC分类号： H01M50/15 , H01M50/188 , H01M50/533 , H01M50/534 , H01M50/536
摘要： A secondary battery includes an electrode assembly including a first electrode tab and a second electrode tab, which are exposed at opposite sides, respectively; a first collector electrically connected to the first electrode tab; a case configured to accommodate the electrode assembly and the first collector and having opposite open sides; a first cap plate configured to seal an opening of a first side of the case; and a first terminal electrically connected to the first collector and exposed to an outside of the first cap plate, and the first collector includes a first collector plate and a second collector plate, the first collector plate includes: a central portion; an edge portion extending from the central portion and coupled to the first electrode tab; and a connection portion, the connection portion including at least one bent part.
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公开(公告)号：EP4432428A1
公开(公告)日：2024-09-18
申请号：EP24163765.1
申请日：2024-03-15
发明人： Bae, Kwang Soo , Yong, Jun Sun , Lee, Jun Hyung , Kim, Jung Soo
IPC分类号： H01M50/103 , H01M50/148 , H01M50/176 , H01M50/184 , H01M50/188 , H01M50/593
CPC分类号： H01M50/103 , H01M50/15 , H01M50/154 , H01M50/176 , H01M50/184 , H01M50/188 , H01M50/593
摘要： An outer terminal connection structure of a secondary battery, includes: a first current collector to be welded to non-coating portion tabs of an electrode assembly; a second current collector electrically connected to the first current collector; a cap plate above the second current collector, and connected to an opening of a case, the cap plate having a plate hole; an outer terminal above the cap plate, and electrically connected to the second current collector; an insulator passing through the cap plate to be located above and below the cap plate, the insulator to support the outer terminal at an upper side, and contact the second current collector at a lower side; and a terminal connection part passing through the plate hole to electrically connect the second current collector to the outer terminal. The insulator and the second current collector include a rotation prevention structure to restrict a relative rotation.
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公开(公告)号：EP4343956A1
公开(公告)日：2024-03-27
申请号：EP23199005.2
申请日：2023-09-22
发明人： Bae, Kwang Soo , Yong, Jun Sun , Lee, Jun Hyung
IPC分类号： H01M50/533 , H01M50/579 , H01M50/103 , H01M50/566 , H01M10/052 , H01M50/55 , H01M50/553
摘要： A secondary battery includes: an electrode assembly including a first electrode plate from which a first current collecting tab protrudes, a second electrode plate from which a second current collecting tab protrudes, and a separator between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly; and a current collector plate electrically connected to the first current collecting tab and including protrusions, and the first current collecting tab is vertically coupled to the current collector plate and includes coupling grooves to which the protrusions are coupled.
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