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公开(公告)号：US20240154256A1
公开(公告)日：2024-05-09
申请号：US18220091
申请日：2023-07-10
发明人： Kwang Soo BAE , Jun Sun YONG , Jun Hyung LEE , Jung Soo KIM
IPC分类号： H01M50/516 , H01M50/103 , H01M50/15 , H01M50/209 , H01M50/51 , H01M50/548 , H01M50/557 , H01M50/566 , H01M50/567
CPC分类号： H01M50/516 , H01M50/103 , H01M50/15 , H01M50/209 , H01M50/51 , H01M50/548 , H01M50/557 , H01M50/566 , H01M50/567
摘要： A secondary battery includes: an electrode assembly including a first electrode tab and a second electrode tab exposed at opposite sides of the electrode assembly; a case accommodating the electrode assembly and having a side-opening at opposite sides thereof; a first cap plate sealing a one side-opening in the case; a first terminal electrically connected to the first electrode tab, exposed to the outside of the first cap plate, and having a first protrusion that protrudes outwardly; a second cap plate sealing the other side-opening in the case; and a second terminal electrically connected to the second electrode tab, exposed to the outside of the second cap plate, and having a second protrusion that protrudes outwardly. A battery module includes secondary batteries having outer surfaces of the first terminal of one secondary battery and the second terminal of another secondary battery welded to each other.
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公开(公告)号：US20240356121A1
公开(公告)日：2024-10-24
申请号：US18485221
申请日：2023-10-11
发明人： Kwang Soo BAE , Jun Sun YONG , Jun Hyung LEE , Jung Soo KIM
IPC分类号： H01M50/176 , H01M10/0583 , H01M50/46 , H01M50/557
CPC分类号： H01M50/176 , H01M10/0583 , H01M50/461 , H01M50/557
摘要： A secondary battery includes: an electrode assembly including a first electrode tab and a second electrode tab, the first electrode tab and the second electrode tab being exposed at opposite sides of the electrode assembly; a first collector electrically coupled to the first electrode tab; a case having two open sides and accommodating the electrode assembly and the first collector therein; a first cap plate sealing one of the open sides of the case; and a first terminal mechanically and electrically coupled to the first collector and exposed to the outside of the first cap plate. The first collector includes a protrusion protruding outwardly and coupled to the first terminal, and the first terminal has a terminal through-hole in which the protrusion is accommodated.
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公开(公告)号：US20240356120A1
公开(公告)日：2024-10-24
申请号：US18484896
申请日：2023-10-11
发明人： Kwang Soo BAE , Jun Sun YONG , Jun Hyung LEE , Jung Soo KIM
IPC分类号： H01M50/176 , H01M10/0583 , H01M50/557
CPC分类号： H01M50/176 , H01M10/0583 , H01M50/557
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：US20240347880A1
公开(公告)日：2024-10-17
申请号：US18469297
申请日：2023-09-18
发明人： Kwang Soo BAE , Jun Sun YONG , Jun Hyung LEE , Jung Soo KIM
IPC分类号： H01M50/567 , H01M50/533 , H01M50/536 , H01M50/557
CPC分类号： H01M50/567 , H01M50/533 , H01M50/536 , H01M50/557
摘要： A secondary battery includes: an electrode assembly having a first electrode tab and a second electrode tab exposed on opposite sides, respectively; a first current collection part electrically coupled to the first electrode tab; a case accommodating the electrode assembly and the first current collection part and having opposite sides opened; a first cap plate sealing a first side opening from among the opposite sides of the case; a first terminal mechanically and electrically coupled to the first current collection part and exposed to the outside of the first cap plate; and a blind rivet coupling the first terminal and the first current collection part.
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公开(公告)号：US20240313369A1
公开(公告)日：2024-09-19
申请号：US18595178
申请日：2024-03-04
发明人： Kwang Soo BAE , Jun Sun YONG , Jun Hyung LEE , Jung Soo KIM
IPC分类号： H01M50/557 , H01M50/148 , H01M50/15 , H01M50/169
CPC分类号： H01M50/557 , H01M50/15 , H01M50/154 , H01M50/169
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 outer terminal connection structure includes a rotation prevention structure to restrict a relative rotation.
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公开(公告)号：US20240347877A1
公开(公告)日：2024-10-17
申请号：US18485648
申请日：2023-10-12
发明人： Kwang Soo BAE , Jun Sun YONG , Jun Hyung LEE , Jung Soo KIM
IPC分类号： H01M50/536 , H01M10/0583 , H01M50/103 , H01M50/548 , H01M50/566
CPC分类号： H01M50/536 , H01M10/0583 , H01M50/103 , H01M50/548 , H01M50/566
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, 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 a side 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：US20240332685A1
公开(公告)日：2024-10-03
申请号：US18465739
申请日：2023-09-12
发明人： Jung Soo KIM , Jun Sun YONG , Jun Hyung LEE , Kwang Soo BAE
IPC分类号： H01M50/184 , H01M50/107 , H01M50/15 , H01M50/188
CPC分类号： H01M50/184 , H01M50/107 , H01M50/15 , H01M50/188
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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