-
91.
公开(公告)号:EP4318748A3
公开(公告)日:2024-05-22
申请号:EP23159861.6
申请日:2023-03-03
申请人: CALB Group Co., Ltd.
发明人: WANG, Ke , JIANG, Xinwei
IPC分类号: H01M50/15 , H01M50/159 , H01M50/164 , H01M50/586 , H01M50/593
CPC分类号: Y02E60/10 , H01M50/15 , H01M50/159 , H01M50/164 , H01M50/586 , H01M50/593
摘要: A battery, a battery cover plate assembly, and a manufacturing method thereof are provided. The battery cover plate assembly includes: a cover plate (10) provided with a first connection portion and an insulating piece (20) disposed on one side of the cover plate (10). The insulating piece (20) is provided with a second connection portion, and the first connection portion is connected to the second connection portion. One of the first connection portion and the second connection portion is a mounting hole (13) and the other one is a protrusion (21), and the protrusion (21) is in an interference fit with the mounting hole (13). An area of an opening (133) of the mounting hole (13) is less than maximum area of cross section of the mounting hole (13), and the protrusion (21) is inserted into the mounting hole (13) through the opening (133) of the mounting hole (13).
-
公开(公告)号:EP4120448B1
公开(公告)日:2024-05-22
申请号:EP21787294.4
申请日:2021-06-01
IPC分类号: H01M10/04 , H01M10/052 , H01M50/103 , H01M50/147 , H01M50/15 , H01M50/184 , H01M50/186 , H01M50/209 , H01M50/30 , H01M50/308 , H01M50/325 , H01M50/342 , H01M50/367 , H01M50/553 , H01M50/578
CPC分类号: Y02E60/10 , H01M10/052 , H01M50/103 , H01M50/147 , H01M50/209 , H01M50/3425 , H01M50/394 , H01M50/553 , H01M2220/2020130101 , H01M50/30 , H01M50/308 , H01M50/342 , H01M50/15 , H01M50/186 , H01M50/578 , H01M50/184 , H01M50/367 , H01M2200/2020130101 , H01M50/325 , H01M10/04
-
公开(公告)号:EP4369483A2
公开(公告)日:2024-05-15
申请号:EP23209461.5
申请日:2023-11-13
发明人: LI, Jiayuan
IPC分类号: H01M50/103 , H01M50/107 , H01M50/15 , H01M50/152 , H01M50/148 , H01M50/169 , H01M50/176 , H01M50/179 , H01M50/193 , H01M50/198 , H01M50/342 , H01M50/375 , H01M50/545 , H01M50/553 , H01M50/559 , H01M50/564
CPC分类号: Y02E60/10 , H01M50/176 , H01M50/375 , H01M50/103 , H01M50/107 , H01M50/179 , H01M50/198 , H01M50/193 , H01M50/545 , H01M50/553 , H01M50/559 , H01M50/564 , H01M50/169 , H01M50/154 , H01M50/152 , H01M50/15 , H01M50/342
摘要: An electrochemical apparatus (1) includes an electrode assembly (40), a housing assembly (10), a conductor (30), and an insulator (20), where the electrode assembly (40) includes a first tab (41), the housing assembly (10) includes a first housing (11) and a second housing (12), the first housing (11) and the second housing (12) define an accommodating space (10a) and the electrode assembly (40) is accommodated in the accommodating space (10a), the first tab (41) is electrically connected to the conductor (30), the insulator (20) is located between the first housing (11) and the conductor (30) to insulate the first housing (11) and the conductor (30), the first housing (11) has a first through-hole (11a), the insulator (20) has a second through-hole, in a first direction (H), a projection of the conductor (30) at least partially falls inside the first through-hole (11a) and the second through-hole, the insulator (20) includes a first insulation layer (21) and a second insulation layer (22), and the first insulation layer (21) is attached to the first housing (11) and located between the first housing (11) and the second insulation layer (22).
-
公开(公告)号:EP4366076A1
公开(公告)日:2024-05-08
申请号:EP22889058.8
申请日:2022-10-10
发明人: CHEN, Congsheng , LIN, Wenfa , WEN, Yaoling
IPC分类号: H01M50/627 , H01M50/645 , H01M50/15
CPC分类号: Y02E60/10 , H01M50/645 , H01M50/15 , H01M50/627
摘要: The present application provides a battery cover plate assembly, including: a cover plate provided with a filling port; and a sealing pin for sealing the filling port; wherein the sealing pin includes a main body portion and a welding portion, and the welding portion is located at a periphery of the main body portion and extends from the main body portion toward an outer circumferential side; and the cover plate is provided with a second recess and a first recess, which are sequentially arranged from the inside to the outside at a periphery of the filling port, the main body portion is located in the second recess, and the welding portion is welded to a bottom surface of the first recess. According to the present application, the main body portion is located in the second recess, and the welding portion is welded to the bottom surface of the first recess. The second recess is configured to receive the electrolyte, so as to reduce the residual electrolyte on the bottom surface of the first recess, and the bottom surface of the first recess is welded to the welding portion of the sealing pin, so as to prevent the sealing pin from being welded to the side wall of the filling port, thereby improving the welding sealing performance between the sealing pin and the filling port.
-
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.
-
公开(公告)号:EP4113710B1
公开(公告)日:2024-05-08
申请号:EP22158446.9
申请日:2022-02-24
IPC分类号: H01M50/15 , H01M10/04 , H01M10/0525 , H01M50/103 , H01M50/105 , H01M50/119 , H01M50/133 , H01M50/147 , H01M50/627 , H01M50/593 , H01M50/566 , H01M50/562 , H01M50/169 , H01M50/176 , H01M50/184 , H01M50/186 , H01M50/188 , H01M50/30 , H01M50/557 , H01M50/553
CPC分类号: H01M50/15 , Y02E60/10 , H01M50/133 , H01M50/55 , H01M50/553 , H01M50/176 , H01M10/04 , H01M50/147 , H01M50/531 , H01M50/562 , H01M50/30 , H01M50/627 , H01M50/566 , H01M50/119 , H01M50/105 , H01M50/593 , H01M50/184 , H01M50/557 , H01M50/188 , H01M10/0525 , H01M50/103 , H01M50/169 , H01M50/3425 , H01M50/186
-
公开(公告)号:EP4325638A3
公开(公告)日:2024-05-01
申请号:EP23188309.1
申请日:2023-07-28
申请人: AESC Japan Ltd.
发明人: OOKA, Aika
IPC分类号: H01M50/131 , H01M50/152 , H01M50/171 , H01M50/172 , H01M50/183 , H01M50/188 , H01M50/536 , H01M50/564 , H01M50/103 , H01M50/105 , H01M50/119 , H01M50/121 , H01M50/124 , H01M50/15 , H01M50/174 , H01M50/167 , H01M50/571 , H01M10/04
CPC分类号: H01M50/171 , H01M50/15 , H01M50/103 , H01M10/0431 , H01M50/105
摘要: A battery cell (10A) includes a battery element (100A), a front lid member (210A) covering one end portion of the battery element (100A) in a predetermined direction, and an exterior film (300A) at least partially wrapped around the predetermined direction of the battery element (100A). The exterior film (300A) is rounded along the battery element (100A) in at least one corner of the battery element (100A) around the predetermined direction.
-
公开(公告)号:EP4333190A3
公开(公告)日:2024-04-24
申请号:EP22215406.4
申请日:2022-12-21
申请人: CALB Co., Ltd.
发明人: ZENG, Tianxing , LI, Guoxiang
IPC分类号: H01M50/528 , H01M50/536 , H01M50/566 , H01M50/516
CPC分类号: Y02E60/10 , H01M50/536 , H01M2200/10320130101 , H01M50/566 , H01M50/528 , H01M50/15 , H01M50/583 , H01M50/516
摘要: The disclosure provides a battery and a battery manufacturing method. The battery includes a cell (10), and the cell (10) includes a cell body (11) and a tab (12). The tab (12) extends from the cell body, and the tab (12) includes a first solder mark (121) and a second solder mark (122). The second solder mark (122) covers the first solder mark (121), and the second solder mark (122) is formed with a circumferentially closed space (123) to expose the first solder mark (121). That is, when welding the tab (12) and the cover plate assembly, the tab (12) is welded twice, and a hollow second solder mark (122) is formed.
-
公开(公告)号:EP4258463A3
公开(公告)日:2024-04-17
申请号:EP23173763.6
申请日:2020-05-14
发明人: CHEN, Xinxiang , WANG, Peng , CHEN, Yuanbao , GUO, Zhijun , ZHENG, Yulian , LIANG, Chengdu , LI, Wei
IPC分类号: H01M50/10 , H01M50/609 , H01M10/0525 , H01M50/103 , H01M50/645
CPC分类号: H01M50/15 , H01M50/186 , H01M50/209 , H01M50/636 , Y02P70/50 , Y02E60/10 , H01M50/103 , H01M50/645
摘要: The present application relates to a battery end cover assembly, a secondary battery, a battery pack and a device using the battery, wherein the end cover assembly (10) is used for the secondary battery, and includes: an end cover (10'), provided with a through hole (11) for injection of electrolyte and an accommodating part (12), wherein the accommodating part (12) is arranged on a side, far away from a shell (40), of the end cover (10') and is arranged along a circumferential direction of the through hole (11); a sealing element (3), configured to seal the through hole (11); and a cover body (2), configured to cover at least part of the sealing element (3), wherein the cover body (2) is configured to be rotatable, and includes a limiting part (22); wherein when the cover body (2) rotates to a first position, the limiting part (22) is located inside the accommodating part (12) to limit separation of the cover body (2) from the end cover (10'); when the cover body (2) rotates to a second position, the limiting part (22) and the accommodating part (12) are misplaced along the circumferential direction of the through hole (11), to realize separation of the cover body (2) from the end cover (10').
-
-
-
-
-
-
-
-