公开(公告)号：EP3944396B1

公开(公告)日：2024-10-09

申请号：EP20877137.8

申请日：2020-10-12

IPC分类号： H01M10/058 ,  H01M4/64 ,  H01M10/04 ,  H01M50/547 ,  H01M50/566

CPC分类号： Y02E60/10 ,  Y02P70/50 ,  H01M10/0431 ,  H01M50/547 ,  H01M50/566 ,  H01M4/64

公开(公告)号：EP4362154A1

公开(公告)日：2024-05-01

申请号：EP23206470.9

申请日：2023-10-27

申请人： Samsung SDI Co., Ltd.

发明人： KIM, Myung Seob ,  JUNG, Hyun Ki ,  PARK, Gun Gue ,  KO, Sung Gwi

IPC分类号： H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/148 ,  H01M50/167 ,  H01M50/545 ,  H01M50/547 ,  H01M50/553 ,  H01M50/559 ,  H01M50/567 ,  H01M10/0587 ,  H01M50/179 ,  H01M50/552 ,  H01M50/583

CPC分类号： Y02E60/10 ,  H01M50/107 ,  H01M50/152 ,  H01M10/0422 ,  H01M50/559 ,  H01M50/545 ,  H01M50/154 ,  H01M50/547 ,  H01M50/567 ,  H01M50/167 ,  H01M50/179 ,  H01M10/0587 ,  H01M50/188 ,  H01M50/552 ,  H01M50/583

摘要： The present disclosure relates to a cylindrical secondary battery (100) allowing the loss of space inside a case to be reduced. As an example, the present disclosure provides a cylindrical secondary battery (100) including an electrode assembly (120) which includes a first electrode plate (121), a separator (123), and a second electrode plate (122), a case (110) which has a cylindrical shape, in which the electrode assembly (120) is accommodated, and of which a lower portion is open, a terminal (150) which passes through an upper surface portion (111) of the case (110) and is coupled to the case through a first gasket (116), a first current collector plate (130) which is interposed between an upper surface of the electrode assembly (120) and the case (110) and electrically connects the first electrode plate (121) and the terminal (150), and a cap plate (160) configured to seal the lower end portion of the case (110), wherein the case (110) includes the upper surface portion (111) having a flat plate shape, a central portion (113) which is positioned at a central portion of the upper surface portion (111), has a terminal hole (113b), and protrudes outward further than the upper surface portion (111), and a side surface portion (112) extending downward from an edge of the upper surface portion (111).

公开(公告)号：EP4391199A1

公开(公告)日：2024-06-26

申请号：EP22928469.0

申请日：2022-12-29

申请人： Contemporary Amperex Technology Co., Limited

发明人： LIN, Denghua ,  CHEN, Xinxiang ,  HUANG, Shoujun ,  CHEN, Long ,  ZHENG, Yulian ,  WANG, Peng ,  JIN, Haizu

IPC分类号： H01M50/502 ,  H01M50/531

CPC分类号： Y02P70/50 ,  Y02E60/10 ,  H01M50/147 ,  H01M50/512 ,  H01M50/502 ,  H01M50/572 ,  H01M50/531 ,  H01M50/547

摘要： The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a case, a first battery cell, and a second battery cell, the first battery cell being arranged inside the case, the first battery cell including a first main body part, a first electrode lead-out component extending from a first side of the first main body part, and a second electrode lead-out component extending from a second side of the first main body part, the first side and the second side being arranged oppositely, the second battery cell being arranged inside the case, the second battery cell including a second main body part, a third electrode lead-out component extending from a third side of the second main body part, and a fourth electrode lead-out component extending from a fourth side of the second main body part, and the third side and the fourth side being arranged oppositely; wherein the first battery cell and the second battery cell are arranged in a first direction, the first side and the third side are adjacent and arranged oppositely, and the first electrode lead-out component and the third electrode lead-out component are electrically connected. The present application helps reduce the volume of the battery cell by optimizing the arrangement of the internal structure of the case.

公开(公告)号：EP4376139A1

公开(公告)日：2024-05-29

申请号：EP22884114.4

申请日：2022-10-21

申请人： LG Energy Solution, Ltd.

发明人： HWANGBO, Kwang-Su ,  LEE, Kwan-Hee

IPC分类号： H01M10/04 ,  H01M10/0587 ,  H01M50/531 ,  H01M10/42

CPC分类号： Y02E60/10 ,  B60L50/64 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/36 ,  H01M4/38 ,  H01M4/525 ,  H01M4/62 ,  H01M4/587 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/42 ,  H01M50/531 ,  H01M50/533 ,  H01M50/547 ,  H01M50/516 ,  H01M50/559 ,  H01M50/586 ,  H01M50/55 ,  H01M50/593

摘要： Disclosed is a cylindrical battery, which includes an electrode assembly; a battery housing configured to accommodate the electrode assembly through an open portion and electrically connected to the electrode assembly; a battery terminal configured to penetrate a closed portion of the battery housing and electrically connected to the electrode assembly; and a cap plate configured to cover the open portion, wherein the first electrode of the electrode assembly includes at least one insulation layer configured to simultaneously cover at least a part of the first uncoated portion and at least a part of the first coated portion, and at least a part of the first uncoated portion is used as an electrode tab by itself.

公开(公告)号：EP4325639A3

公开(公告)日：2024-05-22

申请号：EP23186820.9

申请日：2023-07-20

申请人： AESC Japan Ltd.

发明人： OOKA, Aika

IPC分类号： H01M50/171 ,  H01M50/172 ,  H01M50/188 ,  H01M50/202 ,  H01M50/536 ,  H01M50/567 ,  H01M50/571 ,  H01M50/531 ,  H01M50/547 ,  H01M50/553 ,  H01M50/131

CPC分类号： H01M50/567 ,  H01M50/172 ,  H01M50/188 ,  Y02E60/10 ,  H01M50/553 ,  H01M50/531 ,  H01M50/547 ,  H01M50/131 ,  H01M50/176 ,  H01M50/178 ,  H01M50/533

摘要： A battery cell (10A) includes a battery element (100A), a positive electrode tab (110A) electrically connected to the battery element (100A), a front lid member (210A) covering one end of the battery element (100A) with the positive electrode tab (110A) drawn from the front lid member (210A), and a front bonding member (410A) bonding the front lid member (210A) and the positive electrode tab (110A) to each other.

公开(公告)号：EP3783687B1

公开(公告)日：2024-05-15

申请号：EP19904109.6

申请日：2019-12-19

IPC分类号： H01M10/42 ,  H01M10/48 ,  H01M50/204 ,  H01M50/284 ,  H01M50/507 ,  H01M50/547 ,  H01M50/553 ,  H05K1/18 ,  H01M50/531 ,  H01M50/178 ,  H01M50/296 ,  H01M50/548 ,  H01M50/569

CPC分类号： H01M50/531 ,  H01M10/425 ,  H01M10/4207 ,  H01M10/482 ,  H01M10/486 ,  H01M50/204 ,  H01M50/284 ,  H01M50/507 ,  H01M50/547 ,  H01M50/553 ,  H05K2201/05620130101 ,  H05K2201/05220130101 ,  H05K2201/05320130101 ,  H05K2201/1003720130101 ,  H05K2201/1015120130101 ,  H05K1/189 ,  H05K2201/1027220130101 ,  H05K2201/1018920130101 ,  H01M50/105 ,  H01M50/178 ,  H01M50/569 ,  H01M50/548 ,  H01M50/296

公开(公告)号：EP4439737A1

公开(公告)日：2024-10-02

申请号：EP24161198.7

申请日：2024-03-04

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： SUZUKI, Yushi

IPC分类号： H01M4/66 ,  H01M10/0562 ,  H01M10/0585 ,  H01M50/102 ,  H01M50/121 ,  H01M50/186 ,  H01M50/545 ,  H01M50/547 ,  H01M4/04 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M10/04 ,  H01M10/0525 ,  H01M50/141 ,  H01M50/145 ,  H01M50/193

CPC分类号： H01M10/0562 ,  H01M10/0585 ,  H01M10/0436 ,  H01M50/186 ,  H01M4/043 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/663 ,  H01M4/668 ,  H01M4/666 ,  H01M10/0525 ,  H01M50/193 ,  H01M50/547 ,  H01M50/121 ,  H01M50/145 ,  H01M50/545 ,  H01M50/102 ,  H01M50/141

摘要： A thin type stacked battery includes battery pack formed by a plurality of stacked unit cells, each formed by positive electrode current collector, positive electrode, electrolyte, negative electrode, and negative electrode current collector stacked in that order, and seal material. The positive electrode current collector of one unit cell, the negative electrode current collector of another unit cell, and the seal material function as an exterior body surrounding a surrounded part. At least one of the positive electrode current collector of one unit cell and the negative electrode current collector of the other unit cell has a metal layer. At least the negative electrode current collector of one unit cell and the positive electrode current collector of the other unit cell have resin layers.

公开(公告)号：EP4391200A1

公开(公告)日：2024-06-26

申请号：EP22928471.6

申请日：2022-12-29

申请人： Contemporary Amperex Technology Co., Limited

发明人： LIN, Denghua ,  CHEN, Xinxiang ,  HUANG, Shoujun ,  CHEN, Long ,  ZHENG, Yulian ,  WANG, Peng ,  JIN, Haizu

IPC分类号： H01M50/502 ,  H01M50/512 ,  H01M50/531 ,  H01M50/547 ,  H01M50/147 ,  H01M50/572

CPC分类号： Y02E60/10 ,  H01M50/147 ,  H01M50/512 ,  H01M50/502 ,  H01M50/572 ,  H01M50/531 ,  H01M50/547

摘要： Embodiments of the present application provide a battery cell, a battery, and an electrical device. The battery cell includes a case, a first battery cell, and a second battery cell, the first battery cell being arranged inside the case, the first battery cell including a first main body part and a first electrode lead-out component extending from a first side of the first main body part, the second battery cell being arranged inside the case, and the second battery cell including a second main body part and a second electrode lead-out component extending from a second side of the second main body part, wherein the first battery cell and the second battery cell are arranged in a first direction, the first side of the first main body part and the second side of the second main body part are adjacent and arranged oppositely, the first electrode lead-out component includes a first connection surface inclined with respect to the first direction, the second electrode lead-out component includes a second connection surface inclined with respect to the first direction, and the first connection surface is electrically connected to the second connection surface. The battery cell of the present application has strong anti-extrusion capability and can effectively protect the battery cell.

公开(公告)号：EP4391163A1

公开(公告)日：2024-06-26

申请号：EP22926858.6

申请日：2022-12-07

申请人： Contemporary Amperex Technology Co., Limited

发明人： XU, Liangfan ,  ZHANG, Qianqian ,  XU, Hu ,  LI, Xing ,  NIU, Shaojun ,  JIN, Haizu

IPC分类号： H01M50/15 ,  H01M50/547 ,  H01M50/552 ,  H01M50/531

CPC分类号： H01M50/258 ,  H01M50/148 ,  H01M50/249 ,  H01M50/552 ,  H01M50/553 ,  H01M50/531 ,  H01M50/15 ,  H01M50/547 ,  H01M50/528 ,  Y02E60/10

摘要： This application provides a battery cell, a battery, and an electric device. The battery cell includes: an electrode assembly; a housing, where the housing has a first opening for accommodating the electrode assembly; an end cover configured to cover the first opening, where the end cover has a protruding structure, the protruding structure protrudes along a first direction away from the interior of the battery cell, and the first direction is a thickness direction of the end cover; and an electrode terminal, where the electrode terminal has a protruding portion protruding from the protruding structure along a second direction, and the second direction is perpendicular to the first direction. The battery cells are interconnected in the second direction through the protruding portions of the electrode terminals, which can enhance the strength of the connection between the battery cells, thereby reducing the number of cross beams or partitions to be provided between battery modules, and improving the utilization of space inside the battery.

公开(公告)号：EP4372900A1

公开(公告)日：2024-05-22

申请号：EP22841907.3

申请日：2022-06-24

申请人： Panasonic Energy Co., Ltd.

发明人： HARAGUCHI, Shin ,  KUSANO, Takumi ,  OKUTANI, Oose

IPC分类号： H01M50/55 ,  H01M50/107 ,  H01M50/152 ,  H01M50/184 ,  H01M50/188 ,  H01M50/547 ,  H01M50/559 ,  H01M50/588

CPC分类号： Y02E60/10 ,  H01M50/588 ,  H01M50/188 ,  H01M50/184 ,  H01M50/152 ,  H01M50/547 ,  H01M50/107 ,  H01M50/559 ,  H01M50/55

摘要： A cylindrical battery exemplifying one embodiment comprises an electrode assembly, a bottomed cylindrical external can that accommodates the electrode assembly, a sealing assembly that blocks an opening of the external can, a gasket that is interposed between the external can and the sealing assembly, and an external terminal plate that is joined to the outer surface of the external can. The external terminal plate is a metal plate having a thick portion and a thin portion, and the thin portion is joined to an open edge of the external can.