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

申请人： Samsung SDI Co., Ltd.

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.

公开(公告)号：EP4376210A1

公开(公告)日：2024-05-29

申请号：EP23848775.5

申请日：2023-08-08

申请人： LG ENERGY SOLUTION, LTD.

发明人： BAEK, Doo Hyun ,  CHO, Seung Su ,  BAEK, Sang Min ,  YI, Young Mi

IPC分类号： H01M50/569 ,  H01M50/183 ,  H01M50/174 ,  H01M50/105 ,  H01M50/126 ,  H01M50/211 ,  H01M10/42

CPC分类号： H01M50/126 ,  H01M50/105 ,  H01M50/211 ,  H01M50/183 ,  H01M50/174 ,  H01M50/569 ,  H01M10/42

摘要： The present invention relates to a pouch-shaped battery cell and a battery module including the same, and more particularly to a pouch-shaped battery cell including a pouch case constituted by a lower case and an upper case, an electrode assembly located in the pouch case, the electrode assembly including a positive electrode, a negative electrode, and a separator, the electrode assembly having a pair of electrode tabs formed at one side or opposite sides thereof, and a pair of electrode leads connected to the pair of electrode tabs, the pair of electrode leads protruding outwards from the pouch case, wherein a thermally fused sealed portion is formed at edges of the lower case and the upper case that face each other, and an auxiliary terminal is in contact with the first metal layer or the second metal layer so as to enclose a side end of the sealed portion, and a battery module including the same.

公开(公告)号：EP4354605A1

公开(公告)日：2024-04-17

申请号：EP23201353.2

申请日：2023-10-03

申请人： Samsung SDI Co., Ltd.

发明人： KO, Sung Gwi ,  AHN, Jeong Chull ,  PARK, Gun Gue

IPC分类号： H01M50/107 ,  H01M50/152 ,  H01M50/183 ,  H01M50/342

CPC分类号： H01M50/107 ,  H01M50/152 ,  H01M50/183 ,  H01M50/3425 ,  H01M50/171 ,  H01M50/167 ,  H01M2200/10620130101

摘要： A cylindrical secondary battery includes: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and electrically connected to the second electrode plate; a terminal passing through a lower surface of the case and electrically connected to the first electrode plate; and a cap plate sealing an upper end portion of the case and having a vent. The vent is a thinner portion of the cap plate than other regions thereof and has a central notch having a ring shape and being at a central portion of the cap plate and an inner peripheral notch having a line shape extending from the central notch toward an edge of the cap plate.

公开(公告)号：EP3817130B1

公开(公告)日：2024-07-10

申请号：EP20204496.2

申请日：2020-10-28

IPC分类号： H01M50/10 ,  H01M50/116 ,  H01M50/124 ,  H01M50/183 ,  H01M50/557 ,  B29C65/00 ,  H01M50/30

CPC分类号： H01M50/10 ,  H01M50/116 ,  H01M50/124 ,  H01M50/183 ,  H01M50/557 ,  Y02E60/10 ,  H01M50/30

公开(公告)号：EP4082758B1

公开(公告)日：2024-07-03

申请号：EP21771301.5

申请日：2021-03-09

IPC分类号： B29C65/18 ,  B29C65/00 ,  B29C65/02 ,  H01M50/116 ,  B29L31/00 ,  H01M50/10 ,  H01M10/04 ,  H01M50/105 ,  H01M50/183 ,  B29L31/34

CPC分类号： Y02E60/10 ,  Y02P70/50 ,  B29L2031/346820130101 ,  B29L2031/714620130101 ,  B29C65/18 ,  B29C66/344 ,  B29C66/8362 ,  H01M50/105 ,  H01M10/0404 ,  H01M50/183 ,  B29C66/81463 ,  B29C66/81467 ,  B29C66/81469 ,  B29C66/73921 ,  B29C66/81422 ,  B29C66/81423 ,  B29C66/8412 ,  B29C66/1122 ,  B29C66/433 ,  B29C66/919 ,  B29C66/3474 ,  B29C66/91423

公开(公告)号：EP4386950A1

公开(公告)日：2024-06-19

申请号：EP23178315.0

申请日：2023-06-09

申请人： CALB Group Co., Ltd.

发明人： QI, Binwei ,  SUN, Qianqian ,  ZHANG, Lulu

IPC分类号： H01M50/172 ,  H01M50/183 ,  H01M50/209 ,  H01M50/567 ,  F16B19/04 ,  H01M50/107 ,  H01M50/202

CPC分类号： Y02E60/10 ,  H01M50/209 ,  H01M50/103 ,  H01M50/172 ,  H01M50/567 ,  H01M50/183 ,  H01M50/107 ,  H01M50/202 ,  F16B5/045

摘要： A battery pack is provided, the battery pack including: a battery box (10) and a battery (20) provided in the battery box (10), the battery (20) including: a battery housing (21); a pole (22) provided on the battery housing (21) and provided towards a bottom surface of the battery box (10); a riveted portion (221) being formed on the pole (22), and the riveted portion (221) being riveted with the battery housing (21). By forming the riveted portion on the pole, and riveting the riveted portion with the battery housing, the fixing strength of the battery housing and the pole can be improved, and the risk that the seal between the pole and the battery housing fails and the electrical connection of the battery fails when the pole is stressed can be avoided, thereby improving the safe use performance of the battery pack.

公开(公告)号：EP4439839A1

公开(公告)日：2024-10-02

申请号：EP22911996.1

申请日：2022-12-22

申请人： LG Energy Solution, Ltd.

发明人： KANG, Min Hyeong ,  KIM, Sang Hun ,  YU, Hyung Kyun ,  HWANG, Soo Ji ,  SONG, Dae Woong ,  LIM, Hun Hee

IPC分类号： H01M50/30 ,  H01M10/04 ,  H01M50/105 ,  H01M50/124 ,  H01M50/183 ,  H01M10/052

CPC分类号： Y02E60/10 ,  H01M10/052 ,  H01M50/30 ,  H01M50/105 ,  H01M10/04 ,  H01M50/124 ,  H01M50/183

摘要： The present invention relates to a high-strength battery case with less cracking during molding and less damage caused by external impact, wherein the battery case of the present invention is composed a pouch-type battery case composed of a pouch film laminate body including a gas barrier layer, a base layer disposed on one surface of the gas barrier layer, and a sealant layer disposed on the other surface of the gas barrier layer, and includes at least one cup portion having a recessed shape so as to accommodate an electrode assembly, and a terrace positioned in at least a portion of the circumference of the cup portion, wherein the cup portion includes a bottom surface and a plurality of circumference surfaces surrounding the bottom surface, and the thickness of the gas barrier layer is greater than 30 um at a corner at which the bottom surface comes into contact with a pair of circumferences adjacent to each other.

公开(公告)号：EP4398407A1

公开(公告)日：2024-07-10

申请号：EP23835717.2

申请日：2023-06-21

申请人： LG Energy Solution, Ltd.

发明人： WOO, Min Ki ,  ANH, Chang Bum ,  CHOI, Byung Man ,  JUNG, Jea Bong

IPC分类号： H01M50/531 ,  H01M50/105 ,  H01M50/536 ,  H01M50/538 ,  H01M50/183 ,  H01M50/19 ,  H01M50/124

CPC分类号： H01M50/105 ,  H01M50/531 ,  H01M50/124 ,  H01M50/19 ,  H01M50/183 ,  H01M50/536 ,  H01M50/538 ,  Y02E60/10

摘要： The present invention relates to a pouch-shaped secondary battery having a protective film with improved adhesion and a method of manufacturing the same, and more particularly to a pouch-shaped secondary battery including a case configured to have a laminate sheet structure, an electrode assembly received in the case, an electrode tab extending from the electrode assembly, an electrode lead having one side connected to the electrode tab and another side protruding out of the case, and a protective film located on an upper surface and a lower surface of a weld (W) of the electrode tab and the electrode lead, wherein the protective film includes an ethylene-vinyl acetate copolymer (EVA)-based adhesive layer disposed in tight contact with the surface of the weld and a support layer located on one surface of the adhesive layer, the support layer being made of at least one of polypylene (PP), cast polypylene (CPP), and polyethylene terephthalate (PET), or a method of manufacturing the same.

公开(公告)号：EP4394960A1

公开(公告)日：2024-07-03

申请号：EP23215404.7

申请日：2023-12-11

申请人： Standard Energy Inc.

发明人： LEE, Dongyoung ,  PARK, Sang-Hyun

IPC分类号： H01M8/18 ,  H01M50/183

CPC分类号： H01M8/18 ,  H01M50/183

摘要： There is disclosed a battery in which a metal ion dissolved in an electrolyte is oxidized and reduced to charge or discharge the battery. The battery may include a first current collector; a second current collector spaced apart from the first current collector; a separator disposed between the first current collector and the second current collector; a frame forming a first electrode reservoir between the first current collector and the separator, and a second electrode reservoir between the second current collector and the separator; a first adhesive member binding the first current collector and the frame to each other; a second adhesive member binding the second current collector and the frame to each other; and an inter-electrode communication part configured to allow the first electrode reservoir and the second electrode reservoir to be in fluidic communication with each other. At least part of the inter-electrode communication part may be formed by the first adhesive member and the frame or the second adhesive member and the frame.

公开(公告)号：EP4383387A1

公开(公告)日：2024-06-12

申请号：EP23208613.2

申请日：2023-11-08

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： KOMURA, Shingo ,  KONDO, Yushi

IPC分类号： H01M10/04 ,  H01M50/183 ,  H01M50/627 ,  H01M50/645

CPC分类号： H01M50/645 ,  H01M50/627 ,  H01M50/183 ,  H01M10/04 ,  H01M10/0418 ,  H01M10/044

摘要： A manufacturing method of a power storage module (1) includes a stacking process of stacking a plurality of bipolar electrodes (100), a positive terminal electrode (200), and a negative terminal electrode (300), a sealing process of forming a sealing member (20) that seals a space (R) on a peripheral edge portion of each electrode (100, 200, 300) in an electrode laminate (10) such that sealing member (20) is formed while holding a liquid injection member (30), an insulation inspection process of inspecting an insulation state between a positive electrode uncoated portion (112b) and a negative electrode uncoated portion (113b), by applying a voltage to electrode laminate (10) in a state where the inside of sealing member (20) is depressurized from liquid injection member (30), a liquid injection process of supplying an electrolyte solution from liquid injection member (30) into sealing member (20) after the insulation inspection process, and a charging process of charging electrode laminate (10).