公开(公告)号：EP4394963A1

公开(公告)日：2024-07-03

申请号：EP23173023.5

申请日：2023-05-12

申请人： AESC Japan Ltd.

发明人： SHAN, Xueyan

IPC分类号： H01M10/04 ,  H01M10/0587 ,  H01M50/107 ,  H01M50/179 ,  H01M50/533

CPC分类号： Y02E60/10 ,  H01M50/533 ,  H01M10/0587 ,  H01M10/0422 ,  H01M50/107 ,  H01M50/179

摘要： The disclosure relates to a cylindrical cell including: a housing (1), having an end wall (11) and a surrounding wall (12) enclosing the end wall (11); an electrode pole (2), penetrating through the end wall (11) and being connected to the end wall (11) in an insulated manner; a electrode assembly (3), arranged in the housing (1), wherein the electrode assembly (3) includes a electrode assembly body (31) and a first tab (32), the first tab (32) is located at the first end of the electrode assembly body (31) facing the electrode pole (2), the orthographic projection of the first tab (32) on the first end of the electrode assembly body (31) is the first tab region (320), and the distance between any point on the outer boundary of the first tab region (320) and the inner side of the surrounding wall (12) is L1, a radius of the inner side of the surrounding wall (12) is R0, and the ratio of L1 to R0 ranges from 0.3 to 0.7.

公开(公告)号：EP4379915A1

公开(公告)日：2024-06-05

申请号：EP23209924.2

申请日：2023-11-14

申请人： Samsung SDI Co., Ltd.

发明人： Park, Jong Jun ,  Kim, Dae Kyu ,  Seo, Kwang Soo

IPC分类号： H01M50/107 ,  H01M50/152 ,  H01M50/179 ,  H01M50/342

CPC分类号： H01M50/3425 ,  H01M50/578 ,  H01M50/179 ,  H01M50/152 ,  H01M50/107

摘要： A secondary battery includes an electrode assembly; a case that accommodates the electrode assembly; and a cap assembly that is coupled to an upper portion of the case, the cap assembly including a cap up, a safety vent below the cap up, and a cap down below the safety vent and electrically connected to the electrode assembly, wherein the safety vent includes a main notch and a sub-notch adjacent to the main notch, and the sub-notch has a depth that is smaller than a depth of the main notch.

公开(公告)号：EP4047702B1

公开(公告)日：2024-06-05

申请号：EP22152207.1

申请日：2022-01-19

IPC分类号： H01M10/04 ,  H01M50/533 ,  H01M50/536 ,  H01M50/538 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/179 ,  H01M50/184 ,  H01M50/188 ,  H01M50/534 ,  H01M50/545 ,  H01M50/586 ,  H01M50/593 ,  H01M50/213 ,  H01M50/249 ,  H01M50/186 ,  H01M50/503

CPC分类号： H01M10/0431 ,  H01M50/536 ,  H01M50/186 ,  H01M2220/2020130101 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/184 ,  H01M50/538 ,  H01M50/179 ,  H01M50/534 ,  H01M50/545 ,  H01M50/188 ,  H01M50/586 ,  H01M50/593 ,  H01M50/213 ,  H01M50/249 ,  H01M50/503 ,  Y02E60/10 ,  Y02P70/50

公开(公告)号：EP4350853A1

公开(公告)日：2024-04-10

申请号：EP22884118.5

申请日：2022-10-21

申请人： LG Energy Solution, Ltd.

发明人： HWANGBO, Kwang-Su ,  LIM, Jae-Won

IPC分类号： H01M50/179 ,  H01M50/559 ,  H01M50/538 ,  H01M10/04

摘要： Disclosed is a cylindrical battery, which includes an electrode assembly; a battery housing accommodating the electrode assembly through an open portion; a current collecting plate having a support portion, a plurality of uncoated portion coupling portions coupled to the first uncoated portion, and a plurality of first housing coupling portions coupled to an inner surface of the battery housing; a cap plate covering the open portion; an electrode terminal riveted through a perforated hole formed in a closed portion of the battery housing and electrically coupled to the second uncoated portion; and an insulating gasket interposed between the electrode terminal and the perforated hole, wherein the electrode terminal includes a body portion; an outer flange portion; an inner flange portion; and a flat portion provided on an inner side of the inner flange portion.

公开(公告)号：EP4340099A1

公开(公告)日：2024-03-20

申请号：EP23196453.7

申请日：2023-09-11

申请人： Samsung SDI Co., Ltd.

发明人： JUNG, Hyun Ki ,  KIM, Myung Seob ,  LEE, Kyung Rok ,  MOON, Jin Young ,  LEE, Ho Jae ,  PARK, Byung Chul

IPC分类号： H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/179 ,  H01M50/186 ,  H01M50/531 ,  H01M50/545 ,  H01M50/548 ,  H01M50/559 ,  H01M50/593 ,  H01M50/595

摘要： A cylindrical secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate; a cylindrical case having a disk-shaped top portion and a side portion extending from the top portion, the cylindrical case accommodating the electrode assembly; a cathode terminal extending through the top portion and insulated therefrom; a first current collector plate electrically connected to the first electrode plate and the cathode terminal; a second current collector plate electrically connected to the second electrode plate and the side portion of the cylindrical case; a cap plate coupled to the side portion and insulated therefrom; and an insulation tape between the top portion of the cylindrical case and the first current collector plate and covering the first current collector plate.

公开(公告)号：EP4047725B1

公开(公告)日：2024-01-10

申请号：EP22152223.8

申请日：2022-01-19

发明人： HWANGBO, Kwang-Su ,  KIM, Do-Gyun ,  MIN, Geon-Woo ,  LIM, Hae-Jin ,  JO, Min-Ki ,  CHOI, Su-Ji ,  KANG, Bo-Hyun ,  PARK, Jong-Sik ,  LIM, Jae-Won ,  CHOE, Yu-Sung ,  KIM, Hak-Kyun ,  LEE, Je-Jun ,  LEE, Byoung-Gu ,  RYU, Duk-Hyun ,  LEE, Kwan-Hee ,  LEE, Jae-Eun ,  KIM, Jae-Wong ,  JUNG, Ji-Min ,  KONG, Jin-Hak ,  LEE, Soon-O ,  CHOI, Kyu-Hyun ,  PARK, Pil-Kyu

IPC分类号： H01M50/133 ,  H01M50/188 ,  H01M50/55 ,  H01M50/533 ,  H01M50/536 ,  H01M50/538 ,  H01M50/545 ,  H01M50/559 ,  H01M50/586 ,  H01M50/593 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/179 ,  H01M50/186 ,  H01M50/583 ,  H01M50/534 ,  H01M50/184 ,  H01M50/119 ,  H01M50/124 ,  H01M50/249 ,  H01M50/213 ,  H01M50/503

公开(公告)号：EP4290676A1

公开(公告)日：2023-12-13

申请号：EP22881171.7

申请日：2022-07-19

申请人： LG Energy Solution, Ltd.

发明人： HWANGBO, Kwang-Su ,  KIM, Do-Gyun ,  MIN, Geon-Woo ,  LIM, Hae-Jin ,  JO, Min-Ki ,  CHOI, Su-Ji ,  KANG, Bo-Hyun

IPC分类号： H01M50/55 ,  H01M50/179 ,  H01M50/538 ,  H01M50/188 ,  H01M50/593 ,  H01M50/342 ,  H01M50/249 ,  H01M10/04

摘要： A method of manufacturing a battery according to the present disclosure includes (a) preparing a battery housing having an opening at one side and a bottom having a through-hole at the other side; (b) fixing an electrode terminal to the through-hole; (c) preparing an electrode assembly including a first electrode tab formed of a first uncoated portion and a second electrode tab formed of a second uncoated portion at upper and lower parts, respectively; (d) inserting the electrode assembly into the battery housing through the opening at one side of the battery housing such that the first electrode tab faces the bottom; (e) electrically connecting the first electrode tab to the electrode terminal; and (f) covering the opening end with a cap plate.

公开(公告)号：EP3742524B1

公开(公告)日：2023-10-25

申请号：EP19741083.0

申请日：2019-01-10

发明人： LU, Peng ,  JIANG, Luxia ,  WANG, Xinyue ,  YANG, Keli

IPC分类号： H01M50/107 ,  H01M50/179 ,  H01M50/55 ,  H01M50/559 ,  H01M50/531 ,  H01M50/188

公开(公告)号：EP3518309B1

公开(公告)日：2023-07-26

申请号：EP18846535.5

申请日：2018-08-13

发明人： JO, Minki ,  LEE, Je Jun ,  JUNG, Sang Sok ,  DO, Jin Uk

IPC分类号： B23K101/38 ,  H01M50/147 ,  H01M50/179 ,  H01M50/531 ,  H01M50/574 ,  H01M10/04

公开(公告)号：EP4199199A1

公开(公告)日：2023-06-21

申请号：EP22210968.8

申请日：2022-12-01

申请人： Samsung SDI Co., Ltd.

发明人： CHOI, Woo Hyuk ,  KANG, Bong Geun ,  KWON, Jun Hwan ,  KIM, Kyoung Tae ,  KIM, Joung Ku ,  PARK, Hyun Suk ,  YANG, Jun Ho ,  LEE, Dong Sub ,  LEE, Tae Yoon

IPC分类号： H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/169 ,  H01M50/171 ,  H01M50/179 ,  H01M50/186 ,  H01M50/188 ,  H01M50/342 ,  H01M50/55

摘要： A secondary battery is provided in which a first electrode (negative electrode) terminal and a second electrode (positive electrode) terminal may be concurrently (e.g., simultaneously) implemented in a cap assembly. A secondary battery includes: a case including a beading part and a crimping part; an electrode assembly physically coupled to the case and including a first electrode plate and a second electrode plate, the first electrode plate being electrically connected to the case; a first insulating gasket between the beading part and the crimping part; a cap plate coupled between the beading part and the crimping part through the first insulating gasket; a second insulating gasket extending through and coupled to the cap plate; and a rivet terminal extending through and physically coupled to the second insulating gasket, wherein the rivet terminal is electrically connected to the second electrode plate of the electrode assembly.