公开(公告)号：US20240356111A1

公开(公告)日：2024-10-24

申请号：US18701132

申请日：2022-12-13

申请人： Samsung SDI Co., Ltd.

发明人： Hyun Soo LEE

IPC分类号： H01M50/103 ,  H01M50/169 ,  H01M50/342 ,  H01M50/528 ,  H01M50/54 ,  H01M50/557

CPC分类号： H01M50/103 ,  H01M50/169 ,  H01M50/3425 ,  H01M50/528 ,  H01M50/54 ,  H01M50/557

摘要： In the present disclosure, a secondary battery in which seating and coupling of an electrode assembly may be easily performed is disclosed.
For example, a secondary battery including: a first case including a first plate portion having a rectangular shape, and a second plate portion and a third plate portion formed along a short side of the first plate portion; a second case including a rectangular-shaped first plate portion corresponding to the first case, and a second plate portion and a third plate portion formed along a long side of the first plate portion of the first plate portion; and an electrode assembly accommodated in an inner space in which the first case and the second case are coupled, wherein the first case and the second case are engaged with and coupled to each other, is disclosed.

公开(公告)号：US20240322309A1

公开(公告)日：2024-09-26

申请号：US18732279

申请日：2024-06-03

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Wei CHEN ,  Chuan LI ,  Zhijun GUO ,  Yuyong LEI ,  Donglai ZHENG

IPC分类号： H01M50/133 ,  H01M50/169

CPC分类号： H01M50/133 ,  H01M50/169

摘要： A housing of a battery cell has an opening at an end in a first direction and includes a first side plate, a second side plate and a first connection plate. The first side plate and the second side plate are arranged in a circumferential direction of the opening, the first connection plate is connected between the first side plate and the second side plate, and at least a part of the first connection plate is arcuate. The first side plate includes a first plate portion, a second plate portion and a third plate portion, the second plate portion is connected between the first plate portion and the first connection plate, and the third plate portion is located at a side of the first plate portion close to the opening.

公开(公告)号：US12095101B2

公开(公告)日：2024-09-17

申请号：US17535178

申请日：2021-11-24

申请人： SP SYSTEMS CO., LTD.

发明人： Sung Hwan Lee

IPC分类号： H01M50/169 ,  H01M50/184

CPC分类号： H01M50/169 ,  H01M50/184

摘要： Provided is a cap plate welding assembly for an electric vehicle secondary battery, the cap plate welding assembly including: an anode part cap plate provided with first horizontal planes formed long in left and right directions on a front surface and a rear surface thereof, respectively, and first vertical planes perpendicular to the first horizontal planes and formed in front and rear directions on a left side surface and a right side surface thereof, respectively; and a cathode part cap plate provided with second horizontal planes formed long in the left and right directions on a front surface and a rear surface thereof, respectively, and second vertical planes formed in the front and rear directions on a left side surface and a right side surface thereof, respectively.

公开(公告)号：US20240304936A1

公开(公告)日：2024-09-12

申请号：US18600703

申请日：2024-03-09

申请人： JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.

发明人： Yanping CHEN ,  Yang DING ,  Linlin SONG

IPC分类号： H01M50/325 ,  H01M50/169

CPC分类号： H01M50/325 ,  H01M50/169

摘要： Disclosed are an explosion-proof valve, a battery top cover and a lithium battery. The explosion-proof valve specifically includes an explosion-proof valve cover and an explosion-proof valve seat, the explosion-proof valve seat being provided with a valve hole; the explosion-proof valve seat includes a first inner ring part and a first outer ring part, the explosion-proof valve cover being connected to the first inner ring part in a non-welded manner and sealing the valve hole, wherein the explosion-proof valve cover deforms at a temperature higher than a preset temperature control threshold, and a crack or a gap is formed between the deformed explosion-proof valve cover and the explosion-proof valve seat; therefore, high-temperature gas is discharged from the crack or the gap to avoid accidents caused by thermal runaway of the lithium battery.

公开(公告)号：US20240304911A1

公开(公告)日：2024-09-12

申请号：US18544448

申请日：2023-12-19

申请人： Prime Planet Energy & Solutions, Inc.

发明人： Yozo UCHIDA

IPC分类号： H01M50/169 ,  H01M10/04 ,  H01M50/103 ,  H01M50/136 ,  H01M50/15

CPC分类号： H01M50/169 ,  H01M10/0431 ,  H01M50/103 ,  H01M50/136 ,  H01M50/15

摘要： A power storage device includes a rectangular box-shaped case and an electrode body housed therein. An opening peripheral portion of a case body of the case is bent to the inside of the opening. A lid peripheral portion of the lid member is bent on an inner surface side. The lid peripheral portion and the opening peripheral portion are hermetically jointed together while the lid peripheral portion stacked on the opening peripheral portion on the outside in its thickness direction over a ring-band shaped range. An electrode laminated portion of the electrode body is elastically compressed in an electrode-body thickness direction by a first main wall portion and a second main wall portion of the case having the elasticity.

公开(公告)号：US20240283062A1

公开(公告)日：2024-08-22

申请号：US18651636

申请日：2024-04-30

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Quanzhuang HUANG ,  Qi CHENG ,  Jiang LIN ,  Chuandong LIN ,  Weiwei WANG

IPC分类号： H01M50/15 ,  H01M50/103 ,  H01M50/169 ,  H01M50/548

CPC分类号： H01M50/15 ,  H01M50/103 ,  H01M50/169 ,  H01M50/548

摘要： A battery cell includes a shell and an end cap assembly, the shell being provided with an opening, and the end cap assembly including an end cap, an insulating member and an inner terminal, wherein the end cap is arranged at the opening, and a surface of the end cap close to the shell is provided with an annular protrusion extending in a circumferential direction of the end cap; the annular protrusion shrinks inwards relative to an edge of the end cap to form a flange between an outer side of the annular protrusion and the edge of the end cap; the flange is arranged on a shell wall of the shell, and the annular protrusion extends into the shell; and the insulating member is arranged in a groove enclosed by the annular protrusion, and the inner terminal is arranged on the insulating member.

公开(公告)号：US20240250392A1

公开(公告)日：2024-07-25

申请号：US18289218

申请日：2023-04-04

申请人： LG ENERGY SOLUTION, LTD.

发明人： Cheon Hee BOK ,  Kyung Hwan JUNG ,  Dong Myung KIM ,  Hyung Joon JUN ,  Sang Pil WOO

IPC分类号： H01M50/566 ,  H01M10/04 ,  H01M50/103 ,  H01M50/15 ,  H01M50/169 ,  H01M50/342 ,  H01M50/538 ,  H01M50/55

CPC分类号： H01M50/566 ,  H01M10/0431 ,  H01M50/103 ,  H01M50/15 ,  H01M50/169 ,  H01M50/3425 ,  H01M50/538 ,  H01M50/55

摘要： Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side direction; a lower case having an open upper surface and housing the electrode assembly therein; and an upper case covering the open upper surface of the lower case, wherein the upper case includes: a first terminal part bent from a top surface of the upper case corresponding to the open upper surface of the lower case and extending downwardly in the first side direction; and a second terminal part bent from the top surface of the upper case and extending downwardly in the second side direction, wherein the first electrode lead part is electrically connected to the first terminal part, and the second electrode lead part is electrically connected to the second terminal part.

公开(公告)号：US20240243405A1

公开(公告)日：2024-07-18

申请号：US18619247

申请日：2024-03-28

申请人： GS Yuasa International Ltd.

发明人： Satoru KAWAKAMI

IPC分类号： H01M50/242 ,  H01M50/133 ,  H01M50/15 ,  H01M50/169 ,  H01M50/209

CPC分类号： H01M50/242 ,  H01M50/133 ,  H01M50/15 ,  H01M50/169 ,  H01M50/209

摘要： An energy storage apparatus includes a pair of end members positioned in first direction and opposed to each other, and energy storage devices arrayed in the first direction between the pair of end members. Each of the energy storage devices includes an electrode assembly and a case accommodating the electrode assembly. The case has a pair of side wall portions opposed to each other. The energy storage devices include an energy storage device positioned adjacent to one of the end members such that a wall thickness of one side wall portion adjacent to the one of the end members is larger than a wall thickness of the other side wall portion in the energy storage device.

公开(公告)号：US20240243398A1

公开(公告)日：2024-07-18

申请号：US18002858

申请日：2022-10-17

申请人： EVE POWER CO., LTD.

发明人： Shangyi Li ,  Liangliang YUE ,  Zhiming WANG

IPC分类号： H01M50/164 ,  H01M50/134 ,  H01M50/152 ,  H01M50/159 ,  H01M50/16 ,  H01M50/169 ,  H01M50/179 ,  H01M50/186

CPC分类号： H01M50/164 ,  H01M50/134 ,  H01M50/152 ,  H01M50/159 ,  H01M50/16 ,  H01M50/169 ,  H01M50/179 ,  H01M50/186

摘要： The present application provides a top cap assembly and a battery structure. The battery includes a housing including a mounting hole, and the top cap assembly passes through the mounting hole of the housing. The top cap assembly includes a pole, a sealing element, and a plastic element. The pole is provided with an annular groove recessed in a radial direction. The sealing element is sleeved on the pole and positioned in the annular groove. The sealing element is sandwiched between the housing and a groove wall of the annular groove, and the sealing element is partially positioned outside the housing. The plastic element is sleeved on the sealing element and positioned outside the housing, and the plastic element is partially sandwiched between the housing and the groove wall of the annular groove.

公开(公告)号：US20240213583A1

公开(公告)日：2024-06-27

申请号：US18146786

申请日：2022-12-27

申请人： Rivian IP Holdings, LLC

发明人： Prajanya Sunil Kendrekar ,  Susheel Teja Gogineni ,  Victor Ken Prajapati

IPC分类号： H01M50/103 ,  H01M10/04 ,  H01M50/15 ,  H01M50/169 ,  H01M50/209 ,  H01M50/502

CPC分类号： H01M50/103 ,  H01M10/049 ,  H01M50/15 ,  H01M50/169 ,  H01M50/209 ,  H01M50/502 ,  H01M2220/20

摘要： A system can include a first battery cell that can include a body defining a first open area, a second open area, and a first side having a first terminal. The first battery cell can include a first enclosure member to couple with the body at the first open area and a second enclosure member to couple with the body at the second open area. The system can include a second battery cell that can include a body defining a first open area, a second open area, and a first side having a second terminal. The second battery cell can include a first enclosure member to couple with the body at the first open area and a second enclosure member to couple with the body at the second open area. The first battery cell can couple with the second battery cell by connecting the first terminal with the second terminal.