公开(公告)号：US20240347847A1

公开(公告)日：2024-10-17

申请号：US18597586

申请日：2024-03-06

申请人： LG Energy Solution, Ltd.

发明人： Chang Je Lee ,  In Seok Lee ,  Gi Hoon Myoung

IPC分类号： H01M50/342 ,  H01M50/105 ,  H01M50/136 ,  H01M50/186

CPC分类号： H01M50/3425 ,  H01M50/105 ,  H01M50/136 ,  H01M50/186

摘要： Provided is a pouch type battery cell, in which an electrode assembly may be accommodated between a first case and a second case. The pouch type battery cell may include: a cup part provided in at least one of the first case or the second case and configured to accommodate the electrode assembly; a folding part in which an edge portion of the first case surrounds an edge portion of the second case so that a discharge passage is provided between the edge portion of the first case and the edge portion of the second case; a sealing part such that when an internal pressure of the cup part increases, the cup part and the discharge passage communicate with each other.

公开(公告)号：US20240332759A1

公开(公告)日：2024-10-03

申请号：US18622279

申请日：2024-03-29

申请人： Xiamen Ampack Technology Limited

发明人： Wenbin NONG ,  Kunlong LI ,  Pengfei WANG

IPC分类号： H01M50/569 ,  H01M50/186 ,  H01M50/264

CPC分类号： H01M50/569 ,  H01M50/186 ,  H01M50/264

摘要： A battery module includes an acquisition assembly and a plurality of cell units arranged along a first direction. Each of the cell units includes a battery cell and a bracket. The battery cell includes an electrode assembly, a cell housing, and an electrode terminal. The cell housing includes a body portion and a first sealing portion, the electrode assembly is disposed in the body portion. The first sealing portion includes a first connecting portion. The bracket includes a first portion. The first portion covers a part of the first connecting portion, the electrode terminal extends out of the first portion. The acquisition assembly includes a lead and a plurality of sampling parts. The lead is connected to each of the sampling parts. The electrode terminals of two adjacent battery cells are stacked and connected. The sampling part is connected to any one of the interconnected electrode terminals.

公开(公告)号：US20240332646A1

公开(公告)日：2024-10-03

申请号：US18622849

申请日：2024-03-29

申请人： Xiamen Ampack Technology Limited

发明人： Kunlong LI ,  Wenbin NONG ,  Pengfei WANG

IPC分类号： H01M10/42 ,  H01M50/186 ,  H01M50/264 ,  H01M50/503

CPC分类号： H01M10/425 ,  H01M50/186 ,  H01M50/264 ,  H01M50/503

摘要： A battery module includes a collection assembly and a plurality of cell units arranged along a first direction. Each cell unit includes a cell and a bracket, the cell includes a cell housing and an electrode terminal. The cell housing includes a body portion and a first sealing portion. The first sealing portion includes a first connection portion. The bracket includes a first portion, the first portion covers a part of the first connection portion, the electrode terminal extends from the first portion. The collection assembly includes a wire and a plurality of sampling members, the wire is connected to each sampling member. At least one bracket includes a second portion, the second portion is connected to the first portion, at least one electrode terminal is disposed at the second portion, the sampling member is connected to the electrode terminal, the sampling member is fixed to the second portion.

公开(公告)号：US20240322357A1

公开(公告)日：2024-09-26

申请号：US18607689

申请日：2024-03-18

申请人： SK On Co., Ltd.

发明人： Se Hyeon KIM

IPC分类号： H01M50/367 ,  H01M50/186 ,  H01M50/204 ,  H01M50/289 ,  H01M50/342

CPC分类号： H01M50/367 ,  H01M50/3425 ,  H01M50/186 ,  H01M50/204 ,  H01M50/289

摘要： A battery pack is provided, the battery pack including: a plurality of battery modules including a cell assembly in which a plurality of battery cells are assembled and a protective cover on which the cell assembly is seated and in which a venting hole is formed; a pack case protecting the plurality of battery modules from the outside; a protective sheet disposed to face the venting hole, and configured to have a hole formed in at least a portion of the protective sheet by gas discharged from the cell assembly; and a venting guide member having an internal space, and contacting the protective sheet, wherein the venting guide member includes an exhaust portion formed on one surface in contact with the protective sheet, and the gas discharged from the cell assembly moves to the internal space of the venting guide member, passing through the protective sheet and the exhaust portion.

公开(公告)号：US12100867B2

公开(公告)日：2024-09-24

申请号：US18234496

申请日：2023-08-16

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Qichang Cai ,  Chengyou Xing ,  Libin Zhong ,  Wenwei Chen ,  Quankun Li ,  Peng Wang

IPC分类号： H01M50/645 ,  H01M50/148 ,  H01M50/186 ,  H01M50/15 ,  H01M50/60 ,  H01M50/636

CPC分类号： H01M50/645 ,  H01M50/148 ,  H01M50/186 ,  H01M50/15 ,  H01M50/60 ,  H01M50/636 ,  H01M2220/20 ,  Y02E60/10

摘要： The present application provides an end cover assembly, a secondary battery, a battery module, a device, a liquid-injection method and a device thereof. The end cover assembly for the secondary battery includes: an end cover, provided with a through hole for injecting electrolyte, and including a connecting portion; a sealing assembly, configured to seal the through hole; a locking-fixing member, configured to be movable relative to the connecting portion in a radial direction of the through hole, so as to realize switching between a locked state and an unlocked state of the locking-fixing member and the connecting portion. In the locked state, the locking-fixing member presses against the sealing assembly to restrict the end cover to be separated from the sealing assembly; in the unlocked state, the end cover and the sealing assembly are separable to allow electrolyte to be injected from the through hole.

公开(公告)号：US20240313271A1

公开(公告)日：2024-09-19

申请号：US18677928

申请日：2024-05-30

申请人： Jinhui ZENG

发明人： Jinhui ZENG

IPC分类号： H01M10/42 ,  B65B5/04 ,  B65C1/02 ,  H01M10/052 ,  H01M10/0587 ,  H01M50/119 ,  H01M50/14 ,  H01M50/152 ,  H01M50/159 ,  H01M50/186 ,  H01M50/562 ,  H01M50/566

CPC分类号： H01M10/4257 ,  B65B5/04 ,  B65C1/02 ,  H01M10/052 ,  H01M10/0587 ,  H01M50/119 ,  H01M50/14 ,  H01M50/152 ,  H01M50/159 ,  H01M50/186 ,  H01M50/562 ,  H01M50/566 ,  H01M2010/4271

摘要： The invention discloses a production process for a rechargeable cylindrical lithium battery with a built-in BMS board, which includes a cap production process, a battery cell production process and a finished product assembly and production process, solves the size and weight problems caused by the traditional external BMS by integrating the BMS board inside the cylindrical lithium battery, and has high integration level and stability, providing protection for battery charging and discharging, and improving the safety performance of the battery.

公开(公告)号：US20240297396A1

公开(公告)日：2024-09-05

申请号：US18532593

申请日：2023-12-07

申请人： Shenzhen Hithium Energy Storage Technology Co., Ltd. ,  Xiamen Hithium Energy Storage Technology Co., Ltd.

发明人： Weidong XU ,  Yongfeng XIONG ,  Feng WANG

IPC分类号： H01M50/342 ,  H01M50/147 ,  H01M50/172 ,  H01M50/186 ,  H01M50/536 ,  H01M50/578

CPC分类号： H01M50/3425 ,  H01M50/147 ,  H01M50/172 ,  H01M50/186 ,  H01M50/536 ,  H01M50/578 ,  H01M2200/20

摘要： The present disclosure provides an energy storage apparatus and a power-consuming device. The energy storage apparatus includes an electrode assembly, a connector, and an end cover assembly. The end cover assembly includes a pole assembly, a top cover, a stimulus-response member, and an explosion-proof assembly. The pole assembly includes a metal block, where the metal block is electrically connected to the connector, and the metal block has a preset surface. The top cover is disposed at an interval with the preset surface of the metal block, where the top cover defines a through hole and an explosion-proof hole arranged at an interval with each other, and an orthographic projection of the through hole on the preset surface falls within a range of the preset surface.

公开(公告)号：US20240297383A1

公开(公告)日：2024-09-05

申请号：US18176776

申请日：2023-03-01

申请人： FORD GLOBAL TECHNOLOGIES, LLC

发明人： Xiaogang Zhang

IPC分类号： H01M50/186 ,  H01M50/262

CPC分类号： H01M50/186 ,  H01M50/262 ,  H01M2220/20

摘要： Systems and methods are provided for sealing interfaces of a traction battery pack. A gasket seal may be arranged to seal an interface between a first enclosure section and a second enclosure section of an enclosure assembly of the traction battery pack. The gasket seal may be disposed within a pocket that is isolated from an interior area of the traction battery pack. A fastener (e.g., spot weld, adhesive, or both) may isolate the gasket seal from the interior area.

公开(公告)号：US20240297381A1

公开(公告)日：2024-09-05

申请号：US18661740

申请日：2024-05-13

申请人： SUZHOU MAYER NEW ENERGY CO., LTD

发明人： Donggen KONG

IPC分类号： H01M50/171 ,  H01M50/143 ,  H01M50/159 ,  H01M50/169 ,  H01M50/186 ,  H01M50/193 ,  H01M50/342

CPC分类号： H01M50/171 ,  H01M50/143 ,  H01M50/159 ,  H01M50/186 ,  H01M50/193 ,  H01M50/3425 ,  H01M50/169

摘要： A battery cover includes a cover body, a mounting opening is formed in the cover body, an explosion-proof valve is mounted in the mounting opening, at least one bursting line is arranged on at least one surface of the explosion-proof valve, the explosion-proof valve is provided with a first injection molding surface located on an outer side of the bursting line, and a plastic layer obtained by injection molding is arranged on the first injection molding surface and a second injection molding surface of the mounting opening. In the battery cover of the present application, an existing connecting and fixing process based on laser welding in the industry is replaced, avoiding negative influences caused by a high temperature during the laser welding process, realizing a stable explosion-proof value, and increasing the yield and reducing the manufacturing cost.

公开(公告)号：US12080912B2

公开(公告)日：2024-09-03

申请号：US17626895

申请日：2020-08-25

申请人： LG Energy Solution, Ltd.

发明人： Soo Ji Hwang ,  Sang Hun Kim ,  Yong Su Choi

IPC分类号： H01M50/30 ,  H01M50/105 ,  H01M50/124 ,  H01M50/186

CPC分类号： H01M50/394 ,  H01M50/105 ,  H01M50/1243 ,  H01M50/186

摘要： A battery case for a secondary battery according to an embodiment of the present invention can include a cup part having an accommodation space configured to accommodate an electrode assembly in which electrodes and separators are stacked; a sealing part extending to the outside of the cup part; a gas discharge part attached to a hole which is formed to be punched in at least one of the cup part or the sealing part from the outside and through which a gas passes; and a coating part applied to an inner circumferential surface of the hole and having electrolyte resistance, wherein the gas discharge part includes: a gas discharge layer through which the gas passes; and an outer functional layer formed on an outer surface of the gas discharge layer and having a hydrophobic property.