公开(公告)号：US20230261312A1

公开(公告)日：2023-08-17

申请号：US18138441

申请日：2023-04-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Liangfan XU ,  Ningsheng WU ,  Quankun LI ,  Peng WANG

IPC: H01M50/342 ,  H01M50/474 ,  H01M50/147

CPC classification number: H01M50/3425 ,  H01M50/147 ,  H01M50/474 ,  H01M2220/20

Abstract: The present application provides an end cover assembly used for a battery cell. The end cover assembly includes: an end cover; a pressure relief mechanism arranged on the end cover and including a weak portion, the pressure relief mechanism being configured to rupture along the weak portion to release the pressure inside the battery cell when the pressure reaches a threshold; and an insulating member located on one side of the end cover facing an electrode assembly of the battery cell and including a base portion connected to the end cover and a guide portion arranged on the base portion communicating the space between the base portion and the pressure relief mechanism with the space on one side of the base portion facing away from the weak portion. In a thickness direction of the end cover, a projection of the guide portion does not overlap with a projection of the weak portion.

公开(公告)号：US20230231255A1

公开(公告)日：2023-07-20

申请号：US17947079

申请日：2022-09-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chao LONG ,  Xingdi CHEN ,  Peng WANG

IPC: H01M50/242 ,  H01M50/543 ,  H01M50/249 ,  H01M50/209 ,  H01M50/271 ,  H01M50/30 ,  H01M50/375

CPC classification number: H01M50/242 ,  H01M50/543 ,  H01M50/249 ,  H01M50/209 ,  H01M50/271 ,  H01M50/30 ,  H01M50/375 ,  H01M2220/20

Abstract: Embodiments of the present disclosure provide a battery, an electric device, a method for preparing a battery, and a device for preparing a battery. The battery comprises: a battery cell; a case, configured to accommodate the battery cell; and a protective member, provided in the case, wherein an end portion of the protective member is fixed to the case in a first direction, an electrode terminal is formed at at least one end of the battery cell in a second direction, and the second direction is perpendicular to the first direction; the protective member has a protective portion, the protective portion is supported on the case in the second direction, and the protective portion protrudes beyond the electrode terminal in the second direction, so that the electrode terminal and the case have a gap in the second direction, so as to protect the electrode terminal.

公开(公告)号：US20230140187A1

公开(公告)日：2023-05-04

申请号：US18148237

申请日：2022-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chengyou XING ,  Yulian ZHENG ,  Taosheng ZHU ,  Peng WANG ,  Zhijun GUO

IPC: H01R11/05 ,  H01M50/531 ,  H01M50/50

Abstract: A rechargeable battery includes a battery core and a connection member. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate and connected to a tab of the battery core. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. The tab extends from a side of a core body of the battery core in a width direction. At least a portion of the guide plate protrudes, relative to the first connecting plate, towards the core body of the battery core to form a protrusion, and the protrusion abuts against the battery core.

公开(公告)号：US20230136854A1

公开(公告)日：2023-05-04

申请号：US18148184

申请日：2022-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chengyou XING ,  Yulian ZHENG ,  Taosheng ZHU ,  Peng WANG ,  Zhijun GUO

IPC: H01R11/05 ,  H01M50/531 ,  H01M50/50

Abstract: A rechargeable battery includes a battery core, a connection member, and a gasket. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate and connected to a tab of the battery core. The first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. The gasket is fastened to the first connecting plate and the tab. The tab is sandwiched between the first connecting plate and the gasket.

公开(公告)号：US20230026926A1

公开(公告)日：2023-01-26

申请号：US17464048

申请日：2021-09-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu SUN ,  Lei WANG ,  Xingdi CHEN ,  Peng WANG

IPC: H01M10/6555 ,  H01M10/613 ,  H01M10/615 ,  H01M50/262 ,  H01M50/209

Abstract: Provided is a battery, a power consumption device, a method and device for producing a battery. The battery includes: a battery module and a box body, the battery module accommodated in the box body; the battery module including: N rows of battery cells, each row of battery cells arranged along a first direction, and the N rows of battery cells arranged along a second direction, and N being an integer greater than 1; N−1 spacer plate(s), the spacer plate extending along the first direction and disposed between two adjacent rows of battery cells, and the spacer plate fixedly connected to each of the battery cells in the two rows of the battery cells; where a fixing structure is provided on an end portion of the spacer plate in the first direction, and the spacer plate is fixed to the box body via the fixing structure.

公开(公告)号：US20230012596A1

公开(公告)日：2023-01-19

申请号：US17946096

申请日：2022-09-16

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun LI ,  Peng WANG ,  Taosheng ZHU ,  Baisong CHEN

IPC: H01M50/528 ,  H01M50/147 ,  H01M50/148 ,  H01M50/155 ,  H01M50/172 ,  H01M50/502 ,  H01M50/543 ,  H01M10/42

Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.

公开(公告)号：US20220384904A1

公开(公告)日：2022-12-01

申请号：US17701905

申请日：2022-03-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shoujun HUANG ,  Yanyu LIU ,  Xinxiang CHEN ,  Yulian ZHENG ,  Peng WANG

IPC: H01M50/325 ,  H01M10/04

Abstract: The present application provides an end cover assembly, a battery cell, a battery, an electric device and a method for preparing a battery cell and an apparatus for manufacturing a battery cell. The present application provides an end cover assembly, where the end cover assembly includes: a cover plate provided with a pressure relief hole; a fixing member fixed on the cover plate, the fixing member having a first through hole and a second through hole, and the first through hole being opposite to the pressure relief hole; and a gas permeable membrane covering at least a portion of the pressure relief hole, an edge part of the gas permeable membrane being connected to the fixing member, and a portion of the edge part being embedded into the second through hole, so as to prevent the edge part from moving relative to the fixing member.

公开(公告)号：US20220367996A1

公开(公告)日：2022-11-17

申请号：US17622024

申请日：2020-09-07

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xinxiang CHEN ,  Shoujun HUANG ,  Yulian ZHENG ,  Peng WANG ,  Wei LI ,  Chengdu LIANG

IPC: H01M50/655 ,  H01M50/15 ,  H01M50/186 ,  H01M50/342 ,  H01M50/308 ,  H01M50/184 ,  H01M50/103 ,  H01M50/209

Abstract: An end cover assembly includes: an end cover with a through hole for injecting electrolyte and a first clamping portion, wherein the first clamping portion is disposed along a circumferential direction of the through hole and is located on one side of the end cover away from an interior of the battery cell; a sealing ring for sealing the through hole; and a pressure relief device covering at least part of the sealing ring and closing the through hole; wherein the pressure relief device includes a second clamping portion, and is rotatable such that when the pressure relief device is rotated to a first position, the second clamping portion is clamped with the first clamping portion; and when the pressure relief device is rotated to a second position, the second clamping portion is disengaged from the first clamping portion.

公开(公告)号：US20220352573A1

公开(公告)日：2022-11-03

申请号：US17528600

申请日：2021-11-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei WANG ,  Wenlin ZHOU ,  Xing LI ,  Peng WANG ,  Quankun LI ,  Xingdi CHEN ,  Yulian ZHENG

IPC: H01M10/653 ,  H01M10/613 ,  H01M50/15 ,  H01M50/55 ,  H01M50/531

Abstract: The embodiments of this application provide a battery cell, a battery, a power consumption device, and a battery manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes a housing, an electrode assembly, and an end cover assembly. The electrode assembly is configured to be accommodated in the housing, and includes a main body portion and a tab. The end cover assembly includes an end cover configured to cover the opening and an electrode terminal mounted on the end cover and is configured to be electrically connected to the tab. The end cover includes a first body, which has a first inner surface and a first outer surface arranged opposite to each other in a thickness direction of the first body, and a first protruding portion, which protrudes from the first outer surface in a direction departing from the main body portion.

公开(公告)号：US20220320613A1

公开(公告)日：2022-10-06

申请号：US17846469

申请日：2022-06-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei WANG ,  Feng QIN ,  Peng WANG ,  Jinfeng LI

IPC: H01M10/48 ,  H01M50/543

Abstract: Embodiments of this application provide a battery, an electric apparatus, and a method and an apparatus for preparing a battery. The battery includes: a battery unit, including a plurality of battery cells, where the plurality of battery cells are arranged in a first direction and electrically connected to each other, each of the battery cells includes a can and two electrode terminals of opposite polarities, the two electrode terminals are respectively disposed at two ends of the can in the first direction, and at least one of the electrode terminals protrudes from the can in a direction leaving an interior of the battery cell; and a sampling member, where the sampling member is at least partially located between two adjacent ones of the battery cells, connected to the electrode terminals protruding from the can, and configured to perform signal collection on the connected battery cells.