公开(公告)号：US20240055695A1

公开(公告)日：2024-02-15

申请号：US18484720

申请日：2023-10-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie YOU ,  Yongguang WANG ,  Peng WANG ,  Linggang ZHOU ,  Xingdi CHEN

IPC: H01M10/6554 ,  H01M10/613 ,  H01M50/249 ,  H01M50/204 ,  H01M50/233

CPC classification number: H01M10/6554 ,  H01M10/613 ,  H01M50/249 ,  H01M50/204 ,  H01M50/233 ,  H01M2220/20

Abstract: The present application relates to a battery pack, a method for manufacturing a battery pack and a vehicle. The battery pack includes a case assembly including a case, a thermally conductive beam and a temperature control component, the thermally conductive beam being disposed in the case and connected to the case, and the temperature control component being disposed in a bottom region of the case; a thermally conductive cover connected to the thermally conductive beam and located above the thermally conductive beam along a height direction of the battery pack, where the thermally conductive cover, the case and the thermally conductive beam enclose and form a first chamber; and a plurality of battery cells integrally forming a battery assembly, the battery assembly being disposed in the first chamber and located above the temperature control component.

公开(公告)号：US20230420793A1

公开(公告)日：2023-12-28

申请号：US18464845

申请日：2023-09-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin ZHOU ,  Ting ZHENG ,  Wenzhong LIU ,  Kaihuan YANG ,  Quankun LI ,  Peng WANG

IPC: H01M50/342 ,  H01M50/15

CPC classification number: H01M50/3425 ,  H01M50/15 ,  H01M2220/20

Abstract: A pressure relief apparatus includes a pressure relief portion provided with a first surface and a second surface arranged opposite to each other in a thickness direction of the pressure relief portion, and at least one stage of depressed groove and an indented groove. The at least one stage of depressed groove and the indented groove are formed in the pressure relief portion in sequence in a direction from the first surface to the second surface. A groove bottom wall of the stage of depressed groove farthest away from the first surface among the at least one stage of depressed groove is provided with an opening area. The indented groove is formed along an edge of the opening area. The opening area is configured to be openable with the stage of indented groove farthest away from the first surface as a boundary.

公开(公告)号：US20230361438A1

公开(公告)日：2023-11-09

申请号：US18353605

申请日：2023-07-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Denghua LIN ,  Jie SUN ,  Zhijun GUO ,  Yongbin WU ,  Peng WANG ,  Haizu JIN

IPC: H01M50/593

CPC classification number: H01M50/593 ,  H01M2220/20

Abstract: A battery cell includes a housing having an opening, a cover plate configured to close the opening, and an electrode assembly disposed in the housing and including a main body and a tab extending from an end of the main body along a first direction. The cover plate is located on a side of the main body along a second direction perpendicular to the first direction. The battery cell further includes a first insulation piece disposed between the electrode assembly and the cover plate to dielectrically insulate the electrode assembly from the cover plate, and a second insulation piece disposed between the main body and an inner surface of the housing to dielectrically insulate the tab from the housing. The second insulation piece and the first insulation piece are discretely disposed and connected to each other.

公开(公告)号：US20230361423A1

公开(公告)日：2023-11-09

申请号：US18224580

申请日：2023-07-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Langchao HU ,  Xiaoteng HUANG ,  Haiqi YANG ,  Chenyi XU ,  Xiaozhi WU ,  Peng WANG ,  Zhanyu SUN

IPC: H01M50/317 ,  H01M50/204 ,  H01M10/04 ,  H01M50/383

CPC classification number: H01M50/383 ,  H01M10/04 ,  H01M50/204 ,  H01M50/317 ,  H01M2220/20

Abstract: A battery may include: a battery cell, where a pressure relief structure may be provided on a first wall of the battery cell; a fire-extinguishing pipeline to accommodate a fire-extinguishing medium, and the fire-extinguishing pipeline may be configured to discharge the fire-extinguishing medium during actuation of the pressure relief structure; a first fastener, where the first fastener may be fastened to a surface of the first wall of the battery cell away from the interior of the battery cell, and the first fastener may be provided with a first limiting portion; and a second fastener, where the second fastener may be provided on a side of the first fastener away from the battery cell, the second fastener may be provided with a second limiting portion, and the second limiting portion may cooperate with the first limiting portion to fasten the fire-extinguishing pipeline between the first fastener and the second fastener.

公开(公告)号：US20230327264A1

公开(公告)日：2023-10-12

申请号：US18333292

申请日：2023-06-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/262 ,  H01M50/213 ,  H01M50/291

CPC classification number: H01M50/262 ,  H01M50/213 ,  H01M50/291 ,  H01M10/653

Abstract: A battery module includes N battery cell columns and N−1 spacer plates. Each of the N battery cell columns includes a plurality of battery cells arranged in a first direction. The N battery cell columns are arranged in a second direction. N is an integer greater than 1, and the first direction being perpendicular to the second direction. A spacer plate extends in the first direction and is disposed between two adjacent battery cell columns of the N battery cell columns. The spacer plate is fixedly coupled to each battery cell in the two adjacent battery cell columns. An end part of the spacer plate in the first direction is provided with a fixing structure, and the fixing structure is configured to fix the spacer plate to a box body configured to accommodate the battery module.

公开(公告)号：US20230261299A1

公开(公告)日：2023-08-17

申请号：US18296992

申请日：2023-04-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/207 ,  H01M10/6555 ,  H01M10/6556 ,  H01M10/6551 ,  H01M10/6567

CPC classification number: H01M50/207 ,  H01M10/6555 ,  H01M10/6556 ,  H01M10/6551 ,  H01M10/6567

Abstract: A battery includes two battery unit layers and a thermal management component positioned between the two battery unit layers. Each battery unit layer has a wavy shape and includes a plurality of battery cells arranged in an array. Each of the battery cells having an arc-shaped outer wall. The thermal management component has a wavy shape corresponding to the wavy shape of each of the battery unit layers, the thermal management component being configured to provide support to at least one battery unit layer of the two battery unit layers in a gravitational direction and a first direction, and the gravitational direction intersecting the first direction, wherein the thermal management component comprises a reinforcing structure configured to provide further support to the at least one battery unit layer in the first direction.

公开(公告)号：US20230198087A1

公开(公告)日：2023-06-22

申请号：US18172036

申请日：2023-02-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shiyao ZHANG ,  Quankun LI ,  Peng WANG ,  Zhanyu SUN ,  Siying HUANG ,  Jinmei XU

IPC: H01M50/342 ,  H01M50/543 ,  H01M50/578 ,  H01M50/20 ,  H01M50/147 ,  H01M10/04

CPC classification number: H01M50/342 ,  H01M50/543 ,  H01M50/578 ,  H01M50/20 ,  H01M50/147 ,  H01M10/0413 ,  H01M2200/00

Abstract: A cover assembly includes a cover plate including a gas vent, a gas exhaust valve configured to seal the gas vent and deform in response to an increase in temperature to get out of a state of sealing the gas vent, and a sealing part. The gas exhaust valve includes a metal sheet and a fixing part. The metal sheet seals the gas vent. The sealing part is arranged between the metal sheet and the cover plate for sealing a gap between the metal sheet and the cover plate. The fixing part is connected to the metal sheet. The metal sheet is fixed to the cover plate by the fixing part. The fixing part is configured to deform in response to an increase in temperature in such a manner that the metal sheet gets out of the state of sealing the gas vent.

公开(公告)号：US20230178860A1

公开(公告)日：2023-06-08

申请号：US18098130

申请日：2023-01-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Denghua LIN ,  Zhijun GUO ,  Peng WANG ,  Haizu JIN

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/176 ,  H01M4/70 ,  H01M50/536

CPC classification number: H01M50/533 ,  H01M4/70 ,  H01M50/103 ,  H01M50/176 ,  H01M50/536

Abstract: A battery cell may include a housing; an end cap assembly comprising a cover plate and an electrode terminal; an electrode assembly comprising a main body and a tab extending from an end of the main body in a first direction, the first direction being perpendicular to a second direction; and a current collecting structure comprising a terminal connecting portion and a tab connecting portion that may be separately provided and connected to each other, and the tab connecting portion being configured such that: the tab connecting portion has a rigidity less than the rigidity of the terminal connecting portion to allow a relative movement between the cover plate and the electrode assembly by means of deformation of the tab connecting portion.

公开(公告)号：US20230163391A1

公开(公告)日：2023-05-25

申请号：US18153711

申请日：2023-01-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/242 ,  H01M50/204 ,  H01M50/533

CPC classification number: H01M50/242 ,  H01M50/204 ,  H01M50/533

Abstract: A battery includes a battery cell matrix including a plurality of battery cells arranged in M rows and N columns. M and N are integers larger than or equal to 2. Each battery cell includes a casing, two end caps arranged along a column direction, and two electrode terminals arranged at the two end caps, respectively. In the column direction, electrode terminals of two adjacent battery cells are opposite and coupled to each other. The battery further includes a reinforcing plate extending in a row direction and fixed to the casings of the N columns of battery cells. A size of the reinforcing plate in the column direction is smaller than a size of the battery cells in the column direction. The reinforcing plate is fixed to the casings of the battery cells in two adjacent rows among the M rows.

公开(公告)号：US20230134692A1

公开(公告)日：2023-05-04

申请号：US18087404

申请日：2022-12-22

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yongguang WANG ,  Yu TANG ,  Xingdi CHEN ,  Peng WANG ,  Jinqing JI ,  Mu QIAN

IPC: H01M50/242 ,  H01M50/222 ,  H01M50/264

Abstract: The present disclosure relates to a battery pack and an apparatus using the battery pack as a power supply, and relates to the technical field of batteries, to optimize performance of the battery pack. The battery pack includes a box body, a battery module, a module electrical connection piece, and a first protecting assembly. The battery module is mounted in the box body, and the battery module includes an anti-explosion assembly. The module electrical connection piece is mounted on the battery module. The first protecting assembly is mounted in the box body and is configured to protect the module electrical connection piece when an ejecta discharged from the anti-explosion assembly impacts the module electrical connection piece. The above technical scheme reduces probability of secondary short circuit of the battery pack.