公开(公告)号：US20220384906A1

公开(公告)日：2022-12-01

申请号：US17847185

申请日：2022-06-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/358 ,  H01M50/186 ,  H01M10/0525 ,  H01M10/0587

Abstract: The application relates to an end cover assembly, a battery cell, a battery, and a device and method for manufacturing a battery cell. The end cover assembly is used for a battery cell, and includes a cover plate, the cover plate is provided with a pressure relief hole penetrating through the cover plate in a thickness direction, a breathable film, arranged opposite to the pressure relief hole and configured to exhaust gas inside the battery cell, a projection of the breathable film in the thickness direction does not overlap with a projection of the cover plate in the thickness direction; and a fixing member, configured to connect the cover plate to fix the breathable film. The application intends to solve the problem of a large space occupied by the breathable film.

公开(公告)号：US20220263201A1

公开(公告)日：2022-08-18

申请号：US17735511

申请日：2022-05-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang WANG ,  Xingdi CHEN ,  Peng WANG ,  Yu TANG ,  Jinqing JI ,  Zhanyu SUN

IPC: H01M50/503

Abstract: This application discloses a battery module, a battery pack, and a device using a secondary battery. The battery module includes: a battery cell assembly, including at least two battery cells arranged along a third direction, where each of the battery cells includes electrode terminals; and a first busbar, including a main portion and two connecting portions, where an extension direction of the first busbar tilts against the third direction at a preset angle, the two connecting portions are connected to the electrode terminals of the two battery cells in an identical battery cell assembly respectively, the main portion is connected between the two connecting portions, a deformation inducing portion is disposed on the main portion, and the deformation inducing portion is configured to reduce at least a force required for deforming the main portion along a first direction.

公开(公告)号：US20220247043A1

公开(公告)日：2022-08-04

申请号：US17554412

申请日：2021-12-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huasheng SU ,  Chengyou XING ,  Quankun LI ,  Peng WANG ,  Wenzhong LIU ,  Yanyun QIN

IPC: H01M50/559 ,  H01M10/48 ,  H01M50/213 ,  H01M10/42 ,  H01M50/566

Abstract: An embodiment of the present application provides a battery cell, a battery, a power consumption device, and a battery cell manufacturing method and device, which belong to the field of battery technologies. The battery cell includes an adapting member, the adapting member includes a first connection portion for connecting an electrode terminal and a second connection portion for connecting an electrode assembly, the first connection portion and the second connection portion are dividedly set and connected to each other, and the first connection portion is in a multilayer structure and includes multiple layers of conductive sheets provided in a stacking manner, the second connection portion is in a single-layer structure, and a minimum thickness of the first connection portion is greater than a maximum thickness of the second connection portion.

公开(公告)号：US20220247018A1

公开(公告)日：2022-08-04

申请号：US17614367

申请日：2020-11-13

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xinxiang CHEN ,  Yulian ZHENG ,  Shoujun HUANG ,  Huasheng SU ,  Xiang LI ,  Peng WANG

IPC: H01M50/121 ,  H01M50/209 ,  H01M10/658

Abstract: Embodiments of this application provide a battery column, a battery module, and an apparatus. The battery column includes a housing, and first battery cells and second battery cells that are alternately distributed side by side along a first direction in the housing, where the first battery cell includes a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; and the second battery cell includes a second metal case, which is exposed in the housing. In the battery column according to the embodiments of this application, even if no insulating film is provided on the second metal case of the second battery cell, and the second metal case is exposed in the housing, the battery cells can still be insulated from each other, and space inside the housing can be saved, thereby improving energy density of the battery column.

公开(公告)号：US20220074517A1

公开(公告)日：2022-03-10

申请号：US17530808

申请日：2021-11-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Decai ZHU ,  Ziqiang WU ,  Langchao HU ,  Binbin CHEN ,  Peng WANG ,  Jinqing JI

IPC: F16K39/02 ,  H01M50/325

Abstract: A balance valve, a battery, and a power consumption apparatus are provided in the embodiments of the present application. The balance valve includes a body, a breathable membrane and a gas barrier structure, where the body is provided with a ventilation channel; the breathable membrane is arranged at one end of the ventilation channel; and, the gas barrier structure is arranged at the other end of the ventilation channel, and the gas barrier structure is configured to open the ventilation channel when the gas pressures inside and outside the gas barrier structure are unbalanced, so as to achieve the gas pressure balance between the inside and outside of the gas barrier structure. The balance valve is applicable to a battery, which could achieve a balance of gas pressures inside and outside the battery when there is a pressure difference between the inside and outside of the battery.

公开(公告)号：US20220021034A1

公开(公告)日：2022-01-20

申请号：US17489116

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng WANG ,  Xingdi CHEN ,  Mingdi XIE ,  Linggang ZHOU ,  Zhanyu SUN ,  Kai WU

IPC: H01M10/42 ,  H01M10/48 ,  B60L50/64 ,  H01M50/502 ,  H01M50/543 ,  H01M10/653 ,  H01M50/209

Abstract: A failed battery cell handling method, a battery module, a battery pack, and a device, which relates to the technical field of energy devices. The handling method includes: injecting a conductive material into a failed battery cell, where the conductive material is in a molten state when being injected, and is in a solid state after cooling, and the conductive material is configured to electrically connect a positive terminal and a negative terminal of the failed battery cell.

公开(公告)号：US20220013839A1

公开(公告)日：2022-01-13

申请号：US17113013

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun ZENG ,  Zhimin ZENG ,  Kai WU ,  Xingdi CHEN ,  Peng WANG ,  Xiaobo CHEN ,  Yao LI

IPC: H01M50/209 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/625 ,  H01M50/249 ,  H01M50/271 ,  H01M50/287 ,  H01M50/342 ,  H01M50/375

Abstract: The present application discloses a battery and a related apparatus, production method, production device therefor. A battery includes a plurality of battery cells, a cover body and an insulating part. The plurality of battery cells are configured to be electrically connected to each other through a bus component; a cover body includes an accommodation space configured to install the bus component; and the insulating part is attached to the cover body and provided to cover at least the bus component. According to the present application, a bus component configured to electrically connect a plurality of battery cells in a battery is embedded on a cover body. This arrangement makes the structure of the battery more compact, and since the bus component is not sealed in a case, part of the structure of a battery management unit may be arranged outside the case of the battery.

公开(公告)号：US20220013756A1

公开(公告)日：2022-01-13

申请号：US17113018

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun ZENG ,  Zhimin ZENG ,  Kai WU ,  Xingdi CHEN ,  Peng WANG ,  Zhanyu SUN

IPC: H01M2/12 ,  H01M2/10 ,  H01M10/6567

Abstract: The present application discloses a battery and a related apparatus, production method and production device therefor. The battery includes: a battery cell, the battery cell including a pressure relief mechanism configured to be capable of being actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; an attachment component adapted to be attached to the battery cell by an adhesive; and an isolation component configured to be capable of preventing the adhesive from being applied between the attachment component and the pressure relief mechanism. By providing the isolation component, it is possible to prevent the adhesive from being applied between the attachment component and the pressure relief mechanism in an effective manner in a process of battery production. Meanwhile, application efficiency and accuracy of the adhesive could be improved, thereby improving production efficiency of the battery.

公开(公告)号：US20220013755A1

公开(公告)日：2022-01-13

申请号：US17113025

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaobo CHEN ,  Fenggang ZHAO ,  Yao LI ,  Peng WANG ,  Zhanyu SUN ,  Yongshou LIN

IPC: H01M2/10 ,  H01M2/20 ,  H01M2/12 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

公开(公告)号：US20210391618A1

公开(公告)日：2021-12-16

申请号：US17386834

申请日：2021-07-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhichao WANG ,  Linggang ZHOU ,  Peng WANG

IPC: H01M50/204 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625

Abstract: The present application is provided with a battery box and a battery pack. The battery pack box includes a base plate and a frame, the base plate being connected with the frame; where the base plate includes: a first plate; a second plate, disposed opposite to the first plate; and a perforated plate, provided with a plurality of holes spaced; where the perforated plate is located between the first plate and the second plate, and is welded and fixed to the first plate and the second plate respectively. In the present application, the perforated plate can reduce the overall weight of the box and increase the energy density of the battery pack.