公开(公告)号：US12002996B2

公开(公告)日：2024-06-04

申请号：US17167967

申请日：2021-02-04

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Mingdi Xie ,  Zhanyu Sun ,  Kaijie You ,  Xingdi Chen ,  Long Li

IPC: H01M50/519 ,  H01M50/526 ,  H01M50/531 ,  H01M50/591

CPC classification number: H01M50/519 ,  H01M50/526 ,  H01M50/531 ,  H01M50/591

Abstract: A battery module, a battery pack, a device using a battery module as a power source, and a method of manufacturing a battery module are provided. The battery module includes: at least two battery cells; a connecting piece configured to electrically connect two battery cells of at least two battery cells; and a protective layer including a first protective portion configured to cover the connecting piece. A melting point of the first protective portion is greater than that of the connecting piece.

公开(公告)号：US11588186B2

公开(公告)日：2023-02-21

申请号：US17488497

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: H01M10/00 ,  H01M10/42 ,  B60L50/60 ,  H01M50/502 ,  H01M50/531 ,  H01M50/564 ,  B60K1/04

Abstract: A battery module, a device, and a failure handling method for a failed battery cell. The battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction, where the battery cells include electrode terminals, and the battery cells include a failed battery cell; a box body, having an accommodation cavity in which the battery cell arrangement structure is located; a mounting beam, located in the accommodation cavity and at an end of the battery cell arrangement structure along the width direction; a pressing plate; and a conductive component, connected to a positive electrode terminal and a negative electrode terminal of the failed battery cell. The conductive component is easily connected to electrode terminals of a failed battery cell, so that a maintenance process can be simplified and maintenance costs can be reduced.

公开(公告)号：US12068459B2

公开(公告)日：2024-08-20

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 ,  B60L50/64 ,  H01M10/48 ,  H01M10/653 ,  H01M50/103 ,  H01M50/119 ,  H01M50/209 ,  H01M50/249 ,  H01M50/291 ,  H01M50/543

CPC classification number: H01M10/4207 ,  B60L50/64 ,  H01M10/4235 ,  H01M10/482 ,  H01M10/653 ,  H01M50/103 ,  H01M50/119 ,  H01M50/209 ,  H01M50/249 ,  H01M50/291 ,  H01M50/543 ,  H01M2220/20

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：US12002994B2

公开(公告)日：2024-06-04

申请号：US17488437

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi Chen ,  Mingdi Xie ,  Kaijie You ,  Peng Wang ,  Yu Tang ,  Yongguang Wang

IPC: H01M10/00 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/507 ,  H01M50/553

CPC classification number: H01M50/507 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/553 ,  H01M2220/20

Abstract: The present application provides a battery module, a battery pack, and a battery-powered apparatus. The battery module includes a plurality of battery units and a busbar assembly. The plurality of battery units are arranged in a horizontal direction, where each battery unit includes a plurality of batteries stacked in a vertical direction, the plurality of batteries include a first battery and a second battery, the first battery and the second battery each include a first electrode terminal, a second electrode terminal, and an explosion-proof piece. A busbar assembly electrically connects the plurality of battery units, where the busbar assembly includes a first busbar connected to the first electrode terminal and the second electrode terminal. In a first direction perpendicular to the vertical direction and the horizontal direction, the first busbar includes a first weak zone that at least partially overlaps with the explosion-proof piece of the first battery.