公开(公告)号：US11973243B2

公开(公告)日：2024-04-30

申请号：US18355702

申请日：2023-07-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoteng Huang ,  Chenyi Xu ,  Langchao Hu ,  Junxiang Ma ,  Haiqi Yang ,  Jun Liu ,  Peng Wang ,  Zhanyu Sun

IPC: H01M10/48 ,  H01M50/30 ,  H01M50/317

CPC classification number: H01M50/394 ,  H01M10/482 ,  H01M50/317 ,  H01M2200/10 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery includes a battery cell having a first wall provided with a pressure relief mechanism configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold, a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium when the pressure relief mechanism is actuated, a first fixing member disposed on a side of the fire-fighting pipeline close to the first wall and provided with first and second limiting parts, and a second fixing member disposed on a side of the fire-fighting pipeline away from the first wall and provided with third and fourth limiting parts. The third and first limiting parts match each other to fix the fire-fighting pipeline between the first and second fixing members. The fourth and second limiting parts match each other to limit the second fixing member in an extending direction of the fire-fighting pipeline.

公开(公告)号：US11929521B2

公开(公告)日：2024-03-12

申请号：US17024732

申请日：2020-09-18

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhijun Guo ,  Jie Zhang ,  Peng Wang ,  Taosheng Zhu

IPC: H01M50/538 ,  H01M50/533

CPC classification number: H01M50/538 ,  H01M50/533

Abstract: The present disclosure provides a rechargeable battery, including an electrode assembly and a connecting member. The electrode assembly includes an electrode assembly body and an electrode tab extending from an end surface of the electrode assembly body. The connecting member includes a guiding plate, a first connecting plate and a second connecting plate respectively connected to the guiding plate. The first connecting plate, the second connecting plate and the guiding plate extend along a width direction. The electrode tab is bent with respect to a longitudinal direction to form a bending part and the bending part of the electrode tab is connected to the first connecting plate. The width direction is to a thickness direction of the rechargeable battery.

公开(公告)号：US11923559B2

公开(公告)日：2024-03-05

申请号：US17853434

申请日：2022-06-29

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/383 ,  H01M50/209 ,  H01M50/233 ,  H01M50/249 ,  H01M50/276 ,  H01M50/30 ,  H01M50/502 ,  H01M50/505

CPC classification number: H01M50/383 ,  H01M50/209 ,  H01M50/233 ,  H01M50/249 ,  H01M50/276 ,  H01M50/30 ,  H01M50/394 ,  H01M50/502 ,  H01M50/505 ,  H01M2220/20

Abstract: A battery assembly includes a protection member and a battery module including at least two batteries arranged side by side along a first direction and having a first outer surface and a second outer surface opposite to each other along a second direction. The protection member is in the form of a letter U with two vertical portions having different lengths, wherein a first protection section covers the end covers of batteries in the battery module, a part of a second protection section covers the first outer surface, and a third protection section abuts against an end cover of a battery corresponding to the second outer surface. The protection member can prevent the airflow, the flame and the like sprayed during thermal runaway, and control a thermal diffusion range during thermal runaway.

公开(公告)号：US11862776B2

公开(公告)日：2024-01-02

申请号：US17981536

申请日：2022-11-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu Sun ,  Yuepan Hou ,  Xiaoteng Huang ,  Peng Wang ,  Haiqi Yang

IPC: H01M10/6554 ,  H01M50/209 ,  H01M10/625 ,  H01M10/6556

CPC classification number: H01M10/6554 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/209 ,  H01M2220/20

Abstract: Provided are a battery, a power consumption device, a method for producing a battery, and a device. The battery includes: a plurality of battery cells arranged along a first direction and a thermal management component extending along the first direction and being connected to a first wall of each battery cell among the plurality of battery cells, the thermal management component including a pair of heat conducting plates that are oppositely arranged along a second direction and a flow passage located between the pair of heat conducting plates, the flow passage being configured to accommodate a fluid to adjust temperatures of the battery cell, and the second direction being vertical to the first wall, where in the second direction, a thickness D of the heat conducting plate and a size H of the flow passage satisfy: 0.01≤D/H≤25. Technical solutions of embodiments of the present application could enhance performance of batteries.

公开(公告)号：US20230361373A1

公开(公告)日：2023-11-09

申请号：US18352276

申请日：2023-07-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haiqi Yang ,  Zhimin Zeng ,  Yu Tang ,  Xiaoteng Huang ,  Peng Wang ,  Chenyi Xu

IPC: H01M10/613 ,  H01M50/588 ,  H01M10/04 ,  H01M10/6569 ,  H01M50/505

CPC classification number: H01M10/613 ,  H01M50/588 ,  H01M10/0481 ,  H01M10/6569 ,  H01M50/505 ,  H01M2220/20

Abstract: Provided are a battery, comprising: a battery cell group comprising N battery cell rows arranged in a first direction, battery cells in each battery cell row being arranged in a second direction, the first direction being perpendicular to the second direction; a signal transmission assembly provided on the first face of the battery cell group and comprising a busbar component and an insulation layer, the busbar component being configured to be electrically connected to the battery cells at holes of the insulation layer; and a cooling system provided between two adjacent battery cell rows in the N battery cell rows, with a blocking member being provided at an opening, facing the first face, of a gap between the two adjacent battery cell rows to block the opening to prevent condensed liquid generated by the cooling system from reaching the busbar component.

公开(公告)号：US11811155B2

公开(公告)日：2023-11-07

申请号：US18148260

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 ,  H01R25/16

CPC classification number: H01R11/05 ,  H01M50/50 ,  H01M50/531 ,  H01R25/161

Abstract: A connection member includes a guide plate and a first connecting plate integrally formed on the guide plate. 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. A portion, of the guide plate except a part corresponding to the at least one indentation, connected to the first connecting plate becomes gradually thinner in a direction from the guide plate to the first connecting plate.

公开(公告)号：US11811017B2

公开(公告)日：2023-11-07

申请号：US16746478

申请日：2020-01-17

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Jie Zhang ,  Zhijun Guo ,  Peng Wang

IPC: H01M50/55 ,  H01M50/536 ,  H01M10/04 ,  H01M50/553 ,  H01M50/176

CPC classification number: H01M10/0454 ,  H01M50/176 ,  H01M50/536 ,  H01M50/55 ,  H01M50/553

Abstract: A battery unit and a battery module, where the battery unit includes an electrode assembly, including a first electrode and a second electrode, which have opposite polarities, each of the first electrode and the second electrode includes a coated portion and an uncoated portion, and the uncoated portion is located at an end part of a coated portion along the length direction of the electrode assembly and forms a tab; two terminals, arranged at the top of the electrode assembly; and two current collectors for electrically connecting the tabs on both sides of the electrode assembly with the terminals on the same side respectively. At least one end of at least one current collector along the width direction of the electrode assembly is a flat plate structure, and the tab covers the flat plate structure from the outer side after being bent.

公开(公告)号：US11791518B2

公开(公告)日：2023-10-17

申请号：US17113038

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Xiaobo Chen ,  Peng Wang ,  Yao Li ,  Yongshou Lin

IPC: H01M50/342 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/647 ,  H01M10/6556 ,  H01M50/209 ,  H01M50/358 ,  H01M50/204 ,  H01M50/375 ,  H01M50/609

CPC classification number: H01M50/3425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/204 ,  H01M50/209 ,  H01M50/342 ,  H01M50/358 ,  H01M50/375 ,  H01M50/609 ,  H01M2200/10 ,  H01M2200/20 ,  H01M2220/20

Abstract: Embodiments of the present application provide a battery. The battery includes: a battery cell comprising a pressure relief mechanism, the pressure relief mechanism being arranged in a first wall of the battery cell and the pressure relief mechanism being configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated to release the internal pressure; and a thermal management component for containing a fluid to adjust the temperature of the battery cell; wherein a first surface of the thermal management component is attached to the first wall, and the thermal management component is configured to be capable of being damaged when the pressure relief mechanism is actuated, so that the fluid is discharged from inside of the thermal management component. 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：US20230307750A1

公开(公告)日：2023-09-28

申请号：US18328752

申请日：2023-06-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qifan Zou ,  Peng Wang ,  Feng Qin ,  Xin Chen

IPC: H01M50/184 ,  H01M50/107 ,  H01M50/152 ,  H01M10/04 ,  H01M50/186

CPC classification number: H01M50/184 ,  H01M50/107 ,  H01M50/152 ,  H01M10/049 ,  H01M10/0404 ,  H01M50/186

Abstract: A battery cell, a battery, an electrical apparatus, and a method and a device for preparing a battery cell are provided. In some embodiments, the battery cell comprising: an electrode assembly; a case for accommodating the electrode assembly, wherein the case has an opening and a first position-limiting portion; an end cover for covering the opening, wherein in the thickness direction of the end cover, the end cover is located on one side of the first position-limiting portion facing the electrode assembly, and the first position-limiting portion is used for restricting the movement of the end cover in a direction away from the electrode assembly; and a sealing member for sealing the end cover and the first position-limiting portion, so that the end cover and the first position-limiting portion are in sealed connection.

公开(公告)号：US11757157B2

公开(公告)日：2023-09-12

申请号：US17478888

申请日：2021-09-18

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Huasheng Su ,  Shoujun Huang ,  Xinxiang Chen ,  Yulian Zheng ,  Peng Wang

IPC: H01M50/528 ,  H01M50/591 ,  H01M50/147 ,  H01M50/562 ,  H01M50/176 ,  H01M50/553 ,  H01M50/55

CPC classification number: H01M50/528 ,  H01M50/147 ,  H01M50/562 ,  H01M50/591 ,  H01M50/176 ,  H01M50/55 ,  H01M50/553

Abstract: The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate, an electrode terminal, a fixing member and a connection member. The cap plate includes an electrode lead-out hole, the electrode terminal includes a terminal board, the terminal board is located at a side of the cap plate and covers the electrode lead-out hole, the fixing member at least partially surrounds the terminal board to fix the terminal board to the fixing member, the connection member is separated from the electrode terminal by the fixing member, and the connection member is connected with the cap plate. The connection member includes a main body, the main body is provided with a first groove opened downwardly along a top of the main body, and a part of the fixing member is located in the first groove.