公开(公告)号：US10826035B2

公开(公告)日：2020-11-03

申请号：US16236424

申请日：2018-12-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xin Zeng ,  Xiaoshan Dai ,  Lei Yang ,  Qiqi Huo ,  Shoujiang Xu ,  Chunyan Feng

IPC: H01M2/10

Abstract: The present disclosure relates to a fixing frame and a battery pack. The fixing frame comprises a top connecting frame comprising two or more fixing plates spaced apart from each other in a first direction and a connecting component connecting the two adjacent fixing plates, the connecting component comprising a recess portion and an adapter portion, the recess portion being recessed in a second direction and the adapter portion being connected to both sides of the recess portion in the first direction, and the connecting component being connected to the two adjacent fixing plates via the adapter portion; and locking plates provided on the top connecting frame and extending along the second direction, the locking plate comprising in the second direction a first end connected to the top connecting frame and a second end connectable to an external structural member; wherein the first direction intersects the second direction.

公开(公告)号：US20220102814A1

公开(公告)日：2022-03-31

申请号：US17546075

申请日：2021-12-09

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Sien Chen ,  Shoujiang Xu ,  Xiaoshan Dai

IPC: H01M50/519 ,  H01M50/209 ,  H01M10/42 ,  H01M50/507

Abstract: The application relates to a sampling assembly, a connection assembly, a battery module and a vehicle. The sampling assembly is used for a battery module including a busbar. The sampling assembly includes: a sampling circuit board having a predetermined length and a predetermined width; a sampling leg including a first connection portion, an intermediate portion and a second connection portion, the first connection portion being connected to the sampling circuit board, the second connection portion configured to be connected to the busbar, the first connection portion including a first connection region connected to the intermediate portion, the second connection portion including a second connection region connected to the intermediate portion, at least a part of the intermediate portion having a cross-sectional area which is smaller than a cross-sectional area of the first connection region and smaller than a cross-sectional area of the second connection region.

公开(公告)号：US10826134B2

公开(公告)日：2020-11-03

申请号：US16115137

申请日：2018-08-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xin Zeng ,  Sien Chen ,  Kaiqin Yu ,  Shoujiang Xu ,  Chunyan Feng

IPC: H01M10/42 ,  H01M2/10 ,  H01M2/20 ,  H05K1/11

Abstract: The present disclosure relates to a battery module comprising: a plurality of single cells arranged in sequence; a sampling circuit board disposed opposite to a top of the single cells and provided with a conductive hole and a conductive sleeve disposed in the conductive hole; and a busbar having a connecting plate and a conductive post extending from the connecting plate, and the connecting plate being connected to the single cells, wherein the busbar is electrically connected to the sampling circuit board by insertion of the conductive post into the conductive sleeve. The battery module according to embodiments of the present disclosure includes a busbar and a sampling circuit board electrically connected with each other, which have a stable and reliable connection and a high impact resistance ability, thereby improving an operational reliability and safety of the battery module.

公开(公告)号：US11811075B2

公开(公告)日：2023-11-07

申请号：US17354875

申请日：2021-06-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei Chen ,  Shoujiang Xu

IPC: H01M50/103 ,  H01M50/586

CPC classification number: H01M50/103 ,  H01M50/586

Abstract: The present invention provides a secondary battery, including an electrode assembly, a housing, a top cover assembly, and an insulating member. The electrode assembly includes two first surfaces and two second surfaces, and the two first surfaces are located respectively at two ends of the electrode assembly in the thickness direction. The second surfaces are extended from the ends of the first surfaces along a width direction, and intersecting lines are formed between the first surfaces and the second surfaces. The housing has an opening and forms an accommodating cavity. The electrode assembly is located inside the accommodating cavity of the housing, and the top cover assembly is connected to the opening of the housing and seals the housing. The insulating member includes two first insulating sheets, and the two first insulating sheets are disposed respectively at two sides of the electrode assembly along the thickness direction.

公开(公告)号：US11742544B2

公开(公告)日：2023-08-29

申请号：US16544689

申请日：2019-08-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Sien Chen ,  Shoujiang Xu ,  Chunyan Feng

IPC: H01M50/20 ,  H01M50/26 ,  H01M50/209 ,  H01M50/262

CPC classification number: H01M50/209 ,  H01M50/262

Abstract: The present disclosure provides a battery module, comprising: a plurality of batteries stacked in a length direction L of the battery module; and an end plate located at an end of the plurality of batteries in the length direction L. The end plate is provided with at least one end plate mounting hole, and each of the at least one end plate mounting holes extends along a height direction H of the battery module. The end plate includes an inner wall and an external wall that are disposed opposite to each other in the length direction L, and an axis of each of the at least one end plate mounting holes includes a first distance L1 from the inner wall and a second distance L2 from the external wall. The first distance L1 is greater than the second distance L2.

公开(公告)号：US10903477B2

公开(公告)日：2021-01-26

申请号：US16115556

申请日：2018-08-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xin Zeng ,  Sien Chen ,  Kaiqin Yu ,  Wei Wang ,  Shoujiang Xu ,  Chunyan Feng

IPC: H01M2/34 ,  H01M2/26 ,  H01M2/10 ,  H01M2/20

Abstract: The disclosure relates to an output electrode plate and a battery module. The output electrode plate comprises a first metal plate. The first metal plate includes a first region and a second region in a first direction. The first region includes a first overcurrent portion and a second overcurrent portion in a second direction. The second region is connected to the first region. The first overcurrent portion is provided with a through hole which extends in a thickness direction thereof, and a projection of the through hole along the first direction does not exceed a projection of the second region along the first direction in the second direction, and the first metal plate is formed with a minimum overcurrent section at the through hole, such that the minimum overcurrent section is first fused when a current flowing through the first metal plate is greater than a preset current.

公开(公告)号：US20240356057A1

公开(公告)日：2024-10-24

申请号：US18757595

申请日：2024-06-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Baojian ZHU ,  Lei Chen ,  Shoujiang Xu ,  Chunyan Feng

IPC: H01M10/04 ,  H01M50/15 ,  H01M50/536 ,  H01M50/538 ,  H01M50/55

CPC classification number: H01M10/0468 ,  H01M50/15 ,  H01M50/538 ,  H01M50/536 ,  H01M50/55

Abstract: The disclosure relates to a top compression plate, a secondary battery and a method for manufacturing a secondary battery. The secondary battery includes a cap plate; an electrode terminal disposed on the cap plate; an electrode assembly which comprises a main body and a tab connected to the main body, wherein the tab is connected to the electrode terminal; an insulating member disposed between the cap plate and the main body, wherein the insulating member comprises a connecting protrusion extending toward the main body; and a top compression plate disposed between the insulating member and the main body. The top compression plate comprises a first surface facing the main body and a mounting hole mating with the connecting protrusion, and a top end surface of the connecting protrusion does not exceed the first surface.

公开(公告)号：US11894578B2

公开(公告)日：2024-02-06

申请号：US17694724

申请日：2022-03-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Sien Chen ,  Shoujiang Xu

IPC: H01M50/519 ,  H01M50/249 ,  H01M50/284 ,  H01M10/48

CPC classification number: H01M50/519 ,  H01M10/482 ,  H01M50/249 ,  H01M50/284 ,  H01M2220/20

Abstract: The application relates to a battery module, a battery pack and a vehicle. The battery module includes: secondary batteries, in which two or more secondary batteries are arranged side by side in an arrangement direction; a busbar arranged on a top of the secondary batteries and electrically connected to at least two of the secondary batteries; a sampling assembly including a sampling circuit board arranged on the top of the secondary batteries and a sampling leg extending from the sampling circuit board toward the busbar, the sampling leg and the busbar being welded to form a welded zone; a connector, the sampling leg and the busbar being connected by the connector, the connector being located at a side of the welded zone close to the sampling circuit board.

公开(公告)号：US11563240B2

公开(公告)日：2023-01-24

申请号：US17043724

申请日：2019-12-27

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Sien Chen ,  Shoujiang Xu ,  Chunyan Feng

IPC: H01M10/42 ,  H01M50/519 ,  H01M50/543 ,  H01M50/505 ,  H01M50/284 ,  H01M50/207

Abstract: The present disclosure discloses to a sampling circuit board for a battery module and a battery module. The sampling circuit board for a battery module comprises a main board comprising a plurality of electrical connection areas; and a plurality of sampling terminals respectively electrically connected to the plurality of the electrical connection areas, and an end of each of the sampling terminals extends away from the main board, and each of the sampling terminals connected to one of the electrical connection areas of the main board via a connection member, wherein the connection member comprises a main body and at least one hook assembly provided on the main body, and the hook assembly laminates and attaches one of the sampling terminals and one of the electrical connection areas of the main board.

公开(公告)号：US11302986B2

公开(公告)日：2022-04-12

申请号：US17489046

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoshan Dai ,  Shoujiang Xu

IPC: H01M50/209 ,  H01M50/233 ,  H01M50/262 ,  H01M50/249

Abstract: This application provides a battery module, a battery pack, and a vehicle. The battery module includes batteries, a first end plate, and a second end plate. A first lug portion of the first end plate is provided with a first mounting hole. A second lug portion of the second end plate is provided with a second mounting hole. An area of a lower surface of the first lug portion is S1, a distance from a central axis of the first mounting hole to a center line of the battery module is d1, an area of a lower surface of the second lug portion is S2 and a distance from a central axis of the second mounting hole to the center line of the battery module is d2, where d1>d2, and S1