公开(公告)号：US20210043912A1

公开(公告)日：2021-02-11

申请号：US16964318

申请日：2019-10-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Baojian ZHU ,  Lei CHEN ,  Shoujiang XU ,  Chunyan FENG

IPC: H01M2/26 ,  H01M2/12 ,  H01M10/0585 ,  H01M2/34

Abstract: This application relates to a top pressing plate, a secondary battery, and a method for manufacturing a secondary battery. The top pressing plate is used for a secondary battery, the secondary battery including a top cover sheet, an insulating separator and an electrode assembly, the electrode assembly including a main body portion and electrode tabs connected to the main body portion, the electrode tabs each including a welding end portion, the top pressing plate includes: a first surface and a second surface provided oppositely in a thickness direction of the top pressing plate and an accommodating groove recessed from the second surface toward the first surface, the top pressing plate can be provided between the insulating separator and the main body portion, the first surface faces the main body portion, the second surface faces the insulating separator, and the accommodating groove is disposed to accommodate the welding end portion.

公开(公告)号：US20220021067A1

公开(公告)日：2022-01-20

申请号：US17488504

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoshan DAI ,  Shoujiang XU

IPC: H01M50/291 ,  H01M50/209 ,  H01M50/293 ,  H01M10/04

Abstract: A battery module, a battery pack and a vehicle are provided. The battery module includes a battery and a buffer element. The buffer element is arranged between two adjacent batteries and has a main body portion, a first limiting portion and a second limiting portion. The main body portion is provided with an opening, the first limiting portion and the second limiting portion are located at both ends of the main body portion in a first direction and are arranged at intervals from the opening. The battery faces the opening and abuts against the main body portion, and is located between the first limiting portion and the second limiting portion, thereby improving a grouping efficiency of the battery module.

公开(公告)号：US20200274120A1

公开(公告)日：2020-08-27

申请号：US16535396

申请日：2019-08-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Sien CHEN ,  Shoujiang XU ,  Chunyan FENG

IPC: H01M2/10 ,  H01M10/659 ,  H01M10/04 ,  H01M2/26 ,  H01M10/6554

Abstract: The present disclosure provides a battery module, including: a plurality of batteries that is stacked; an end plate disposed at an end of the plurality of batteries in a direction, along which the plurality of batteries are stacked; an electric insulation component disposed between the end plate and a battery of the plurality of batteries adjacent to the end plate, the electric insulation component comprising at least one mounting portion; and at least one heat insulation component disposed below the end plate and connected to a bottom of the end plate. Each of the at least one heat insulation component is detachably connected to a corresponding one of the at least one mounting portion.

公开(公告)号：US20190393458A1

公开(公告)日：2019-12-26

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：US20220115751A1

公开(公告)日：2022-04-14

申请号：US17557172

申请日：2021-12-21

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xichen WEI ,  Baojian ZHU ,  Shoujiang XU ,  Lei CHEN

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/147 ,  H01M50/553 ,  H01M10/04

Abstract: A secondary battery. The secondary battery includes an electrode assembly, a housing, a top cover assembly, a current collecting member, and an insulation member. The electrode assembly is accommodated in the housing and includes a body portion and a first tab. The first tab extends from one end of the body portion in a transverse direction. The top cover assembly includes a top cover plate and a first electrode terminal disposed on the top cover plate. The top cover plate is connected to the housing, and the first electrode terminal is connected to the current collecting member. The insulation member is disposed between the body portion and the current collecting member. The insulation member includes a through gap. The first tab passes.

公开(公告)号：US20210328301A1

公开(公告)日：2021-10-21

申请号：US17358173

申请日：2021-06-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Sien CHEN ,  Shoujiang XU ,  Xiaoshan DAI

IPC: H01M50/291 ,  H01M50/204 ,  H01M50/244 ,  H01M50/249 ,  H01M50/264

Abstract: The present application relates to a battery module, a battery pack and an apparatus. The battery module includes: a battery cell arrangement structure including a plurality of battery cells stacked on each other; and an end plate, the end plate being located at an end part of the battery cell arrangement structure in a length direction, and the end plate including a first mating part and a second mating part; where the second mating part is located below the first mating part in a height direction of the battery module, and a thickness of the second mating part is smaller than a thickness of the first mating part.

公开(公告)号：US20210320388A1

公开(公告)日：2021-10-14

申请号：US17354875

申请日：2021-06-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lei CHEN ,  Shoujiang XU

IPC: H01M50/572

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：US20190393476A1

公开(公告)日：2019-12-26

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

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：US20220115730A1

公开(公告)日：2022-04-14

申请号：US17556030

申请日：2021-12-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Sien CHEN ,  Shoujiang XU ,  Xiaoshan DAI

IPC: H01M50/264 ,  H01M50/209 ,  H01M50/289

Abstract: The present application provides a battery module, a battery pack and a vehicle, the battery module includes a battery and a frame assembly. The frame assembly includes two first splints, two second splints and a first strap. Each first splint includes a plurality of first connecting plates, and the plurality of first connecting plates are arranged side by side in a second direction. One of two adjacent first connecting plates is provided with a first positioning groove, and the other is provided with a first positioning protrusion, and the two adjacent first connecting plates are spliced and connected through a clearance fitting between the first positioning groove and the corresponding first positioning protrusion. This assembly method is simple and fast, which improves a grouping efficiency of the battery module.

公开(公告)号：US20210320360A1

公开(公告)日：2021-10-14

申请号：US17358552

申请日：2021-06-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Sien CHEN ,  Shoujiang XU ,  Xiaoshan DAI

IPC: H01M50/209

Abstract: The present application relates to a battery module, a battery pack, a device and an assembly method of the battery module, the battery module includes: a battery cell arrangement structure including a plurality of battery cells stacked upon one another; a cable tie, the cable tie surrounding outside the battery cell arrangement structure, and at least including a first cable tie and a second cable tie of different materials; and where at least part of the first cable tie is located on a side of the second cable tie close to the battery cell. The cable tie can have characteristics of the first cable tie and the second cable tie, which improves an applicability of the cable tie. In this case, it is helpful to improve a connection reliability of the cable tie to the battery cell arrangement structure, and to release an expansion force of the battery module.