公开(公告)号：US20190305271A1

公开(公告)日：2019-10-03

申请号：US16355634

申请日：2019-03-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Jihua YAO ,  Taosheng ZHU

IPC: H01M2/10 ,  H01M2/12

Abstract: The disclosure relates to a composite end plate and a battery module. The composite end plate comprises: a base plate comprising a first surface and a second surface disposed opposite to each other, wherein the base plate is arranged such that the first surface faces a battery; and a rigid insert, wherein the rigid insert and the base plate are made of different materials, the rigid insert is made of metal material, the rigid insert is arranged at a bottom portion of the base plate, and at least a part of the rigid insert is arranged at the second surface and extends in a length direction of the second surface. According to embodiments of the disclosure, the composite end plate comprises the base plate and the rigid insert made of different materials.

公开(公告)号：US20190207194A1

公开(公告)日：2019-07-04

申请号：US16225958

申请日：2018-12-19

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenwen LIU ,  Gen CAO ,  Jihua YAO

IPC: H01M2/22 ,  H01M2/04 ,  H01M2/10

CPC classification number: H01M2/1061 ,  H01M2/1077 ,  H01M10/0481

Abstract: The disclosure relates to a composite end plate and a battery module. The composite end plate comprises an end plate body and a rigid connecting plate. The end plate body comprises a first surface and a second surface disposed opposite to each other in its thickness direction, a first connecting segment, an intermediate transitional segment and a second connecting segment disposed successively in its width direction. The rigid connecting plate and the end plate body are made of different materials. The rigid connecting plate is disposed at the intermediate transitional segment, and comprises a transferring segment and a connecting arm embedded into the intermediate transitional segment such that the rigid connecting plate and the end plate body are fixedly connected. The transferring segment is located at the second surface. A surface of the transferring segment away from the intermediate transitional segment can be fixedly connected to an external structural component.

公开(公告)号：US20180090729A1

公开(公告)日：2018-03-29

申请号：US15657771

申请日：2017-07-24

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Jihua YAO ,  Haidong ZHANG ,  Jianli CHEN

IPC: H01M2/10

CPC classification number: H01M2/1016 ,  H01M2/1061 ,  H01M2/1077

Abstract: The present application relates to a battery module. A battery module includes a base, end plates, side plates and a plurality of sleeve members, wherein the end plates and the side plates are connected to the base through the sleeve members, and each sleeve member includes a pipe body and a connecting piece. The battery module further includes a transition piece having a transition plane perpendicular to the axis of the pipe body. The connecting piece has a mating surface toward the transition piece, and the mating surface clings to the transition plane. This solution enables the connecting piece to be screwed into the base along the axis of the pipe body, reducing the difficulty of connecting the connecting piece to the base, and improving the installation efficiency.

公开(公告)号：US20210111442A1

公开(公告)日：2021-04-15

申请号：US17130695

申请日：2020-12-22

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Sihang CHEN ,  Jihua YAO ,  Xiaoteng HUANG

IPC: H01M10/48 ,  H01M50/249 ,  H01M50/271 ,  H01M50/284 ,  H01M50/298 ,  H01M50/543 ,  H01M10/04

Abstract: A battery module as provided includes a battery, a wiring harness board, a circuit board, a compressing piece and a temperature acquisition assembly. The battery includes a top cover. The wiring harness board is arranged on an outer side of the top of the top cover. The circuit board is arranged on a side, away from the battery, of the wiring harness board. The compressing piece is mounted on the wiring harness board. The temperature acquisition assembly includes a thermistor, and the thermistor is electrically connected to the circuit board. The compressing piece compresses the thermistor of the temperature acquisition assembly, so that the thermistor compresses the top cover. The temperature acquisition assembly acquires a temperature of the top cover of the battery, with a short temperature transfer path and rapid temperature transfer response.

公开(公告)号：US20210104797A1

公开(公告)日：2021-04-08

申请号：US17123550

申请日：2020-12-16

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Jihua YAO

IPC: H01M50/209 ,  H01M50/249 ,  H01M50/271 ,  H01M50/287 ,  H01M50/298 ,  H01M50/505 ,  H01M10/48 ,  H01M10/653 ,  H01M10/6554

Abstract: The present application relates to a battery module including: multiple battery units, the battery units being arranged side by side along a length direction of the battery module, the battery unit including a top cover; a circuit board, arranged above the top cover in a height direction, the circuit board being provided with a temperature collection circuit; a heat-conducting element, a first end of the heat-conducting element being connected to the circuit board, and at least part of the heat-conducting element being in contact with the top cover; and a temperature detection component, arranged on the heat-conducting element and signal-connected to the temperature collection circuit.

公开(公告)号：US20190207178A1

公开(公告)日：2019-07-04

申请号：US16227224

申请日：2018-12-20

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Wencai XU ,  Jihua YAO ,  Wenwen LIU

IPC: H01M2/10

Abstract: The present disclosure relates to a composite end plate for a battery module, comprising: a rigid substrate comprising a first surface and a second surface opposite to each other in a thickness direction of the rigid substrate, wherein the first surface can be provided to face a battery of the battery module, and the rigid substrate comprises two ends opposite to each other in a width direction of the rigid substrate; and a rigid connecting cylinder extending along a height direction of the rigid substrate and made of different material from that of the rigid substrate, wherein two ends of the rigid substrate are connected and fixed to two respective rigid connecting cylinders, and a portion of the rigid connecting cylinder exposed at a side where the second surface is located is connected and fixed to an external structural member.

公开(公告)号：US20230123740A1

公开(公告)日：2023-04-20

申请号：US16976138

申请日：2019-12-03

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Shubing YOU ,  Jihua YAO ,  Haidong ZHANG ,  Gen CAO

IPC: H01M10/48 ,  H01M10/04

Abstract: The present application relates to a battery module, a battery pack, a device, and a method for manufacturing a battery module. The battery module includes: a battery unit including a first total output electrode and a second total output electrode, the battery unit includes more than two battery assemblies arranged side by side and connected in series with each other; each of the battery assembles includes at least one secondary battery; a first output pole piece including a first connection portion connected to the first total output electrode, an intermediate connection portion, and a first output portion, the intermediate connection portion is connected to a side of the first connection portion close to the accommodation gap; a second output pole piece including a second connection portion connected to the second total output electrode and a second output portion.

公开(公告)号：US20190305272A1

公开(公告)日：2019-10-03

申请号：US16355637

申请日：2019-03-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Jihua YAO ,  Taosheng ZHU

IPC: H01M2/10

Abstract: The disclosure relates to a battery module. The battery module comprises: a first end plate, a plurality of batteries and a second end plate successively arranged in a direction, wherein the battery comprises a top cover; a connecting component, wherein the first end plate is fixedly connected to the second end plate through the connecting component; and a pulling component comprising a first connecting segment, an intermediate segment and a second connecting segment successively arranged, wherein the first connecting segment is fixedly connected to the first end plate, the intermediate segment is disposed facing the top cover, and the second connecting segment is fixedly connected to the second end plate, and wherein the pulling component can tighten the first end plate and the second end plate in an arrangement direction of the batteries to compress the batteries along with the first end plate and the second end plate.

公开(公告)号：US20180183025A1

公开(公告)日：2018-06-28

申请号：US15818131

申请日：2017-11-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Gen CAO ,  Shubing YOU

IPC: H01M2/10

Abstract: The present application relates to the technical field of batteries and, particularly, relates to an end plate of a battery module and a battery module. The end plate of a battery module includes a main body and an energy absorbing body, the energy absorbing body includes an acting portion and a connecting portion, the acting portion protrudes in a direction from the main body toward a battery, and the acting portion is connected with the main body through the connecting portion. After the battery module is assembled, if the battery of the battery module expands and applies an expansion force to the end plate, then the energy absorbing body will deform elastically, so as to absorb the expansion force of the battery. Therefore, the end plate can prevent the housing of the battery module from failure, so as to improve structural strength of the battery module.

公开(公告)号：US20210265692A1

公开(公告)日：2021-08-26

申请号：US17316528

申请日：2021-05-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Gen CAO ,  Jihua YAO

IPC: H01M50/242 ,  H01M50/209

Abstract: This application provides a battery module, including: a plurality of batteries, arranged sequentially along a thickness direction of the battery module; side plates, disposed on two opposite ends of the plurality of batteries in a width direction of the battery module; and a composite pad, disposed between two corresponding adjacent batteries along the thickness direction. The composite pad includes a cushion material sheet and a connecting strip disposed around the cushion material sheet. A first bulge is disposed on the connecting strip. A first via hole is disposed on each side plate. The first via hole corresponds to the first bulge. The first bulge is inserted into the first via hole so that the connecting strip is fixedly connected to the side plate.