公开(公告)号：US11101523B2

公开(公告)日：2021-08-24

申请号：US17133370

申请日：2020-12-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xianchun Zhu ,  Chao Zeng ,  Hua Cao

IPC: H01M50/383 ,  H01M50/249 ,  H01M50/581 ,  H01M50/204 ,  H01M50/375 ,  H01M10/42 ,  H01M10/48

Abstract: The present application relates to a battery pack. The battery pack comprises: two or more battery modules, each of the battery modules comprising a plurality of battery cells which are stacked in sequence, wherein each of the battery cells is provided with an explosion-proof valve; the battery pack further comprising a thermal alarm device and a battery management system, wherein the thermal alarm device is arranged corresponding to the explosion-proof valve; the thermal alarm device and the battery management system are connected to form a circuit; and a break of the circuit can be caused when the explosion-proof valve is exploded. The present application provides the thermal alarm device, and when thermal runaway occurs in the battery module, a circuit break is formed between the thermal alarm device and the battery management system, thus the thermal runaway status of the battery pack can be accurately reflected.

公开(公告)号：US11251500B2

公开(公告)日：2022-02-15

申请号：US16970180

申请日：2019-09-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xianchun Zhu ,  Chao Zeng ,  Hua Cao ,  Chong Wang

IPC: H01M50/383 ,  H01M10/42 ,  H01M50/143 ,  H01M50/176 ,  H01M50/581

Abstract: This disclosure provides a battery module and a battery pack. The battery module includes: a battery set including a plurality of batteries arranged in an array, each of the batteries includes an explosion-proof valve; a cover plate disposed on the battery set; and a thermosensitive assembly disposed between the battery set and the cover plate, the thermosensitive assembly being connected with the cover plate, the thermosensitive assembly including a thermosensitive wire, and thermosensitive wire can provide a prompt signal indicating that the explosion-proof valve of the battery is burst. The battery module according to embodiments of the present disclosure can accurately and effectively transmit the information regarding thermal runaway occurring in the battery to the outside, such that the battery module has a performance of alerting the thermal runaway.

公开(公告)号：US11417936B2

公开(公告)日：2022-08-16

申请号：US17139779

申请日：2020-12-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chong Wang ,  Hua Cao ,  Mu Qian ,  Xianchun Zhu

IPC: H01M50/531 ,  H01M50/174 ,  H01M50/207 ,  H01M50/519 ,  H01M50/244 ,  H01M50/204 ,  H01M50/287 ,  H01M50/209 ,  H01M50/284 ,  H01M50/50

Abstract: This application provides an output electrode assembly including a circuit board, a connector, an output electrode connecting sheet and a fastening base. The connector is disposed at one end of the circuit board in a longitudinal direction of the output electrode assembly, and the output electrode connecting sheet is spaced apart from the connector in a transverse direction of the output electrode assembly. The fastening base has a partition wall; a first mounting portion formed on one side of the partition wall in the transverse direction, where the connector is fixedly mounted to the first mounting portion; and a second mounting portion formed on the other side of the partition wall in the transverse direction, where the output electrode connecting sheet is fixedly mounted to the second mounting portion. The fastening base has functions of both an output electrode base and a connector mounting base in a battery module.

公开(公告)号：US20210126323A1

公开(公告)日：2021-04-29

申请号：US17139779

申请日：2020-12-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chong Wang ,  Hua Cao ,  Mu Qian ,  Xianchun Zhu

IPC: H01M50/531 ,  H01M50/519 ,  H01M50/174 ,  H01M50/207

Abstract: This application provides an output electrode assembly including a circuit board, a connector, an output electrode connecting sheet and a fastening base. The connector is disposed at one end of the circuit board in a longitudinal direction of the output electrode assembly, and the output electrode connecting sheet is spaced apart from the connector in a transverse direction of the output electrode assembly. The fastening base has a partition wall; a first mounting portion formed on one side of the partition wall in the transverse direction, where the connector is fixedly mounted to the first mounting portion; and a second mounting portion formed on the other side of the partition wall in the transverse direction, where the output electrode connecting sheet is fixedly mounted to the second mounting portion. The fastening base has functions of both an output electrode base and a connector mounting base in a battery module.

公开(公告)号：US11489230B2

公开(公告)日：2022-11-01

申请号：US16678125

申请日：2019-11-08

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xianchun Zhu ,  Chao Zeng ,  Hua Cao ,  Mu Qian

IPC: H01M50/375

Abstract: The present disclosure relates to the technical field of energy storage devices, and in particular, to a battery module and a battery pack. The battery module includes: a plurality of battery cells stacked in sequence, the plurality of battery cells being provided with vents; and a circuit board arranged above the plurality of battery cells. The circuit board is provided with a temperature sensing device, and a position of each of the temperature sensing device corresponds to positions of the vents. The temperature sensing device is connected to a battery management system to form a circuit, and the circuit is disconnected when any one of the vents is blasted.

公开(公告)号：US11450897B2

公开(公告)日：2022-09-20

申请号：US16700012

申请日：2019-12-02

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chong Wang ,  Hua Cao ,  Xianchun Zhu ,  Mu Qian ,  Lilei Su

IPC: H01M10/42 ,  H01M10/48 ,  H01M50/20 ,  H01M50/502

Abstract: The present disclosure provides a battery module, which can include a plurality of batteries, a positioning bracket, a circuit board, a thermistor and a fixing cover plate. The positioning bracket can be affixed onto the batteries and includes a first opening. The circuit board can have a main body portion disposed above the positioning bracket and a mounting portion located below the main body portion, the mounting portion can be contained in the first opening and supported on a battery of the plurality of batteries. The thermistor can be affixed on the mounting portion of the circuit board. The fixing cover plate can tightly press the mounting portion of the circuit board in the vertical direction to fix the mounting portion to the battery.

公开(公告)号：US11335960B2

公开(公告)日：2022-05-17

申请号：US16673534

申请日：2019-11-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chong Wang ,  Hua Cao ,  Xianchun Zhu ,  Mu Qian

IPC: H05K1/02 ,  H01M10/42 ,  H01M10/48 ,  H01M50/20

Abstract: The present disclosure provides a battery module comprising a circuit board, the circuit board comprises a conductive layer, a first pad and a second pad. The conductive layer is formed with a sampling circuit, the sampling circuit comprises: a sampling end portion; an outputting end portion; a first branch path formed with a first fusing zone; and a second branch path formed with a second fusing zone. The first pad is provided on the sampling end portion, the second pad is provided on the second branch path. When the first fusing zone is fused, the circuit board can be quickly repaired by means of the second branch path and the second pad to electrically connect the sampling end portion and the outputting end portion, thereby achieving the purpose of reusing the circuit board, therefore the entire battery module is not scrapped and the utilization of the battery module is improved.

公开(公告)号：US20200028143A1

公开(公告)日：2020-01-23

申请号：US16391661

申请日：2019-04-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Bohao Xu ,  Hua Cao ,  Mu Qian ,  Jihua Yao ,  Lin Zheng

IPC: H01M2/20 ,  H01M10/42 ,  H01M2/10 ,  H01M10/48

Abstract: Embodiments of the present invention provide a sampling component and a battery module. The sampling component is applied to a battery module and comprises: a busbar having a first surface and a second surface which are opposite to each other, the busbar comprising mounting slots formed by extending in a direction from the first surface to the second surface; a circuit board disposed on a side of the busbar; and, a connecting sheet, comprising a first flat portion and a bent portion which are connected to each other, one end of the first flat portion being connected to the busbar while the other end thereof being connected to the circuit board, the bent portion being located in the mounting slots.

公开(公告)号：US11641046B2

公开(公告)日：2023-05-02

申请号：US16760166

申请日：2019-11-26

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xianchun Zhu ,  Hua Cao ,  Chong Wang ,  Mu Qian ,  Shixin Wu

IPC: H01M50/517 ,  H01M50/503 ,  H01R4/18 ,  H01R4/48 ,  H01M50/569 ,  H01M10/48 ,  H01M50/50 ,  H01M6/50

Abstract: The present disclosure relates to a battery module, including two or more battery cells, each including an electrode terminal; a connecting member, wherein the electrode terminals of adjacent battery cells are connected by the connecting member; and a clamping-sampling member, including a wire connection portion for fixing a wire harness and a clamping portion, wherein one end of the clamping portion is connected with the wire connection portion and the other end of the clamping portion clamps the connecting member.

公开(公告)号：US11063321B2

公开(公告)日：2021-07-13

申请号：US16391661

申请日：2019-04-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Bohao Xu ,  Hua Cao ,  Mu Qian ,  Jihua Yao ,  Lin Zheng

IPC: H01M50/503 ,  H01M50/502 ,  H01M10/42 ,  H01M10/48 ,  H01M50/20

Abstract: Embodiments of the present invention provide a sampling component and a battery module. The sampling component is applied to a battery module and comprises: a busbar having a first surface and a second surface which are opposite to each other, the busbar comprising mounting slots formed by extending in a direction from the first surface to the second surface; a circuit board disposed on a side of the busbar; and, a connecting sheet, comprising a first flat portion and a bent portion which are connected to each other, one end of the first flat portion being connected to the busbar while the other end thereof being connected to the circuit board, the bent portion being located in the mounting slots.