公开(公告)号：US11923556B2

公开(公告)日：2024-03-05

申请号：US16827224

申请日：2020-03-23

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/24 ,  H01M50/209 ,  H01M50/289 ,  H01M50/103

CPC classification number: H01M50/24 ,  H01M50/209 ,  H01M50/289 ,  H01M50/103 ,  H01M2220/20

Abstract: A battery pack for optimizing the structure of the battery pack includes a case, a battery module and a blocking member. The case includes an accommodating cavity and a drain hole in communication with the accommodating cavity. The battery module is contained inside the accommodating cavity. The blocking member is mounted to the case, and located between the drain hole and the battery module to block a binder for fixing the battery module from entering the drain hole. In the above-described technical solution, the blocking member can produce the effect of reducing or even avoiding binder for fixing the battery module from clogging in the drain hole.

公开(公告)号：US11563248B2

公开(公告)日：2023-01-24

申请号：US16856883

申请日：2020-04-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Kaijie You ,  Yongguang Wang ,  Yu Tang ,  Weilong Lin ,  Jun Ma

IPC: H01M50/20 ,  H01M50/543 ,  H01M10/04

Abstract: A battery pack and a vehicle, wherein the battery pack includes a box assembly, a battery unit, a constraint component and an outer cover, the box assembly includes a box body and a fixed beam, the fixed beam is fixed in the box body; the battery unit is arranged in the box body; the constraint component covers the battery unit and is fixed with the fixed beam; and the outer cover is arranged on one side of the constraint component away from the box body to seal an open end of the box body.

公开(公告)号：US11251493B2

公开(公告)日：2022-02-15

申请号：US16994247

申请日：2020-08-14

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/20 ,  H01M50/10 ,  F16B37/06

Abstract: A battery pack, includes a box assembly including a box body and a plurality of fixed beams, a plurality of battery modules, and a plurality of constraint components, each of which includes a limiting portion, a first mounting portion and a second mounting portion. The first mounting portion is provided with a plurality of first mounting holes along a length direction of the fixed beams. The second mounting portion is provided with a plurality of second mounting holes along the length direction. A plurality of first fasteners respectively pass through the first mounting holes and are fixed to one fixed beam. A plurality of second fasteners respectively pass through the second mounting holes and are fixed to the other fixed beam. The first mounting hole and the second mounting hole have different adjustment amounts in the arrangement direction.

公开(公告)号：US11101520B2

公开(公告)日：2021-08-24

申请号：US16506301

申请日：2019-07-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi Chen ,  Peng Wang ,  Linggang Zhou ,  Yanhuo Xiang ,  Kaijie You

IPC: H01M50/20

Abstract: The present disclosure relates to a battery module including a plurality of battery unit array structures and a battery container body. The battery container body includes a first container body and a second container body that are in a split structure. The first container body is disposed at a side of the second container body and provided with a first accommodating cavity. The second container body is provided with a second accommodating cavity. The plurality of battery unit array structures is disposed between the first container body and the second container body by means of a mutual cooperation of the first accommodating cavity and the second accommodating cavity. Compared with the related art, since the first or second container body is used for transportation, it is unnecessary to introduce an additional component, thereby enhancing the energy density of the battery module.

公开(公告)号：US11094994B2

公开(公告)日：2021-08-17

申请号：US16394148

申请日：2019-04-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi Chen ,  Kaijie You ,  Yu Tang ,  Ziyuan Li ,  Yuepan Hou ,  Jun Ma

IPC: H01M50/24 ,  H01M10/658 ,  A62C3/16 ,  H01M50/256 ,  H01M50/383 ,  H01M50/30

Abstract: The present disclosure discloses a battery module and a battery pack. The battery module comprises a plurality of battery cells and a fireproof member, wherein each of the plurality of battery cells is provided with a vent, and the vent faces the fireproof member; wherein the fireproof member includes a fireproof member body and a first extension connected to an upper end of the fireproof member; and/or a second extension connected to a lower end of the fireproof member. When thermal runaway occurs to the battery cells, flames and high temperature particles ejected out of the vent are blocked by the fireproof member body and the first extension and/or the second extension, thus preventing the ejected flames and high temperature particles from burning neighboring battery cells, and preventing the battery cells that has undergone thermal runaway from inducing thermal runaway of the neighboring battery cells opposite to the vents.

公开(公告)号：US12034137B2

公开(公告)日：2024-07-09

申请号：US16962605

申请日：2018-12-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Kaijie You ,  Linggang Zhou ,  Derong Wang ,  Libing Chan

IPC: H01M10/6554 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M50/209 ,  H01M50/244

CPC classification number: H01M10/6554 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M50/209 ,  H01M50/244 ,  H01M2220/20

Abstract: This disclosure relates to the technical field of energy storage devices, and in particular, to a mounting bracket for a cell supervision circuit, a battery pack, and a vehicle. The mounting bracket includes: a management system mounting part, including a management system mounting surface, which is configured to mount a cell supervision circuit; and a thermally conductive part, configured to fit snugly to a container of the battery pack, which is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located.

公开(公告)号：US12027719B2

公开(公告)日：2024-07-02

申请号：US17355761

申请日：2021-06-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu Tang ,  Linggang Zhou ,  Ziyuan Li ,  Peng Wang ,  Kaijie You ,  Xingdi Chen

IPC: H01M50/262 ,  H01M10/04 ,  H01M50/209 ,  H01M50/227 ,  H01M50/264 ,  H01M50/296 ,  H01M50/50 ,  H01M50/502

CPC classification number: H01M50/262 ,  H01M10/0413 ,  H01M50/209 ,  H01M50/227 ,  H01M50/264 ,  H01M50/296 ,  H01M50/50 ,  H01M50/502

Abstract: The present application provides a battery module, which includes a plurality of batteries, an end plate and an output electrode connecting sheet. The plurality of batteries are arranged in a longitudinal direction. The end plate has: a main body portion, located on one side of the plurality of batteries in the longitudinal direction; and an extension portion, formed on the main body portion and extending in the longitudinal direction away from the batteries. The output electrode connecting sheet has: a first connecting portion, connected to a corresponding battery; and a second connecting portion, connected to one end of the first connecting portion and fixed to the extension portion of the end plate.

公开(公告)号：US12009546B2

公开(公告)日：2024-06-11

申请号：US17125436

申请日：2020-12-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi Chen ,  Kaijie You ,  Yu Tang ,  Yuepan Hou ,  Ziyuan Li ,  Jun Ma

IPC: H01M50/507 ,  H01M50/209 ,  H01M50/264 ,  H01M50/296 ,  H01M50/50 ,  H01M50/536 ,  H01M50/54 ,  H01M50/55

CPC classification number: H01M50/507 ,  H01M50/209 ,  H01M50/264 ,  H01M50/296 ,  H01M50/50 ,  H01M50/536 ,  H01M50/54 ,  H01M50/55

Abstract: The present application relates to a battery module and a battery pack, the battery module including a battery cell arrangement structure, bus bars and a fixing plate, where the battery cell arrangement structure includes a plurality of battery cells; the plurality of battery cells are electrically connected by means of a plurality of the bus bars to form a first output electrode of the battery module and a second output electrode of the battery module, and the first output electrode of the battery module and the second output electrode of the battery module are arranged at a same end of the battery module along a horizontal direction; the fixing plate is provided with an insulating portion, and at least a part of the insulating portion is located between the first output electrode of the battery module and the second output electrode of the battery module.

公开(公告)号：US12002994B2

公开(公告)日：2024-06-04

申请号：US17488437

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M10/00 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/507 ,  H01M50/553

CPC classification number: H01M50/507 ,  H01M10/0585 ,  H01M50/209 ,  H01M50/553 ,  H01M2220/20

Abstract: The present application provides a battery module, a battery pack, and a battery-powered apparatus. The battery module includes a plurality of battery units and a busbar assembly. The plurality of battery units are arranged in a horizontal direction, where each battery unit includes a plurality of batteries stacked in a vertical direction, the plurality of batteries include a first battery and a second battery, the first battery and the second battery each include a first electrode terminal, a second electrode terminal, and an explosion-proof piece. A busbar assembly electrically connects the plurality of battery units, where the busbar assembly includes a first busbar connected to the first electrode terminal and the second electrode terminal. In a first direction perpendicular to the vertical direction and the horizontal direction, the first busbar includes a first weak zone that at least partially overlaps with the explosion-proof piece of the first battery.

公开(公告)号：US12002981B2

公开(公告)日：2024-06-04

申请号：US16838064

申请日：2020-04-02

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xingdi Chen ,  Kaijie You ,  Peng Wang ,  Yongguang Wang ,  Zequan Lu

IPC: H01M50/26 ,  H01M50/211 ,  H01M50/262 ,  H01M50/271 ,  H01M50/291

CPC classification number: H01M50/262 ,  H01M50/211 ,  H01M50/271 ,  H01M50/291 ,  H01M2220/20

Abstract: A battery pack for optimizing the structure of the battery pack includes a case, a battery module and a blocking member. The case includes an accommodating cavity and a drain hole in communication with the accommodating cavity. The battery module is contained inside the accommodating cavity. The blocking member is mounted to the case, wherein the blocking member is disposed on one side of the battery module in a width direction. At least a part of the blocking member is arranged between the battery module and the drain hole to block a binder for fixing the battery module from entering the drain hole. The reservoir cavity is provided, such that the liquid flow into a reservoir portion to prevent dangers such as short-circuit occurring in the battery module when liquid is accumulated inside the case.