公开(公告)号：US20230344017A1

公开(公告)日：2023-10-26

申请号：US18345261

申请日：2023-06-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chenyi XU ,  Junxiang MA ,  Xiaoteng HUANG ,  Jun LIU ,  Haiqi YANG ,  Langchao HU ,  Danyue XUE

IPC: H01M10/42 ,  H01M50/383 ,  H01M50/244

CPC classification number: H01M10/4207 ,  H01M50/383 ,  H01M50/244 ,  H01M2220/20

Abstract: A battery includes multiple battery cells arranged in a first direction and each provided with a pressure relief mechanism configured to be actuated when the internal pressure or temperature of the battery cell reaches a threshold to relieve the internal pressure, a fire-extinguishing pipe configured to accommodate a fire-extinguishing medium and to release the fire-extinguishing medium during actuation of the pressure relief mechanism, a restraining member disposed at an end of the multiple battery cells along the first direction and configured to restrain the multiple battery cells in the first direction, and a fastener attached to a surface of the restraining member facing toward the fire-extinguishing pipe and configured to fasten the fire-extinguishing pipe.

公开(公告)号：US20230361425A1

公开(公告)日：2023-11-09

申请号：US18355702

申请日：2023-07-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoteng HUANG ,  Chenyi XU ,  Langchao HU ,  Junxiang MA ,  Haiqi YANG ,  Jun LIU ,  Peng WANG ,  Zhanyu SUN

IPC: H01M50/30 ,  H01M50/317 ,  H01M10/48

CPC classification number: H01M50/394 ,  H01M50/317 ,  H01M10/482 ,  H01M2200/10 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery includes a battery cell having a first wall provided with a pressure relief mechanism configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold, a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium when the pressure relief mechanism is actuated, a first fixing member disposed on a side of the fire-fighting pipeline close to the first wall and provided with first and second limiting parts, and a second fixing member disposed on a side of the fire-fighting pipeline away from the first wall and provided with third and fourth limiting parts. The third and first limiting parts match each other to fix the fire-fighting pipeline between the first and second fixing members. The fourth and second limiting parts match each other to limit the second fixing member in an extending direction of the fire-fighting pipeline.

公开(公告)号：US20220021070A1

公开(公告)日：2022-01-20

申请号：US17489281

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haiqi YANG ,  Xingyuan WU ,  Minjie ZHENG ,  Jiarong HONG ,  Langchao HU

IPC: H01M50/325 ,  H01M50/204 ,  H01M50/249 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556

Abstract: An embodiment of the present application provides a battery pack and a device. The battery pack includes a battery module, a heat exchange member, a flow guide piece and a heat-conducting connecting piece. The battery module includes a plurality of batteries. Each battery is provided with an explosion-proof valve. The heat exchange member includes a heat exchange plate. The heat exchange plate is connected to the plurality of batteries through the heat-conducting connecting piece, and the heat exchange plate at least partially covers each explosion-proof valve. The flow guide piece is arranged between the plurality of batteries and the heat exchange plate, the flow guide piece is provided with a positioning hole penetrating in a height direction of the battery pack, and the positioning hole exposes the corresponding explosion-proof valve. The flow guide piece separates the corresponding explosion-proof valve from the heat-conducting connecting piece.

公开(公告)号：US20210305638A1

公开(公告)日：2021-09-30

申请号：US17320291

申请日：2021-05-14

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Siying HUANG ,  Xiaojun YANG ,  Hao SUN ,  Langchao HU ,  Jinmei XU ,  Yanpeng LI ,  Guobao WANG ,  Shengkai WU ,  Hai MA ,  Zhibing SU

IPC: H01M10/633 ,  H02J7/00 ,  H01M10/613

Abstract: The present application relates to a method and an apparatus for controlling a temperature of a battery pack, a battery management system, and a storage medium. The method for controlling a temperature of a battery pack includes: detecting a SOC of the battery pack; determining a SOC interval in which the SOC is located from a plurality of preset SOC intervals; determining a target temperature threshold corresponding to the SOC interval under a condition that a preset battery pack life requirement is met, based on a mapping relationship between preset SOC intervals, target temperature thresholds and battery pack life; and performing thermal management on the battery pack based on the target temperature threshold; where the performing thermal management on the battery pack based on the target temperature threshold comprises cooling the battery pack based on the target temperature threshold.

公开(公告)号：US20240229995A1

公开(公告)日：2024-07-11

申请号：US18612777

申请日：2024-03-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chenyi XU ,  Xiaoteng HUANG ,  Langchao HU ,  Haiqi YANG ,  Peng WANG ,  Zhimin ZENG ,  Yu TANG

IPC: F16L33/34 ,  F16L43/00 ,  F28F9/02 ,  H01M10/656

CPC classification number: F16L33/34 ,  F16L43/008 ,  F28F9/0256 ,  H01M10/656 ,  F28F2275/067

Abstract: A tube connector includes a body. A fluid channel is formed inside the body. A first connecting portion configured to be connected to the round tube and a second connecting portion configured to be connected to the flat tube are formed on the body. The first connecting portion is a hollow columnar structure. The second connecting portion includes an oblong interface. A weld face that fits a shape of the flat tube is formed on an inner sidewall of the interface.

公开(公告)号：US20240113385A1

公开(公告)日：2024-04-04

申请号：US18532827

申请日：2023-12-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Langchao HU ,  Xiaoteng HUANG ,  Haiqi YANG ,  Chenyi XU ,  Peng WANG ,  Zhanyu SUN

IPC: H01M50/383 ,  A62C3/07 ,  H01M50/375 ,  H01M50/655 ,  H01M50/682

CPC classification number: H01M50/383 ,  A62C3/07 ,  H01M50/375 ,  H01M50/655 ,  H01M50/682 ,  H01M50/291 ,  H01M2200/10 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery includes a battery cell including a pressure relief mechanism configured to be actuated to release an internal pressure when the internal pressure or a temperature of the battery cell reaches a threshold value, a firefighting pipeline configured to accommodate a fire extinguishing medium and configured to discharge the fire extinguishing medium when the pressure relief mechanism is actuated, and a fixing member arranged between the battery cell and the firefighting pipeline and configured to fix the firefighting pipeline. The fixing member is provided with a flow passage area and a flow guiding structure. The flow passage area is configured to cause the fire extinguishing medium to flow through the flow passage area to the battery cell when the pressure relief mechanism is actuated. The flow guiding structure is configured to guide the fire extinguishing medium towards the flow passage area when the pressure relief mechanism is actuated.

公开(公告)号：US20220090692A1

公开(公告)日：2022-03-24

申请号：US17540296

申请日：2021-12-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fan ZHANG ,  Lei CHEN ,  Heyuan LI ,  Langchao HU

IPC: F16K17/196 ,  H01M50/325

Abstract: A valve, a battery and a power consumption device are disclosed, the valve includes a valve body, a barrier, a first unidirectional valve core and a second unidirectional valve core. The valve body includes a fluid channel; the barrier is disposed in the fluid channel, and separates the fluid channel into a first cavity and a second cavity, the barrier is provided with a first through hole and a second through hole communicating the first cavity and the second cavity; the first unidirectional valve core is configured to close or open the first through hole; the second unidirectional valve core is configured to close or open the second through hole, opening directions of the first unidirectional valve core and the second unidirectional valve core are opposite. The valve is compact and capable of implementing a bi-directional flow of fluid.

公开(公告)号：US20220333706A1

公开(公告)日：2022-10-20

申请号：US17854687

申请日：2022-06-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fan ZHANG ,  Lei CHEN ,  Heyuan LI ,  Langchao HU

IPC: F16K17/196 ,  H01M50/325 ,  H01M50/204

Abstract: Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.

公开(公告)号：US20230361423A1

公开(公告)日：2023-11-09

申请号：US18224580

申请日：2023-07-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Langchao HU ,  Xiaoteng HUANG ,  Haiqi YANG ,  Chenyi XU ,  Xiaozhi WU ,  Peng WANG ,  Zhanyu SUN

IPC: H01M50/317 ,  H01M50/204 ,  H01M10/04 ,  H01M50/383

CPC classification number: H01M50/383 ,  H01M10/04 ,  H01M50/204 ,  H01M50/317 ,  H01M2220/20

Abstract: A battery may include: a battery cell, where a pressure relief structure may be provided on a first wall of the battery cell; a fire-extinguishing pipeline to accommodate a fire-extinguishing medium, and the fire-extinguishing pipeline may be configured to discharge the fire-extinguishing medium during actuation of the pressure relief structure; a first fastener, where the first fastener may be fastened to a surface of the first wall of the battery cell away from the interior of the battery cell, and the first fastener may be provided with a first limiting portion; and a second fastener, where the second fastener may be provided on a side of the first fastener away from the battery cell, the second fastener may be provided with a second limiting portion, and the second limiting portion may cooperate with the first limiting portion to fasten the fire-extinguishing pipeline between the first fastener and the second fastener.

公开(公告)号：US20230250885A1

公开(公告)日：2023-08-10

申请号：US18134978

申请日：2023-04-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fan ZHANG ,  Lei CHEN ,  Heyuan LI ,  Langchao HU

IPC: F16K17/196 ,  H01M50/204 ,  H01M50/325

CPC classification number: F16K17/196 ,  H01M50/204 ,  H01M50/325 ,  H01M2200/20

Abstract: Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.