公开(公告)号：US11662036B2

公开(公告)日：2023-05-30

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 ,  H01M50/204 ,  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.

公开(公告)号：US11152656B1

公开(公告)日：2021-10-19

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

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：US12018764B2

公开(公告)日：2024-06-25

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 ,  F16K15/04 ,  F16K15/06 ,  F16K17/04 ,  H01M50/308 ,  H01M50/325 ,  H01M50/333

CPC classification number: F16K17/196 ,  F16K15/063 ,  F16K17/0413 ,  H01M50/325 ,  H01M50/333 ,  F16K15/044 ,  F16K17/0406 ,  H01M50/308

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：US20230420798A1

公开(公告)日：2023-12-28

申请号：US18466850

申请日：2023-09-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Langchao Hu ,  Xiaoteng Huang ,  Haiqi Yang ,  Chenyi Xu ,  Xiaozhi Wu ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/383 ,  H01M50/342 ,  H01M50/673 ,  H01M10/04

CPC classification number: H01M50/383 ,  H01M50/3425 ,  H01M50/673 ,  H01M10/0404 ,  H01M2200/10 ,  H01M2200/20

Abstract: Provided are a battery, an electric apparatus, and a method and an apparatus for manufacturing battery, so as to enhance safety performance of the battery. The battery includes: a battery cell, where a first wall of the battery cell is provided with a pressure relief mechanism; a firefighting pipe configured to accommodate a firefighting medium and discharge the firefighting medium when the pressure relief mechanism is actuated; and a fixing member disposed between the first wall and the firefighting pipe. The firefighting pipe includes a first restraint member, and the fixing member includes a second restraint member, where the two restraint members fit with each other to restrict the firefighting pipe in a first direction and a second direction, the first direction is perpendicular to the first wall, and the second direction is parallel to the first wall and perpendicular to an extending direction of the firefighting pipe.

公开(公告)号：US11973243B2

公开(公告)日：2024-04-30

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

CPC classification number: H01M50/394 ,  H01M10/482 ,  H01M50/317 ,  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.