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Battery cell, battery, electrical device, manufacturing method, and manufacturing equipment

A technology for battery cells and shells, which is applied to battery pack parts, circuits, electrical components, etc., can solve problems such as blasting and pressure relief, reduce alternating stress, reduce deformation, and improve safety and stability in use sexual effect

Active Publication Date: 2021-07-16
JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] This application provides a battery cell, battery, electrical device, manufacturing method and manufacturing equipment, aiming to solve the problem of explosion and pressure relief when the battery cell does not have thermal runaway

Method used

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  • Battery cell, battery, electrical device, manufacturing method, and manufacturing equipment
  • Battery cell, battery, electrical device, manufacturing method, and manufacturing equipment
  • Battery cell, battery, electrical device, manufacturing method, and manufacturing equipment

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Embodiment Construction

[0068] The implementation manner of the present application will be further described in detail below with reference to the drawings and embodiments. The detailed description and drawings of the following embodiments are used to illustrate the principles of the application, but not to limit the scope of the application, that is, the application is not limited to the described embodiments.

[0069] In the description of this application, it should be noted that, unless otherwise specified, the meaning of "plurality" is more than two; the terms "upper", "lower", "left", "right", "inner", " The orientation or positional relationship indicated by "outside" and so on are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to this app...

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Abstract

The present application relates to a battery cell, a battery, an electrical device, a manufacturing method and a manufacturing device. The battery cell includes: a casing, the casing has a wall; a pressure relief mechanism, the pressure relief mechanism is arranged on the wall, the pressure relief mechanism includes a main body and a weak part connected to the main body, the main body is used for connecting the wall, and the pressure relief mechanism is connected to the wall. The pressure mechanism is used to destroy the weak part to release the pressure when the internal pressure or temperature of the battery cell reaches the threshold value; the pressure relief mechanism also includes a reinforcement part arranged on the main body in its own thickness direction, and the reinforcement part is used to reduce the thickness of the main body. The deformation of the part; the reinforcing part protrudes outward from the surface of the main part along the thickness direction. The battery cell provided by the present application aims to solve the problem of explosion and pressure release of the battery cell when thermal runaway does not occur.

Description

technical field [0001] The present application relates to the technical field of batteries, in particular to a battery cell, a battery, an electrical device, a manufacturing method, and a manufacturing device. Background technique [0002] Due to the advantages of high energy density, high power density, high cycle times and long storage time, rechargeable batteries have been widely used in electric vehicles, mobile devices or power tools. A battery includes a plurality of battery cells connected in series, parallel or in parallel. During the use of the battery, when the battery cell does not experience thermal runaway, there may be explosion and pressure release, which affects the normal use of the battery. Contents of the invention [0003] The present application provides a battery cell, a battery, an electrical device, a manufacturing method, and a manufacturing device, aiming to solve the problem of explosion and pressure release of the battery cell when thermal runa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M50/209H01M50/249H01M50/258H01M50/375
CPCY02E60/10
Inventor 杨剑雄黄思应郭志君
Owner JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
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