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Metal circular button cell and sealing method thereof

A button battery, circular technology, applied in the direction of battery pack components, circuits, electrical components, etc., can solve the problems of not being able to strengthen the explosion-proof protection function of the battery, inconvenient adjustment of the seal and pouring of electrolyte, and increasing the difficulty of battery sealing, etc., to achieve Accelerate battery formation, avoid bursting again, and reduce cost

Pending Publication Date: 2020-12-11
广东幺正科技有限公司
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a metal circular button battery and a sealing method thereof, to solve the problem that the chemical battery in the existing button battery on the market is inconvenient to adjust the sealing and the pouring of the electrolyte. Increase the difficulty of battery sealing, and can not further strengthen the explosion-proof protection function of the battery

Method used

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  • Metal circular button cell and sealing method thereof
  • Metal circular button cell and sealing method thereof
  • Metal circular button cell and sealing method thereof

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] see Figure 1-6, the present invention provides a technical solution: a metal round button battery and its sealing method, comprising a metal round button battery case 1, a metal round button battery cap 2, a first aluminum sheet 201, a second aluminum Sheet 202, inner explosion-proof nickel sheet 3, liquid injection hole 4, modified PP layer 401, inner adhesive layer 402, aluminum foil 403, outer adhesive layer 404, polytetrafluoroethylene film layer 4...

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Abstract

The invention discloses a metal circular button cell and a sealing method thereof. The metal circular button cell comprises a metal circular button cell shell and an outer explosion-proof nickel sheet, wherein the upper side of the metal circular button cell shell is welded with a metal circular button cell cap, and the middle part of the metal circular button cell cap is welded with an inner explosion-proof nickel sheet; and a liquid injection hole is formed in the metal circular button cell cap. According to the metal round button cell and the sealing method thereof, the liquid injection hole with the diameter of 1.2 mm is reserved in the metal circular button cell cap, the metal circular button cell cap and the metal circular button cell shell are directly welded in a sealed mode in a laser welding mode, and electrolyte can be poured only by directly utilizing the liquid injection hole in the later period; and liquid injection can be carried out for multiple times according to the model and the liquid injection amount of the battery, so that the electrolyte is fully immersed and fully absorbed by the battery cell, the battery is rapidly assembled, and the pouring of the electrolyte is not influenced.

Description

technical field [0001] The invention relates to the related technical field of metal circular button batteries, in particular to a metal circular button battery and a sealing method thereof. Background technique [0002] Metal circular button battery is the button battery that is frequently used in the market. The shape, appearance and size of this type of battery are similar to buttons. It has the characteristics of large diameter and thin thickness. It is often used as a backup power supply for various electronic products. There are many types of button batteries. According to the materials used, they can be divided into silver oxide batteries, lithium batteries, alkaline manganese batteries, etc. There are certain differences in the advantages and disadvantages of button batteries made of different materials, which can be used according to different equipment. Choose a more suitable button battery to maximize the advantages of the button battery. As one of the chemical ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M2/04H01M2/12
Inventor 屈志高方锦平
Owner 广东幺正科技有限公司
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