Shaping processing method for arc-shaped battery, and arc-shaped battery

Abstract

The invention provides a shaping processing method for an arc-shaped battery, and the arc-shaped battery. The shaping processing method for the arc-shaped battery comprises the following steps: carrying out pre-pressing operation on a battery cell so as to allow the battery cell to form an arc-shaped battery cell; providing a shaped battery cell; connecting the shaped battery cell with the arc-shaped battery cell; performing stamping operation on an aluminum-plastic film sheet body so as to allow an arc-shaped accommodating groove matched with the arc-shaped battery cell to be formed in the aluminum-plastic film sheet body; placing the shaped battery cell and the arc-shaped battery cell which are connected with each other in the arc-shaped accommodating groove; and bending the aluminum-plastic film sheet body to allow the aluminum-plastic film sheet body to form an arc-shaped packaging sleeve covering the shaped battery cell and the arc-shaped battery cell. According to the invention, the flat battery cell is quickly bent and pressed into an arc-shaped structure through pre-pressing operation, so the processing time of bending and pressing is favorably shortened; the arc-shaped battery cell is fixed through the shaped battery cell, so the arc-shaped battery keeps self radian in the processes of transportation and circulation; and as bending operation does not need to be carried out on an packaged aluminum-plastic film, wrinkles caused by bending operation can be effectively avoided.

Description

technical field [0001] The invention relates to the technical field of arc batteries, in particular to a shape-setting processing method for arc batteries and the arc batteries. Background technique [0002] In order to make the arrangement of various types of electronic components inside the electronic device more compact and to use the space inside the electronic device more effectively, the industry has begun to use various special-shaped secondary batteries including curved batteries. [0003] The traditional arc-shaped pouch battery directly punches the formed flat pouch battery, and the flat pouch battery is deformed into an arc-shaped structure through a long stamping time. However, the traditional arc-shaped pouch battery After bending, the aluminum-plastic film packaging sleeve will produce more wrinkles, resulting in poor surface flatness of the curved pouch battery; in addition, although the traditional curved pouch battery has undergone a long press Bending time...

AI Technical Summary

Problems solved by technology

[0003] The traditional arc-shaped pouch battery directly stamps the formed flat pouch battery, and the flat pouch battery is deformed into an arc-shaped structure through a long stamping time. However, the traditional arc-shaped pouch battery After bending, the aluminum-plastic film packaging sleeve will produce more wrinkles, resulting in poor surface flatness of the curved pouch battery; in addition, although the traditional curved pouch battery has undergone a long press Bending time, but the internal cells of the curved pouch battery still inevitably have rebound stress, which makes the curved pouch battery spontaneously deform from the arc structure to the flat structure, resulting in the arc pouch battery being cycled and stored The arc will change greatly during the process

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