Shell assembly and battery

Abstract

The invention discloses a shell assembly and a battery, and relates to the technical field of batteries. The shell assembly comprises a body, a containing groove is defined by the body, the end face of the open end of the containing groove is connected with the inner wall of the body through an inclined face, the width of the end face of the open end is smaller than the thickness of the body, and the inclined face extends towards the radial inner side of the containing groove in the direction close to the bottom wall of the containing groove. And the inclined surface can form a bucket-shaped structure of which the inner diameter is gradually reduced at the open end of the containing groove, so that a battery cell pole group mounted in the containing groove can play a guiding role, and the assembly of the battery is facilitated. And meanwhile, the inclined surface is arranged at the open end, so that the problem of collision between the battery core pole group and the body can be avoided when the battery core pole group is mounted, and the mounting safety of the battery core pole group is improved. In addition, the inclined plane can also prevent burrs generated during cutting from falling into the containing groove, so that the risk of generating metal particles in the containing groove can be reduced, and the use safety of the shell assembly is also improved.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a casing assembly and a battery. Background technique [0002] Existing batteries are usually assembled in the casing when the battery is installed. The casing is usually a one-piece structure, and the accommodating groove for accommodating the cell and electrode group is usually formed by cutting. The existing cutting process is often difficult to avoid Burrs are formed at the ends, and the burrs are not only easy to damage the electrode assembly of the battery, reducing the assembly efficiency of the battery, but also easy to fall into the receiving groove, thereby causing safety hazards. In addition, the battery cell electrode group is often prone to collision with the casing during assembly, and damages the assembly effect of the casing and the battery cell electrode group. [0003] Therefore, there is an urgent need for a casing assembly and a battery, which can improve t...

AI Technical Summary

Problems solved by technology

[0002] Existing batteries are usually assembled in the casing when the battery is installed. The casing is usually a one-piece structure, and the accommodating groove for accommodating the cell and electrode group is usually formed by cutting. The existing cutting process is often difficult to avoid Burrs are formed at the end, which not only easily damages the cell electrode group, reduces the assembly efficiency of the battery, but also easily falls into the storage tank, thereby causing safety hazards

In addition, the battery pole group is often easy to collide with the shell during assembly, and damage the assembly effect of the shell and the battery pole set

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