Apparatus and method for manufacturing secondary battery

Abstract

The present invention relates to an apparatus for manufacturing a secondary battery, comprising: a first measuring unit for photographing unit cells which are continuously conveyed, each unit cell having a first electrode and a second electrode that have opposite polarities, and for measuring a position of the first electrode having a larger size than that of the second electrode in the photographed image of the unit cell; and a first disposing unit for disposing the unit cells having passed through the first measuring unit at a predetermined position of a separating sheet, wherein a gap between the unit cells disposed in the separating sheet is adjusted on the basis of the first electrode measured by the first measuring unit.

Description

technical field [0001] Cross References to Related Applications [0002] This application claims the benefit of priority from Korean Patent Application No. 10-2018-0035137 filed on March 27, 2018, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to an apparatus and method for manufacturing a secondary battery, and more particularly, to an apparatus and method for manufacturing a secondary battery capable of improving quality when a plurality of unit cells are stacked. Background technique [0004] In general, secondary batteries refer to batteries that are rechargeable and dischargeable, unlike primary batteries that are not rechargeable. Secondary batteries are widely used in high-tech electronics, such as mobile phones, notebook computers, and camcorders. [0005] Such a secondary battery is classified into a can type secondary battery in which an electrode assembly is built in a metal can and a p...

AI Technical Summary

Problems solved by technology

[0008] However, in the stacked and folded type electrode assembly, when the interval between the unit cells arranged on the separator film is based on the electrode arranged on the outermost side of the unit cell, since the electrode arranged on the outermost side of the unit cell and the electrode arranged on the outermost side of the unit cell The electrodes inside are different in size, so the interval between the unit cells arranged on the separator varies, so it is impossible to precisely adjust the interval between the unit cells

And, when the interval between the unit cells is adjusted based on the separator provided in the unit cell, it is impossible to precisely adjust the interval between the unit cells due to shrinkage of the separator

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