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Pressing short-circuit testing apparatus for detecting low-voltage defective pouch-type secondary battery cell

A technology for secondary batteries and inspection equipment, which is used in secondary batteries, secondary battery testing, secondary battery repair/maintenance, etc. Short circuit and other problems to achieve the effect of saving cost and space, increasing extrusion force and improving product productivity

Active Publication Date: 2021-11-26
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, at present, the "[+]"-shaped jig squeezes the battery cell body so weakly that it cannot properly cause a temporary short circuit of the positive and negative electrode plates in the defective part of the separator, thus not performing accurate an examination

Method used

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  • Pressing short-circuit testing apparatus for detecting low-voltage defective pouch-type secondary battery cell
  • Pressing short-circuit testing apparatus for detecting low-voltage defective pouch-type secondary battery cell
  • Pressing short-circuit testing apparatus for detecting low-voltage defective pouch-type secondary battery cell

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Embodiment Construction

[0053] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Before the description, it should be understood that the terms used in the specification and appended claims should not be construed as limited to the ordinary and dictionary meanings, but on the basis of the principle of allowing the inventor to properly define the terms for best interpretation , the terms are interpreted based on meanings and concepts corresponding to technical aspects of the present disclosure. Therefore, the descriptions presented herein are preferred examples for illustrative purposes only, and are not intended to limit the scope of the present disclosure, so it should be understood that other equivalents can be made thereto without departing from the scope of the present disclosure. programs and modifications.

[0054] The pressurized short-circuit inspection apparatus according to the present disclosure described ...

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Abstract

A pressing short-circuit testing apparatus according to the present invention comprises: compression plates which are arranged at a predetermined separation distance from each other so as to allow at least one of secondary battery cells to be inserted therebetween each time and move in an + / -X-axis direction so that the separation distance is adjusted; and pressing short-circuit testing assemblies, each comprising: a cell pressing unit for pressing a predetermined region of a body of the secondary battery cell; and a power supply unit which comes into contact with an electrode lead portion of the secondary battery cell to apply a test voltage thereto, and being mounted in each of the compression plates to be movable in an + / -Y-axis direction.

Description

technical field [0001] The present disclosure relates to an apparatus for detecting a low-voltage defective secondary battery cell, and more particularly, to an apparatus for detecting a low-voltage defective secondary battery cell by squeezing a fully encapsulated pouch-type secondary battery cell and applying an electric current thereto Body pressurized short-circuit inspection equipment. [0002] This application claims priority from Korean Patent Application No. 10-2019-0114920 filed in Korea on September 18, 2019, the disclosure of which is incorporated herein by reference. Background technique [0003] Recently, the demand for secondary batteries as an environment-friendly energy source is rapidly increasing. Among such secondary batteries, lithium secondary batteries are commercialized and widely used due to high energy density, high operating potential, long cycle life, and low self-discharge rate. [0004] A lithium secondary battery includes: an electrode assembl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/385G01R31/52H01M10/42
CPCG01R31/385G01R31/52H01M10/4285G01R31/36H01M10/0481H01M50/105Y02E60/10
Inventor 金津坤具滋训郑守宅表廷官
Owner LG ENERGY SOLUTION LTD
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