Pressing jig for secondary battery cell

Patent metadata

Field	Value
Publication number	US-10147965-B2
Application number	US-201515525425-A
Country	US
Kind code	B2
Filing date	Nov 6, 2015
Priority date	Nov 11, 2014
Publication date	Dec 4, 2018
Grant date	Dec 4, 2018

Abstract

The present disclosure discloses a pressing jig of secondary battery cell, the pressing jig including: one pair of pressing plates hinge-coupled to be mutually foldable, and having space therebetween where the cell of the secondary battery may be disposed; and a locking mechanism configured to fixate a folded state of the one pair of pressing plates, wherein at least one of the one pair of pressing plates is made of a polyacetal (POM) material.

First claim

What is claimed is:

1. A pressing jig of secondary battery cell, the pressing jig comprising:
one pair of pressing plates hinge-coupled to be mutually foldable, and having space therebetween where the cell of the secondary battery may be disposed; and
a locking mechanism configured to fixate a folded state of the one pair of pressing plates, wherein at least one of the one pair of pressing plates is made of a polyacetal (POM) material.

2. The pressing jig of secondary battery cell according to claim 1 , wherein a hinge member is provided at a lower end edge portion of the one pair of pressing plates, and
the locking mechanism is located at an upper portion of the one pair of pressing plates.

3. The pressing jig of secondary battery cell according to claim 2 , wherein the locking mechanism has a supporting rod fitted to any one pressing plate of the one pair of pressing plates and disposed to traverse the other pressing plate in a thickness direction in a state where the one pair of pressing plates are folded; and
a C-type retaining ring fastened to the supporting rod on an outer face side of the other pressing plate.

4. The pressing jig of secondary battery cell according to claim 3 , wherein the supporting rod is installed to be separable in the thickness direction of the one pair of pressing plates.

5. The pressing jig of secondary battery cell according to claim 3 , wherein the one pair of pressing plates have a pressing unit configured to face the cell disposed therebetween and to surface-contact the cell when the thickness of the cell increases due to an activation process, and a supporting unit located at an upper end of the pressing unit and having a greater width than the pressing unit; and
the supporting rod is each coupled one by one at both ends in a width direction of the supporting unit in a state where the one pair of pressing plates are folded.

6. The pressing jig of secondary battery cell according to claim 5 , wherein the hinge member is located at a lower end of the pressing unit and has a greater width than the pressing unit.

Assignees

• Lg Chemical Ltd

Inventors

• Yoon Du-Seong
• Kim Ji-Hyun
• Lee Jae-Hyun

Classifications

• H01M10/0404

  Machines for assembling batteries · CPC title

• H01M10/0436

  Small-sized flat cells or batteries for portable equipment · CPC title

• H01M10/0481 Primary

  Compression means other than compression means for stacks of electrodes and separators · CPC title

• H01M2220/30

  Batteries in portable systems, e.g. mobile phone, laptop · CPC title

• H01M50/116 Primary

  characterised by the material · CPC title