Title:
EXTERIOR MATERIAL FOR SECONDARY BATTERY, AND METHOD AND DEVICE FOR MANUFACTURING EXTERIOR MATERIAL FOR SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/204453
Kind Code:
A1
Abstract:
Disclosed are an exterior material for a secondary battery, and a method and device for manufacturing an exterior material for a secondary battery. Provided according to an aspect of the present invention is a method for manufacturing an exterior material for a secondary battery, the method comprising: a first step of providing a sheet and a mold on which a dent portion is formed; a second step of disposing the sheet such that a part of the sheet faces the dent portion (I); and a third step of supplying a fluid from a side portion of the mold toward the dent portion (I) to produce a forming unit, which has a shape corresponding to the dent portion (I), in a region of the sheet, the region being provided on the dent portion (I).
Inventors:
KIM HYUN BEOM (KR)
JANG NAM JIN (KR)
KIM GI MAN (KR)
JANG NAM JIN (KR)
KIM GI MAN (KR)
Application Number:
PCT/KR2020/004074
Publication Date:
October 08, 2020
Filing Date:
March 25, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B29C51/10; B29C51/14; B29L31/00; H01M50/105
Foreign References:
| JPH0880562A | 1996-03-26 | |||
| JP2003276075A | 2003-09-30 | |||
| KR20190010434A | 2019-01-30 | |||
| KR20170118602A | 2017-10-25 | |||
| JPH1128763A | 1999-02-02 |
Other References:
See also references of EP 3933953A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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