Title:
METHOD FOR MANUFACTURING POUCH-TYPE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/017826
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing a pouch-type secondary battery, comprising the steps of: (a) preparing an electrode assembly having a separator interposed between a positive electrode and a negative electrode; (b) molding an accommodation part for the electrode assembly, in an exterior material made of a laminated sheet; and (c) accommodating the electrode assembly in the accommodation part and manufacturing a battery cell by thermally bonding the exterior material, wherein the laminated sheet comprises an external resin layer, metal barrier layer, and internal resin layer, and the internal resin layer comprises polypropylene or polyethylene, and a cross-linking agent.
Inventors:
CHOI YONG SU (KR)
KIM SANG HUN (KR)
YU HYUNG KYUN (KR)
KIM SANG HUN (KR)
YU HYUNG KYUN (KR)
Application Number:
PCT/KR2019/008568
Publication Date:
January 23, 2020
Filing Date:
July 11, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B32B15/08; B32B27/26; B32B27/32; H01M50/105
Foreign References:
| KR101143302B1 | 2012-05-08 | |||
| JP2017201580A | 2017-11-09 | |||
| KR20140132528A | 2014-11-18 | |||
| JP2017031232A | 2017-02-09 | |||
| KR20160040021A | 2016-04-12 | |||
| KR20180085049A | 2018-07-25 | |||
| KR101143302B1 | 2012-05-08 | |||
| KR101036245B1 | 2011-05-20 | |||
| KR101179034B1 | 2012-09-03 |
Attorney, Agent or Firm:
JANG, Nak Yong et al. (KR)
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