Title:
BATTERY CASE MOLDING APPARATUS USING SHOCK WAVE, AND BATTERY CASE MOLDING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/092642
Kind Code:
A1
Abstract:
The present invention relates to a battery case molding apparatus and a battery case molding method using same, the apparatus comprising a conductive liquid, and a cathode and an anode that are capable of causing an electric discharge in the conductive liquid, in order to prevent, during the use of a laminate sheet to mold a pouch-type battery case, the laminate sheet from being damaged by the friction of a punch and a die and to allow the entire laminate sheet to be elongated.
Inventors:
CHI HO JUNE (KR)
CHOI HANG JUNE (KR)
MOON JEONG OH (KR)
PARK JIN YONG (KR)
CHOI HANG JUNE (KR)
MOON JEONG OH (KR)
PARK JIN YONG (KR)
Application Number:
PCT/KR2021/014296
Publication Date:
May 05, 2022
Filing Date:
October 15, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B29C67/00; B21D22/30; B21D26/06; B29C33/20; B29C43/36; B29C51/08; B29C51/26; H01M50/116; H01M50/124
Foreign References:
| KR20190098581A | 2019-08-22 | |||
| KR20170124882A | 2017-11-13 | |||
| KR20140126968A | 2014-11-03 | |||
| KR20200054054A | 2020-05-19 | |||
| US5540075A | 1996-07-30 | |||
| KR20200141037A | 2020-12-17 | |||
| US20150360275A1 | 2015-12-17 |
Other References:
See also references of EP 4108429A4
Attorney, Agent or Firm:
MYUNGRYUN IP & LAW FIRM (KR)
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