Title:
POUCH-TYPE BATTERY CASE, MOLDING APPARATUS THEREOF, AND POUCH-TYPE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/075750
Kind Code:
A1
Abstract:
A pouch-type battery case, according to an embodiment of the present invention for solving the problems, comprises: cup portions that accommodate therein an electrode assembly formed by stacking an electrode and a separator; and a plurality of die edges connecting walls of the cup portions and sides extending from the walls to each other, wherein at least one of the die edges includes: a first area formed by being rounded with a first radius of curvature; and a second area formed by being rounded with a second radius of curvature smaller than the first radius of curvature.
More Like This:
| WO/2021/177718 | POUCH FILM FOR SECONDARY BATTERY |
| WO/2022/086114 | SECONDARY BATTERY POUCH MANUFACTURING APPARATUS |
Inventors:
OH SE YOUNG (KR)
LEE CHUNG HEE (KR)
HA JEONG MIN (KR)
KIM GEUN HEE (KR)
KIM HYUN BEOM (KR)
KWON HYUNG HO (KR)
LEE CHUNG HEE (KR)
HA JEONG MIN (KR)
KIM GEUN HEE (KR)
KIM HYUN BEOM (KR)
KWON HYUNG HO (KR)
Application Number:
PCT/KR2021/013714
Publication Date:
April 14, 2022
Filing Date:
October 06, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/116; B29C43/36; B32B15/20; B65B47/04; H01M50/124
Foreign References:
| KR20170091938A | 2017-08-10 | |||
| KR20120014540A | 2012-02-17 | |||
| KR20190098581A | 2019-08-22 | |||
| JP2002208384A | 2002-07-26 | |||
| KR20180102927A | 2018-09-18 | |||
| KR20170124882A | 2017-11-13 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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