Title:
POUCH FILM LAMINATE AND BATTERY CASE MANUFACTURED USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/121402
Kind Code:
A1
Abstract:
The present invention relates to a pouch film laminate which enables the manufacture of a high-strength battery case having excellent resistance to external stresses, and a battery case manufactured using same. The pouch film laminate of the present invention comprises: a gas barrier layer having a thickness of 60㎛ or greater; a substrate layer disposed on one surface of the gas barrier layer and having a tensile strength in the TD direction of 10kgf/15mm to 20kgf/15mm and an elongation in the TD direction of 150% to 235%; and a sealant layer disposed on the other surface of the gas barrier layer.
Inventors:
KANG MIN HYEONG (KR)
KIM SANG HUN (KR)
YU HYUNG KYUN (KR)
HWANG SOO JI (KR)
SONG DAE WOONG (KR)
LIM HUN HEE (KR)
KIM SANG HUN (KR)
YU HYUNG KYUN (KR)
HWANG SOO JI (KR)
SONG DAE WOONG (KR)
LIM HUN HEE (KR)
Application Number:
PCT/KR2022/021223
Publication Date:
June 29, 2023
Filing Date:
December 23, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/126; H01M50/105; H01M50/131; H01M50/20
Foreign References:
| KR20200037348A | 2020-04-08 | |||
| JP2016532254A | 2016-10-13 | |||
| KR20210127636A | 2021-10-22 | |||
| KR20150008935A | 2015-01-23 | |||
| KR20140146056A | 2014-12-24 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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