Title:
POUCH FILM LAMINATE AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/055069
Kind Code:
A1
Abstract:
A pouch film laminate, according to the present invention, comprises a substrate layer, a gas barrier layer, and a sealant layer sequentially laminated therein, wherein the sealant layer includes a first sealant layer disposed adjacent to the gas barrier layer and a second sealant layer laminated on the first sealant layer, and ΔY according to equation 1 below is 66% to 120%. [Equation 1] ΔY = {(second sealant layer yield strength−first sealant layer yield strength)/first sealant layer yield strength} × 100
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Inventors:
HWANG SOO JI (KR)
KIM SANG HUN (KR)
YU HYUNG KYUN (KR)
KANG MIN HYEONG (KR)
SONG DAE WOONG (KR)
LIM HUN HEE (KR)
KIM SANG HUN (KR)
YU HYUNG KYUN (KR)
KANG MIN HYEONG (KR)
SONG DAE WOONG (KR)
LIM HUN HEE (KR)
Application Number:
PCT/KR2022/014552
Publication Date:
April 06, 2023
Filing Date:
September 28, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/129; B32B15/085; B32B15/20; H01M50/105; H01M50/131; H01M50/14
Domestic Patent References:
| WO2003001618A1 | 2003-01-03 |
Foreign References:
| US20150372263A1 | 2015-12-24 | |||
| US20160197318A1 | 2016-07-07 | |||
| KR101530590B1 | 2015-06-22 | |||
| KR101132169B1 | 2012-04-05 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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