The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Apr. 14, 2021
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Sang Hun Kim, Daejeon, KR;
Soo Ji Hwang, Daejeon, KR;
Min Hyeong Kang, Daejeon, KR;
Hyung Kyun Yu, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/119 (2021.01); H01M 50/105 (2021.01); H01M 50/121 (2021.01); H01M 50/124 (2021.01); H01M 50/129 (2021.01); H01M 50/133 (2021.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 50/105 (2021.01); H01M 50/129 (2021.01); H01M 50/133 (2021.01); H01M 50/46 (2021.01);
Abstract
The present invention relates to a pouch type battery case which includes a pouch film laminate including a sealant layer, a gas barrier layer, and a surface protection layer, wherein the sealant layer is formed of a first polymer as an innermost layer, the surface protection layer is formed of a second polymer as an outermost layer, and the gas barrier layer is laminated between the surface protection layer and the sealant layer and is formed of an aluminum alloy thin film having a thickness of 60 μm to 100 μm and a grain size of 10 μm to 13 μm.