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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.:

US 12620655 B1

PDFFull Text
Date of Patent:
May. 05, 2026

Filed:

Jun. 08, 2021

Pouch film laminate, pouch type battery case, and pouch type secondary battery

Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Sang Hun Kim, Daejeon, KR;

Min Hyeong Kang, Daejeon, KR;

Hyung Kyun Yu, Daejeon, KR;

Soo Ji Hwang, Daejeon, KR;

Assignee:

LG Energy Solution, Ltd., Seoul, KR;

Attorney:

Lerner David LLP

Primary Examiner:

Kevin M Bernatz

Int. Cl.
CPC ...
H01M 50/129 (2021.01); B32B 7/12 (2006.01); B32B 15/085 (2006.01); B32B 15/088 (2006.01); B32B 15/09 (2006.01); B32B 15/20 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); H01M 50/105 (2021.01); H01M 50/119 (2021.01); H01M 50/121 (2021.01); H01M 50/133 (2021.01);
U.S. Cl.
CPC ...
H01M 50/129 (2021.01); B32B 7/12 (2013.01); B32B 15/085 (2013.01); B32B 15/088 (2013.01); B32B 15/09 (2013.01); B32B 15/20 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); H01M 50/105 (2021.01); H01M 50/119 (2021.01); H01M 50/121 (2021.01); H01M 50/133 (2021.01); B32B 2307/54 (2013.01); B32B 2307/558 (2013.01); B32B 2307/7242 (2013.01); B32B 2307/732 (2013.01); B32B 2457/10 (2013.01); B32B 2553/00 (2013.01);
Abstract

A pouch film laminate for preparing a pouch type battery case accommodating an electrode assembly is provided. The pouch film laminate includes a sealant layer formed of a first polymer as an innermost layer, a surface protection layer formed of a second polymer as an outermost layer, an aluminum alloy thin film having a grain size of 10 μm to 13 μm, and a gas barrier layer laminated between the surface protection layer and the sealant layer, wherein the gas barrier layer has a thickness of 50 μm to 70 μm, and the sealant layer has a thickness of 70 μm to 100 μm.

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Quick Actions:

Kim, Sang. (2026). Pouch film laminate, pouch type battery case, and pouch type secondary battery (U.S. Patent No. 12620655). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12620655

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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