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.

Date of Patent:
Aug. 17, 2021

Filed:

Jul. 05, 2018
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Soo Ji Hwang, Daejeon, KR;

Yong Su Choi, Daejeon, KR;

Sang Hun Kim, Daejeon, KR;

Hyung Kyun Yu, Daejeon, KR;

Na Yoon Kim, Daejeon, KR;

Min Hyeong Kang, Daejeon, KR;

Yong Kim, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/00 (2006.01); H01M 50/103 (2021.01); H01M 50/30 (2021.01); H01M 50/126 (2021.01); H01M 50/197 (2021.01); H01M 50/188 (2021.01);
U.S. Cl.
CPC ...
H01M 50/103 (2021.01); H01M 50/126 (2021.01); H01M 50/188 (2021.01); H01M 50/197 (2021.01); H01M 50/30 (2021.01);
Abstract

Disclosed herein is a pouch-shaped battery case, including an electrode assembly, an outer coating layer, a metal barrier layer, and an inner adhesive layer sequentially stacked with one another, a first adhesive layer interposed between the outer coating layer and the metal barrier layer, a second adhesive layer interposed between the metal barrier layer and the inner adhesive layer, an upper case and a lower case sealed to one another by thermal fusion at outer edges thereof, such that the electrode assembly is mounted between the upper case and the lower case, and a gas discharge member providing gas communication between an inside and an outside of the pouch-shaped battery case, the gas discharge member being disposed within a fused portion of the pouch-shaped battery case that is formed by the inner adhesive layer of the upper case and the lower case being thermally fused to one another.


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