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:
Dec. 10, 2024
Filed:
Jul. 11, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); B32B 15/08 (2006.01); H01M 50/105 (2021.01); H01M 50/116 (2021.01); H01M 50/129 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); B32B 15/08 (2013.01); H01M 10/04 (2013.01); H01M 50/105 (2021.01); H01M 50/116 (2021.01); H01M 50/129 (2021.01);
Abstract
A method of manufacturing a pouch-type secondary battery comprising the steps of: (a) preparing an electrode assembly having a separator interposed between a positive electrode and a negative electrode; (b) forming a receiving part for the electrode assembly in a case made of a laminate sheet; and (c) manufacturing a battery cell by receiving the electrode assembly in the receiving part and thermally fusing the case, wherein the laminate sheet comprises an outer resin layer, a metal barrier layer and an inner resin layer, the inner resin layer comprising polypropylene or polyethylene, and a crosslinking agent.