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:
Feb. 26, 2019
Filed:
Nov. 30, 2017
Applicant:
Lg Chem, Ltd., Daejeon, KR;
Inventors:
Assignee:
LG Chem, Ltd., Daejeon, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 2/36 (2006.01); H01M 10/04 (2006.01); H01M 2/02 (2006.01); H01M 2/26 (2006.01); H01M 10/42 (2006.01); H01M 2/38 (2006.01); H01M 2/10 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 2/36 (2013.01); H01M 2/021 (2013.01); H01M 2/0212 (2013.01); H01M 2/0275 (2013.01); H01M 2/1077 (2013.01); H01M 2/266 (2013.01); H01M 2/38 (2013.01); H01M 10/0413 (2013.01); H01M 10/0436 (2013.01); H01M 10/42 (2013.01); H01M 2/0287 (2013.01); H01M 10/052 (2013.01); H01M 2220/30 (2013.01);
Abstract
A secondary battery is provided. The secondary battery includes an electrode assembly that is sealed in a receiving portion of a pouch-type battery case together with an electrolyte. The pouch-type battery case is formed from a laminate sheet having an exterior coating layer, a metal layer and an interior adhesive layer. Additionally, electrolyte holding portion for replenishing an electrolyte that is depleted during the manufacturing process or the use of the secondary battery is disposed in the laminate sheet, without contacting the electrolyte disposed in the receiving portion of the pouch-type battery case.