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:
Aug. 15, 2017
Filed:
Jul. 14, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/02 (2006.01); H01M 10/0525 (2010.01); H01M 10/34 (2006.01); H01M 2/10 (2006.01); H01M 2/14 (2006.01); H01M 4/131 (2010.01); H01M 4/1315 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 2/08 (2013.01); H01M 2/0287 (2013.01); H01M 10/0525 (2013.01); H01M 10/34 (2013.01); H01M 2/1094 (2013.01); H01M 2/14 (2013.01); H01M 4/131 (2013.01); H01M 4/1315 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/58 (2013.01); H01M 4/5825 (2013.01); H01M 4/628 (2013.01); H01M 2220/10 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
Disclosed is a battery cell having a double sealing structure. In particular, the battery cell includes a first sealing portion formed at an outer circumferential surface of a battery case by thermal bonding and a second sealing portion further formed between an electrode assembly and the first sealing portion at at least one side surface of the first sealing portion.