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:
Jun. 30, 2015
Filed:
May. 28, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seong Yong Kim, Daejeon, KR;
Hanho Lee, Seoul, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/00 (2006.01); H01M 2/12 (2006.01); H01M 2/20 (2006.01); H01M 2/02 (2006.01); H01M 10/052 (2010.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1241 (2013.01); H01M 2/021 (2013.01); H01M 2/0277 (2013.01); H01M 2/0285 (2013.01); H01M 2/0287 (2013.01); H01M 2/024 (2013.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
Disclosed is a secondary battery in which an electrode assembly is accommodated in a battery case, wherein the battery case is made of a laminate sheet including a resin layer and a metal layer and hermetically sealed through sealing of an outer circumferential surface thereof in a state of accommodating the electrode assembly, and at least one of sealing parts at the outer circumferential surface of the battery case is provided with at least two continuously formed recessed portions.