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:
Jan. 12, 2016
Filed:
Feb. 11, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Do Gyun Kim, Cheongwon-gun, KR;
Dong-Myung Kim, Daejeon, KR;
Dong Sub Lee, Icheon-si, KR;
Sang Bong Nam, Cheonan-si, KR;
Sang Sok Jung, Cheonan-si, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/02 (2006.01); H01M 10/04 (2006.01); H01M 10/052 (2010.01); H01M 2/36 (2006.01); H01M 10/0587 (2010.01); H01M 2/02 (2006.01); H01M 2/06 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 2/36 (2013.01); H01M 10/052 (2013.01); H01M 10/0587 (2013.01); H01M 2/022 (2013.01); H01M 2/06 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case and a plate-shaped insulator is mounted on top of the jelly-roll, wherein the insulator has a porous structure in which a plurality of fine pores communicate in a longitudinal direction, or in traverse and longitudinal directions.