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:
Nov. 21, 2017
Filed:
Sep. 30, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 10/04 (2006.01); H01M 10/052 (2010.01); H01M 4/04 (2006.01); H01M 4/64 (2006.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/668 (2013.01); H01M 2/0237 (2013.01); H01M 4/0404 (2013.01); H01M 4/64 (2013.01); H01M 4/661 (2013.01); H01M 10/0431 (2013.01); H01M 10/052 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01);
Abstract
The present disclosure refers to a secondary battery comprising a reinforcing material in the fore part of an electrode current collector used in a jelly-roll type electrode assembly, thereby making the jelly-roll type electrode assembly wound in the predetermined position and eventually solving the problem an internal short-circuit due to biased movement.