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:
Apr. 08, 2016
Applicant:
Ls Mtron Ltd., Anyang-si, Gyeonggi-do, KR;
Inventors:
Dae-Young Kim, Yongin-si, KR;
Seung-Min Kim, Osan-si, KR;
Assignee:
KCF TECHNOLOGIES CO., LTD., Anyang-si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/052 (2010.01); H01M 10/0525 (2010.01); H01M 4/66 (2006.01); H01M 4/64 (2006.01); C22C 9/00 (2006.01); C22C 9/01 (2006.01); C22C 9/02 (2006.01); C22C 9/04 (2006.01); C22C 9/05 (2006.01); C22C 9/06 (2006.01); C22C 9/08 (2006.01); C22C 9/10 (2006.01); C25D 1/04 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); C25D 1/04 (2013.01); H01M 4/66 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01);
Abstract
An electrolytic copper foil for a lithium secondary battery has yield strength of 30 kgf/mmto 60 kgf/mm, a surface area ratio of 1 to 3, and a weight deviation of 3% or below.