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:
Dec. 28, 2021
Filed:
Jan. 17, 2019
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventors:
Assignee:
SK INNOVATION CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 10/0585 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract
A lithium secondary battery includes a cathode formed from a cathode active material including a cathode active material particle having a specific concentration ratio, an anode; and a separation layer interposed between the cathode and the anode. The lithium secondary battery has improved formation discharge amount, formation discharge efficiency and power output.