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. 27, 2024
Filed:
Apr. 08, 2020
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventor:
Dock Young Yoon, Daejeon, KR;
Assignee:
SK ON CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract
A lithium secondary battery includes a cathode, an anode and a separation layer. The cathode includes a cathode current collector and a cathode active material base layer formed on the cathode current collector. The anode includes an anode current collector and an anode active material base layer formed on the anode current collector. The separation layer is interposed between the cathode and the anode. At least one of the cathode and the anode includes an active material coating layer having a thickness of 20 μm or less.