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. 03, 2024
Filed:
Jan. 28, 2021
Applicant:
SK on Co., Ltd., Seoul, KR;
Inventors:
Yong Seok Lee, Daejeon, KR;
Jung Hwan Kim, Daejeon, KR;
Sang Won Bae, Daejeon, KR;
Ji Hee Bae, Daejeon, KR;
Myung Ro Lee, Daejeon, KR;
Jae Yun Min, Daejeon, KR;
Assignee:
SK On Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 4/0404 (2013.01); H01M 4/0428 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/583 (2013.01); H01M 50/46 (2021.01);
Abstract
Embodiments of the present invention provide a lithium secondary battery including anode active material layers which have a multi-layered structure and include carbon-based active materials having different contents from each other, thereby improving mechanical stability and battery performance.