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:
Aug. 13, 2024
Filed:
Sep. 15, 2020
Applicant:
SK on Co., Ltd., Seoul, KR;
Inventors:
Assignee:
SK On Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/625 (2013.01); H01M 4/0404 (2013.01); H01M 2004/027 (2013.01);
Abstract
A lithium secondary battery according to exemplary embodiments includes a cathode, a separation layer, and an anode facing the cathode with the separation layer interposed therebetween. The anode includes an anode current collector, and an anode active material layer formed on the anode current collector. The anode active material layer includes an anode active material and a conductive additive. The conductive additive includes an expandable graphite having a particle diameter of 10 μm or less.