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. 06, 2022
Filed:
Apr. 30, 2020
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jaehwan Ha, Yongin-si, KR;
Kijun Kim, Yongin-si, KR;
Heeeun Yoo, Yongin-si, KR;
Yeonhee Yoon, Yongin-si, KR;
Kyuseo Lee, Yongin-si, KR;
Dongmyung Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A rechargeable lithium battery includes a positive electrode including a positive current collector and a positive active material layer disposed on the positive current collector; and a negative electrode including a negative current collector, a negative active material layer disposed on the negative current collector, and a negative electrode functional layer disposed on the negative active material layer, wherein the positive active material layer includes a first positive active material including at least one of a composite oxide of metal selected from cobalt, manganese, nickel, and a combination thereof and lithium and a second positive active material including at least one of compounds represented by Chemical Formula 1 to Chemical Formula 4, and the negative electrode functional layer includes flake-shaped polyethylene particles andLiMnM'A  [Chemical Formula 1]LiMnM′OX  [Chemical Formula 2]LiMnOX  [Chemical Formula 3]LiMnM′M″A  [Chemical Formula 4]