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:
Apr. 18, 2023
Filed:
May. 16, 2019
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jaeho Choi, Yongin-si, KR;
Jungmin Han, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector and a positive electrode layer on the current collector, the positive electrode layer including a nickel-based positive active material of Chemical Formula 1 having a BET specific surface area of about 0.5 m/g to about 2.5 m/g, a metal fluoride, a conductive material, and a binder, wherein an amount of the metal fluoride is about 1 wt % to about 10 wt % based on 100 wt % of the positive electrode layer. In Chemical Formula 1, 0.9≤a≤1.1, 0.8≤x≤0.98, 0.01≤y≤0.01≤z≤0.1, x+y+z=1, and A is Mn or Al.LiNiCoAO  Chemical Formula 1