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:
Mar. 17, 2026
Filed:
Mar. 31, 2022
Samsung Sdi Co., Ltd., Yongin-si, KR;
Andrei Kapylou, Yongin-si, KR;
Jongseok Moon, Yongin-si, KR;
Inhyuk Son, Yongin-si, KR;
Guesung Kim, Yongin-si, KR;
Denis Chernyshov, Yongin-si, KR;
Sangkook Mah, Yongin-si, KR;
Sungnim Jo, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A composite cathode active material, a cathode including the same, a lithium battery, and a method of preparing a composite cathode active material are provided. The composite cathode active material includes: a core including a lithium transition metal oxide; and a shell disposed on and conforming to a surface of the core The shell includes: at least one first metal oxide represented by formula MaOb (0<a≤3 and 0<b<4, and if a 1, 2, or 3, b is not an integer); a carbonaceous material; and a doped fluorine (F) element, and the first metal oxide is disposed in a carbonaceous material matrix, and M is at least one metal selected from among Group 2 to Group 13, Group 15, and Group 16 metals in the Periodic Table.