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:
May. 19, 2026
Filed:
Nov. 04, 2022
Samsung Sdi Co., Ltd., Yongin-si, KR;
Youngki Kim, Yongin-si, KR;
Yongmok Cho, Yongin-si, KR;
Sungho Choo, Yongin-si, KR;
Sangmi Kim, Yongin-si, KR;
Minjae Choi, Yongin-si, KR;
Jaeyoung Jeong, Yongin-si, KR;
Hyunjei Chung, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Provided are a positive active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including a positive electrode for a lithium secondary battery including the positive active material, where the positive active material includes a lithium cobalt-based oxide including about 6,000 ppm or more of aluminum, and a lithium titanium-based compound, where the lithium titanium-based compound is on a surface of the lithium cobalt-based oxide.