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:
Jul. 15, 2025
Filed:
Aug. 28, 2023
SK Innovation Co., Ltd., Seoul, KR;
SK on Co., Ltd., Seoul, KR;
Yong Seok Lee, Daejeon, KR;
Jeong Hoon Jeun, Daejeon, KR;
Jae Ram Kim, Daejeon, KR;
Jae Yun Min, Daejeon, KR;
Ki Joo Eom, Daejeon, KR;
Myung Ro Lee, Daejeon, KR;
Hyun Joong Jang, Daejeon, KR;
Je Nam Choi, Daejeon, KR;
SK INNOVATION CO., LTD., Seoul, KR;
SK ON CO., LTD., Seoul, KR;
Abstract
Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.