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. 27, 2025
Filed:
Jun. 29, 2023
SK Innovation Co., Ltd., Seoul, KR;
SK on Co., Ltd., Seoul, KR;
Ji Yae Do, Daejeon, KR;
Min Suk Kang, Daejeon, KR;
Min Cheol Beak, Daejeon, KR;
Kwang Ho Lee, Daejeon, KR;
Jae Young Choi, Daejeon, KR;
SK INNOVATION CO., LTD., Seoul, KR;
SK ON CO., LTD., Seoul, KR;
Abstract
A cathode active material for a lithium secondary battery according to an embodiment of the present disclosures a plurality of composite particles, each of which comprises a lithium metal phosphate particle, and a carbon coating formed on at least a portion of a surface of the lithium metal phosphate particle. A standard deviation of thickness values of the carbon coating measured by an X-ray photoelectron spectroscopy (XPS) for five different composite particles of the plurality of composite particles is 15 nm or less.