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. 07, 2024
Filed:
Jun. 20, 2023
SK on Co., Ltd., Seoul, KR;
Yong Seok Lee, Daejeon, KR;
Jae Ram Kim, Daejeon, KR;
Ji Won Na, Daejeon, KR;
Sang Won Bae, Daejeon, KR;
Yeon Hwa Song, Daejeon, KR;
Ki Joo Eom, Daejeon, KR;
Myung Ro Lee, Daejeon, KR;
Jae Yeong Lee, Daejeon, KR;
Hyun Joong Jang, Daejeon, KR;
SK ON CO., LTD., Seoul, KR;
Abstract
A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.