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:
Apr. 12, 2023
SK on Co., Ltd., Seoul, KR;
SK Innovation Co., Ltd., Seoul, KR;
Young Hoon Do, Daejeon, KR;
Byoung Beom Lim, Daejeon, KR;
Jeong Hoon Jeun, Daejeon, KR;
Yong Hyun Cho, Daejeon, KR;
SK ON CO., LTD., Seoul, KR;
SK INNOVATION CO., LTD., Seoul, KR;
Abstract
A cathode for a lithium secondary battery according to an embodiment of the present invention includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include first lithium metal oxide particles having a shape of a secondary particle in which a plurality of primary particles are aggregated, and second lithium metal oxide particles having a shape of a single particle. A closed pore ratio of the cathode active material layer is 5% or less.