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. 27, 2021
Filed:
Nov. 28, 2017
Samsung Sdi Co., Ltd., Yongin-si, KR;
Yumi Song, Yongin-si, KR;
Seonyoung Kwon, Yongin-si, KR;
Kihyun Kim, Yongin-si, KR;
Soohyeon Kim, Yongin-si, KR;
Jinhwa Kim, Yongin-si, KR;
Joongho Moon, Yongin-si, KR;
Jaeho Lee, Yongin-si, KR;
Kwanghwan Cho, Yongin-si, KR;
Soonbong Choi, Yongin-si, KR;
Mingzi Hong, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode are provided. The composite cathode active material includes a core including a lithium metal oxide and a coating layer on the core, wherein the lithium metal oxide includes two or more transition metals including nickel (Ni), an amount of Ni within one mole of the two or more transition metals included in the lithium metal oxide is about 0.65 mol or greater, the coating layer includes LiF, and a resistance of the composite cathode active material is lower than that of the core.