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:
Feb. 06, 2024
Filed:
Aug. 22, 2017
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jungmin Han, Yongin-si, KR;
Kihyun Kim, Yongin-si, KR;
Jaeho Lee, Yongin-si, KR;
Ming-Zi Hong, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Provided are a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery comprising the same. The cathode active material for a lithium secondary battery comprises: a lithium metal compound; and a lithium compound disposed on the surface of the lithium metal compound, wherein the content of lithium contained in the lithium compound is 0.25 parts by weight or less with respect to 100 parts by weight of the lithium metal compound, wherein the specific surface area of the lithium compound is between 0.5 m/g and 2.0 m/g, and the pH of the lithium compound is between 11.5 and 12.3.