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:
Sep. 29, 2020
Filed:
Aug. 22, 2017
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Jaeho Lee, Yongin-si, KR;
Seonyoung Kwon, Yongin-si, KR;
Kihyun Kim, Yongin-si, KR;
Yumi Song, Yongin-si, KR;
Kwanghwan Cho, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); C01G 53/00 (2006.01); H01M 4/505 (2010.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01G 53/00 (2013.01); H01M 4/36 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
Provided are a composite cathode active material for a lithium ion battery including a nickel-rich lithium nickel-based compound having a nickel content of 50 to 100 mol % based on a total content of transition metals; and a coating film including a rare earth metal hydroxide and disposed on the surface of the nickel-rich lithium nickel-based compound, a manufacturing method therefor, and a lithium ion battery including a cathode including the composite cathode active material.