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:
Apr. 23, 2019
Filed:
Dec. 16, 2015
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Jae-Hyun Shim, Yongin-si, KR;
Ki-Soo Lee, Yongin-si, KR;
Jae-Han Lee, Yongin-si, KR;
Se-Hee Lee, Yongin-si, KR;
Hyeon-Ah Ju, Yongin-si, KR;
Eun-Cheol Lee, Yongin-si, KR;
Joo-Han Song, Yongin-si, KR;
Yun-Hee Lee, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/36 (2006.01); C01G 51/00 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 51/42 (2013.01); H01M 4/366 (2013.01); C01P 2002/20 (2013.01); C01P 2002/34 (2013.01); C01P 2002/72 (2013.01); C01P 2004/02 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/32 (2013.01); C01P 2004/61 (2013.01); C01P 2004/84 (2013.01); C01P 2006/10 (2013.01); C01P 2006/40 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01);
Abstract
A positive active material for a rechargeable lithium battery includes a LiCoOparticle. An interior of the particle has a layered structure and a surface of the particle has a spinel structure.