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.

Date of Patent:
Oct. 22, 2019

Filed:

Jun. 05, 2017
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Young-hun Lee, Yongin-si, KR;

Ji-Yeon Jang, Yongin-si, KR;

Soon-Kie Hong, Yongin-si, KR;

Young-Ki Kim, Yongin-si, KR;

Soon-Rewl Lee, Yongin-si, KR;

Ick-Kyu Choi, Yongin-si, KR;

Ji-Hyun Kim, Yongin-si, KR;

Soo-Youn Park, Yongin-si, KR;

Hyun-Joo Je, Yongin-si, KR;

Chang-Wook Kim, Yongin-si, KR;

Kyu-Suk Han, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/62 (2006.01); H01M 4/48 (2010.01); H01M 4/525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/483 (2013.01); H01M 4/525 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract

A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The positive active material includes a core including a lithium intercalation compound and a crystalline coating compound on a surface of the core and including a crystalline aluminum hydroxide, a crystalline aluminum oxyhydroxide, or a combination thereof.


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