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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.:

US 9908786 B1

PDFFull Text
Date of Patent:
Mar. 06, 2018

Filed:

Nov. 19, 2013

Cathode active material, method for preparing the same, and lithium secondary batteries including the same

Applicant:

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

Inventors:

Misun Lee, Chungcheongnam-do, KR;

Jongseok Moon, Chungcheongnam-do, KR;

Taehyeon Kim, Gyeonggi-do, KR;

Shin Jung Choi, Chungcheongnam-do, KR;

Assignee:

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

Attorney:

Lee & Morse, P.C.

Primary Examiner:

Sarah A Slifka

Assistant Examiner:

Haroon S Sheikh

Int. Cl.
CPC ...
H01M 4/36 (2006.01); C01D 15/02 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01); C01G 45/12 (2006.01); C01G 53/00 (2006.01);
U.S. Cl.
CPC ...
C01D 15/02 (2013.01); C01G 45/1257 (2013.01); C01G 53/006 (2013.01); C01G 53/50 (2013.01); H01M 4/364 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); C01P 2002/50 (2013.01); C01P 2002/52 (2013.01); Y02T 10/7011 (2013.01);
Abstract

The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same. Provided is a cathode active material composed of a lithium-excess lithium metal composite compound including LiMnOhaving a layered structure, and doped with a fluoro compound, wherein an FWHM (half value width) value is within a range from 0.164 degree to 0.185 degree.

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Lee, Misun. (2018). Cathode active material, method for preparing the same, and lithium secondary batteries including the same (U.S. Patent No. 9908786). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9908786

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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