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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 11349122 B1

PDFFull Text
Date of Patent:
May. 31, 2022

Filed:

Mar. 12, 2020

Positive active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same

Applicant:

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

Inventors:

Youngsun Kong, Yongin-si, KR;

Kiyong Ahn, Yongin-si, KR;

Jinyoung Kim, Yongin-si, KR;

Sung Ho Choo, Yongin-si, KR;

Seonyoung Kwon, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Gregg Cantelmo

Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract

A positive active material for a rechargeable lithium battery includes nickel-based lithium transition metal oxide secondary particles, in which a plurality of primary particles are aggregated. The primary particles include polycrystalline primary particles composed of 2 to 10 single crystals, and each of the single crystals has a particle diameter of about 0.5 μm to about 3 μm.

Find Patent Forward Citations

Kong, Youngsun. (2022). Positive active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same (U.S. Patent No. 11349122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11349122

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

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