logo

For the Inventor, By the Inventor

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 11757092 B1

PDFFull Text
Date of Patent:
Sep. 12, 2023

Filed:

Nov. 14, 2019

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:

Donggyu Chang, Yongin-si, KR;

Donghyun Kil, Yongin-si, KR;

Jongmin Kim, Yongin-si, KR;

Wooyoung Yang, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Matthew T Martin

Assistant Examiner:

Unique Jenevieve Luna

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 4/50 (2010.01); H01M 4/505 (2010.01); H01M 4/52 (2010.01); H01M 4/525 (2010.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0471 (2013.01); H01M 4/502 (2013.01); H01M 4/505 (2013.01); H01M 4/523 (2013.01); H01M 4/525 (2013.01); H01M 10/0422 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract

A positive active material for a rechargeable lithium battery includes a lithium nickel-based composite oxide including a secondary particle in which a plurality of plate-shaped primary particles are agglomerated; and a coating layer including a fiber-shaped lithium manganese composite oxide, wherein the fiber-shaped lithium manganese composite oxide is attached to the surface of the lithium nickel-based composite oxide.

Find Patent Forward Citations

Chang, Donggyu. (2023). Positive active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same (U.S. Patent No. 11757092). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11757092

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

Loading…