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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 10490809 B1

PDFFull Text
Date of Patent:
Nov. 26, 2019

Filed:

Oct. 29, 2015

Positive electrode active material for lithium secondary battery

Applicant:

Iucf-hyu (Industry-university Cooperation Foundation Hanyang University), Seoul, KR;

Inventors:

Hyung-Joo Noh, Bucheon-si, KR;

Yang-Kook Sun, Seoul, KR;

Sung-June Youn, Busan, KR;

Assignee:

IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul, KR;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Barbara L Gilliam

Assistant Examiner:

Zhongqing Wei

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01); C01G 53/00 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01); H01M 4/131 (2010.01); H01M 10/30 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); C01G 53/006 (2013.01); C01G 53/50 (2013.01); H01M 4/131 (2013.01); H01M 4/134 (2013.01); H01M 4/38 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); C01P 2002/85 (2013.01); C01P 2002/88 (2013.01); C01P 2004/84 (2013.01); H01M 10/30 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); Y02T 10/7011 (2013.01);
Abstract

Embodiments of the inventive concepts described herein relate to a positive electrode active material for lithium secondary battery, and more particularly, relate to a positive electrode active material for a lithium secondary battery having a new structure which includes a core portion having gradients of concentrations of nickel, manganese, and cobalt in a direction from a center to a surface and in which each of the concentration gradients of nickel, manganese, and cobalt has at least one vertex in the core portion.

Find Patent Forward Citations

Noh, Hyung-Joo. (2019). Positive electrode active material for lithium secondary battery (U.S. Patent No. 10490809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10490809

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

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