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.:
Date of Patent:
Oct. 07, 2025
Filed:
Aug. 05, 2020
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventor:
Do-Yu Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/505 (2010.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/0416 (2013.01); H01M 4/505 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
An embodiment provides a positive active material precursor for a rechargeable lithium battery including: a nickel-based composite precursor including a secondary particle comprising a plurality of primary particles that are aggregated together, the nickel-based composite precursor having a central portion and a surface portion, and the central portion of the nickel-based composite precursor including a phosphate.
Kim, Do-Yu. (2025). Positive active material precursor for rechargeable lithium battery, positive active material for rechargeable lithium battery, method of preparing the positive active material, and rechargeable lithium battery including the positive active material (U.S. Patent No. 12438152). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12438152
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile