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:
May. 05, 2026
Filed:
Dec. 01, 2020
Applicant:
Umicore, Brussels, BE;
Inventors:
Jens Paulsen, Chungcheongnam-do, KR;
Kyeongse Song, Chungcheongnam-do, KR;
Assignee:
UMICORE, Brussels, BE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); C01G 51/42 (2025.01);
U.S. Cl.
CPC ...
C01G 51/42 (2013.01); H01M 10/0525 (2013.01); C01P 2006/40 (2013.01);
Abstract
A lithium cobalt-based oxide cathode active material powder having: —a primary phase comprising Li, Co, and O, and—a secondary phase comprising LiNaSO, wherein the content of said LiNaSOsecondary phase in said powder is of at least 0.4 wt. % and inferior or equal to 1.1 wt. % with respect to a total weight of the cathode active material powder, said cathode active material powder being characterized in that it has a S/Na atomic ratio superior or equal to 0.80 and inferior or equal to 1.20.