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:
Jun. 25, 2024
Filed:
Apr. 12, 2023
Applicant:
Uchicago Argonne, Llc, Chicago, IL (US);
Inventors:
Assignee:
UCHICAGO ARGONNE, LLC, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); H01M 4/1391 (2013.01); H01M 4/364 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01);
Abstract
A cathode material comprising: a cathode active material of formula LiNiMnCoOor NaNiMnCoOand having a partial or whole particle concentration gradient, wherein at least two or three elements concentration gradually change in the part or whole particle from the center part to the surface part of the particle (i.e. along a vector radius); 0.5<x≤1, 0≤y≤0.33, 0≤z≤0.33.