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:
Mar. 24, 2026
Filed:
Apr. 25, 2023
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Gongshin Qi, Troy, MI (US);
Devendrasinh Darbar, Sterling Heights, MI (US);
Raneen Taha, Sterling Heights, MI (US);
Wei Li, Troy, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); C01G 53/50 (2025.01); C01G 53/82 (2025.01); H01M 4/505 (2010.01);
U.S. Cl.
CPC ...
C01G 53/50 (2013.01); C01G 53/82 (2025.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); C01P 2004/90 (2013.01); C01P 2006/40 (2013.01);
Abstract
A positive electrode material including a layered lithium- and manganese-rich nickel oxide (LMR) doped with an alkali metal and/or an alkaline earth metal. The positive electrode material may be manufactured by preparing a mixture comprising a transition metal carbonate, a dopant metal carbonate, and a lithium source, and then calcining the mixture to form the alkali metal and/or alkaline earth metal-doped LMR.