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:
Dec. 31, 2024
Filed:
Aug. 21, 2024
Applicant:
The Regents of the University of California, Oakland, CA (US);
Inventors:
Zheng Chen, San Diego, CA (US);
Xiaolu Yu, La Jolla, CA (US);
Assignee:
THE REGENTS OF THE UNIVERSITY OF CALIFORIA, Oakland, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/54 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/54 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01);
Abstract
A process for low temperature hydrothermal relithiation of spent lithium-ion battery cathode materials adds a reducing agent to an aqueous Li solution at 80-100° C. followed by a short anneal to achieve complete recovery of composition, crystal structure, and electrochemical performance for heavily degraded cathode materials.