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:
Aug. 04, 2026
Filed:
Nov. 27, 2024
Pure Lithium Corporation, Chicago, IL (US);
The Research Foundation for the State University of New York, Binghamton, NY (US);
Emilie Bodoin, Charlestown, MA (US);
M. Stanley Whittingham, Albany, NY (US);
Krystal J. Lee, Albany, NY (US);
Carrie Siu, Albany, NY (US);
Fengxia Xin, Albany, NY (US);
PURE LITHIUM CORPORATION, Chicago, IL (US);
THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK, Albany, NY (US);
Abstract
In some aspects, the present disclosure provides a lithium metal battery having a negative electrode that comprises a substantially pure lithium metal and a positive electrode that comprises the epsilon polymorph of vanadyl phosphate (ε-VOPO). The lithium metal can have less than five ppm of non-metallic elements by mass. The ε-VOPOcan be made from solvothermally synthesized HVOPO, and be optimized to reversibly intercalate two Li-ions to reach full theoretical capacity with a coulombic efficiency of 98%. This material can adopt a stable 3D tunnel structure and can extract two Li-ions per vanadium ion, giving a theoretical capacity of 305 mAh/g, with an upper charge/discharge plateau at around 4.0 V, and one lower at around 2.5 V. The ε-VOPOparticles may be modified with niobium (Nb) to improve the cycling stability.