US Patent Issued to The Research Foundation for The State University of New York on Aug. 12 for "epsilon-VOPO 4 cathode for lithium ion batteries" (Pennsylvania, New York Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,086, issued on Aug. 12, was assigned to The Research Foundation for The State University of New York (Binghamton, N.Y.).

"epsilon-VOPO 4 cathode for lithium ion batteries" was invented by Carrie Siu (Philadelphia) and M. Stanley Whittingham (Vestal, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The epsilon polymorph of vanadyl phosphate, Epsilon-VOPO4, made from the solvothermally synthesized H2VOPO4, is a high-density cathode material for lithium-ion batteries optimized to reversibly intercalate two Li-ions to reach the full theoretical capacity at least 50 cycles with a coulombic efficiency of 98%. This material adopts a stable 3D tunnel str...