ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,782, issued on Aug. 25, was assigned to Redwood Materials (Carson City, Nev.).

"Method of making a spinel cathode active material from a mixed metal composition, and a cathode active material made from the same" was invented by Alan Nelson (Carson City, Nev.), Yu-Hua Kao (Carson City, Nev.), Benjamin Malley (Carson City, Nev.), Fangfu Zhang (Carson City, Nev.) and Edward Matios (Carson City, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a cathode active material includes contacting a mixed metal composition with water to form a first solution. The mixed metal composition includes nickel, manganese, or nickel and manganese. A...