ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,044, issued on Aug. 25, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Method of, and apparatus for, manufacturing alkali metal coated current collectors for batteries" was invented by Daniel Ryan (Fenton, Mich.), Nicole Ellison (Southfield, Mich.) and Shaomao Xu (Sterling Heights, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing an alkali metal coated current collector for a battery, the method includes melting the alkali metal, removing impurities floating on the surface of the melted alkali metal; applying the purified melted alkali metal to the surface of at least one side of a passing current colle...