ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,514,122, issued on Dec. 30.
"Johnson ambient heat energy converter" was invented by Lonnie G. Johnson (Atlanta).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ambient heat energy converter includes a first positive evaporating electrode which functions as the cathode, a membrane separator, a porous barrier membrane, and a second, negative condensing electrode which functions as the anode. Electrodes and are porous and facilitate hydrogen-oxygen reactions that electrolyze and reduce water respectively. Porous barrier membrane allows water and protons to pass through but prevents hygroscopic acid or base ions in condensing electrode from passing through...