ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,872, issued on July 1, was assigned to Triad National Security LLC (Los Alamos, N.M.).

"Ionomer membranes for fuel cells and related devices" was invented by Siddharth Komini Babu (Los Alamos, N.M.), Jacob Schatz Spendelow (Los Alamos, N.M.), Rangachary Mukundan (Los Alamos, N.M.) and Rodney L. Borup (Los Alamos, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Ionomer membranes for fuel cells and related devices are described. An ionomer membrane may be configured with a plurality of anode-side protrusions and/or a plurality of cathode-side protrusions. A filler material(s) may be deposited into voids of an ionomer membrane. Example filler materi...