ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,266, issued on March 25, was assigned to UCHICAGO ARGONNE LLC (Chicago).

"Nanofiber polymer composite cathodes" was invented by Yuepeng Zhang (Naperville, Ill.), Sanja Tepavcevic (Chicago), Devon J. Powers (Lemont, Ill.), Peter Zapol (Hinsdale, Ill.), John N. Hryn (Hawthorn Woods, Ill.), Gregory K. Krumdick (Homer Glen, Ill.), Ozgenur Kahvecioglu (Naperville, Ill.), Krzystof Z. Pupek (Plainfield, Ill.) and Michael John Counihan (Downers Grove, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cathode for a multilayer solid-state electrochemical cell is described herein. The cathode comprises nanofibers of a cathode active material; particles of...