ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,832, issued on June 3, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Nanoporous separators for batteries and related manufacturing methods" was invented by Steven A. Carlson (Cambridge, Mass.), Benjamin Sloan (Exeter, N.H.) and David W. Avison (Boxborough, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a lithium battery, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises an anionic compound. Also provided are methods of manufacturing such batter...