US Patent Issued to LG Energy Solution on Sept. 9 for "Multilayer nanoporous separator" (Massachusetts, New Hampshire Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,923, issued on Sept. 9, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Multilayer nanoporous separator" was invented by David W. Avison (Boxborough, Mass.), Steven A. Carlson (Cambridge, Mass.) and Benjamin Sloan (Exeter, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle/polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the cryst...