ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,577, issued on May 19, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Lithium secondary battery comprising single particle positive electrode active material" was invented by Il Geun Oh (Daejeon, South Korea), Song Taek Oh (Daejeon, South Korea), Su Mi Yoon (Daejeon, South Korea), Mi Ru Jo (Daejeon, South Korea), Jie Hyun Seong (Daejeon, South Korea) and Min Soo Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium secondary battery having high energy density and excellent lifetime characteristics includes: (1) a positive electrode containing a positive electrode active material in a single particle form h...