ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,252, issued on Aug. 5, was assigned to NORTHWESTERN UNIVERSITY (Evanston, Ill.).

"Nanostructured lithium-ion battery electrode composite materials via conformal graphene dispersion" was invented by Mark C. Hersam (Wilmette, Ill.), Kan-Sheng Chen (Chicago) and Ethan B. Secor (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrode for a lithium-ion battery includes a substrate; and a composite deposited on the substrate, wherein the composite comprises layered graphene comprising mono-, bi- and n-layered graphene, wherein n is an integer selected from 3-about 6; and nanoparticles of a material selected from a cathode active material and an...