ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,091, issued on Aug. 25, was assigned to Honeycomb Battery Co. (Dayton, Ohio).

"Method of improving fire-resistance of a lithium battery" was invented by Hui He (Dayton, Ohio), Yu-Sheng Su (Dayton, Ohio), Aruna Zhamu (Springboro, Ohio) and Bor Z. Jang (Centerville, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of improving fire resistance of a lithium battery, the method comprising disposing a heat-resistant spacer layer between a porous separator and a cathode layer or anode layer, wherein the heat-resistant spacer layer contains a distribution of particles of a thermally stable material having a heat-induced degradation temperature o...