US Patent Issued to SUMITOMO METAL MINING, Panasonic Energy on Feb. 18 for "Method of manufacturing positive electrode active material for lithium ion secondary battery, positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,431, issued on Feb. 18, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo) and Panasonic Energy Co. Ltd. (Osaka, Japan).

"Method of manufacturing positive electrode active material for lithium ion secondary battery, positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery" was invented by Jun Suzuki (Ehime, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a positive electrode active material for a lithium ion secondary battery includes a mixing step of mixing a lithium-nickel composite oxide which is a starting material with a tungsten compound powder without lithium, w...