ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,212, issued on Aug. 5, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo) and PANASONIC ENERGY Co. LTD. (Osaka, Japan).
"Method for producing positive electrode active material for lithium ion secondary battery" was invented by Yuki Koshika (Niihama, Japan), Haruki Kaneda (Niihama, Japan) and Yukihiro Goda (Niihama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The method for producing a positive electrode active material for a lithium ion secondary battery includes preparing a mixture containing at least a nickel-manganese composite compound, a lithium compound, and optionally one or both of a titanium compound and a niobium compound. The...