US Patent Issued to DOWA ELECTRONICS MATERIALS on Aug. 4 for "Powder including niobium complex and lithium and production method thereof, and production method of lithium secondary battery positive electrode active material having coated layer containing lithium niobate" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,213, issued on Aug. 4, was assigned to DOWA ELECTRONICS MATERIALS Co. LTD. (Tokyo).

"Powder including niobium complex and lithium and production method thereof, and production method of lithium secondary battery positive electrode active material having coated layer containing lithium niobate" was invented by Masahiro Yoshida (Tokyo), Hidefumi Fujita (Tokyo) and Koji Tanque (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder contains a niobium complex and lithium, an amount of niobium being 25 mass % or more and 75 mass % or less, a proportion of niobium in metal elements of the powder is 0.775 or more and 0.950 or less in terms of mass ra...