ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,238, issued on Jan. 20, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).
"Nickel-manganese composite hydroxide, method for producing the same, positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery" was invented by Yuki Koshika (Niihama, Japan), Haruki Kaneda (Niihama, Japan) and Takaaki Ando (Niihama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode active material reduces an eluted lithium amount when used for a nonaqueous electrolyte secondary battery, and a nickel-manganese composite hydroxide as a precursor. A ni...