US Patent Issued to Sumitomo Metal Mining on Sept. 8 for "Lithium metal composite oxide, positive electrode active substance for lithium secondary battery, positive electrode for lithium secondary battery, lithium secondary battery, and method for producing lithium metal composite oxide" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,786, issued on Sept. 8, was assigned to Sumitomo Metal Mining Co. Ltd. (Tokyo).

"Lithium metal composite oxide, positive electrode active substance for lithium secondary battery, positive electrode for lithium secondary battery, lithium secondary battery, and method for producing lithium metal composite oxide" was invented by Tomoya Kuroda (Fukui, Japan) and Yuichi Sato (Niihama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium metal composite oxide having a layered structure, including at least lithium and an element X, wherein:the element X is at least one element selected from the group consisting of Co, Mn, Fe, Cu, Ti, Mg, Al, W, M...