US Patent Issued to Sumitomo Metal Mining on Dec. 9 for "Lithium metal composite oxide powder, positive electrode active material for lithium secondary batteries, positive electrode, and lithium secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,482, issued on Dec. 9, was assigned to Sumitomo Metal Mining Co. Ltd. (Tokyo).

"Lithium metal composite oxide powder, positive electrode active material for lithium secondary batteries, positive electrode, and lithium secondary battery" was invented by Tomoya Kuroda (Fukui, Japan) and Kenji Takamori (Niihama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium metal composite oxide powder has a layered structure, and includes at least Li, Ni, an element X, and an element M. The element X is at least one element selected from the group consisting of Co, Mn, Fe, Cu, Ti, Mg, Al, W, Mo, Nb, Zn, Sn, Zr, Ga and V. The element M is at least one e...