ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,622, issued on Sept. 23, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Secondary battery" was invented by Takamasa Ono (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode active material. The electrolytic solution includes a multi-nitrile compound. The positive electrode active material includes a lithium-nickel composite oxide and a boron compound. The lithium-nickel composite oxide has a layered rock-salt crystal structure. The positive electrode active material has a...