US Patent Issued to TORAY INDUSTRIES on Sept. 22 for "Metal-air battery" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,280, issued on Sept. 22, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Metal-air battery" was invented by Kei Ikoma (Otsu, Japan), Aya Seita (Otsu, Japan) and Akimitsu Tsukuda (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary metal-air battery includes a positive electrode, a negative electrode, a nonaqueous electrolyte, an aqueous electrolyte, and a separator, in which the positive electrode is an air electrode, the negative electrode includes a negative electrode current collector and a negative electrode mixture layer formed on the negative electrode current collector, the negative electrode mixture layer contains at leas...