US Patent Issued to Mitsubishi Materials on Aug. 11 for "Method for recovering valuable metal from used LIB" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,893, issued on Aug. 11, was assigned to Mitsubishi Materials Corp. (Tokyo).

"Method for recovering valuable metal from used LIB" was invented by Hajime Kawasaki (Iwaki, Japan) and Atsuhiro Nabei (Naka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This method for recovering a valuable metal from a used LIB includes: a step of adding, to an electrode assembly taken out of a detoxified used LIB, metallic zinc in an excess amount relative to a mass of the electrode assembly; a step of heating a mixture of the electrode assembly and the metallic zinc to form a molten metal; a step of taking out the molten metal and separating the molten metal int...