US Patent Issued to UMICORE on Sept. 16 for "Recovery of nickel and cobalt from Li-ion batteries or their waste" (Belgian Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,065, issued on Sept. 16, was assigned to UMICORE (Brussels).

"Recovery of nickel and cobalt from Li-ion batteries or their waste" was invented by Ryohei Yagi (Olen, Belgium) and Lennart Scheunis (Olen, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention lies in the field of pyrometallurgy and discloses a process and a slag suitable for the recovery of Ni and Co from Li-ion batteries or their waste.The slag composition is defined according to:10%greater thanMnOgreater than40%;(CaO+1.5*Li2O)/Al2O3less than0.3;CaO+0.8*MnO+0.8*Li2Ogreater than60%;(CaO+2*Li2O+0.4*MnO)/SiO2less than=2.0;Li2Oless than=1%; and,Al2O3+SiO2+CaO+Li2O+M...