US Patent Issued to NORTHVOLT on Aug. 5 for "Process for the recovery of cathode materials in the recycling of batteries" (Swedish Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,268, issued on Aug. 5, was assigned to NORTHVOLT AB (Stockholm).

"Process for the recovery of cathode materials in the recycling of batteries" was invented by Mahmood Alemrajabi (Stockholm), Ingrid Karlsson (Stockholm), Ragnar Sjodahl (Stockholm), Emma Nehrenheim (Stockholm), Martina Petranikova (Gothenburg, Sweden) and Cristian Tunsu (Gothenburg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for removal of aluminium and iron in the recycling of rechargeable batteries comprising providing a leachate from black mass, adding phosphoric acid (H3PO4) to said leachate and adjusting the pH to form iron phosphate (FePO4) and aluminium phos...