US Patent Issued to Queen's University at Kingston on April 7 for "Hydrometallurgical recycling of lithium-ion battery electrodes" (Canadian Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,651, issued on April 7, was assigned to Queen's University at Kingston (Kingston, Canada).

"Hydrometallurgical recycling of lithium-ion battery electrodes" was invented by Alexandru Sonoc (Kingston, Canada), Jacob Jeswiet (Kingston, Canada) and Ahmad Ghahreman (Kingston, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A green chemistry hydrometallurgical process for recovering one or more metals from a metal-containing material includes leaching the metal-containing material with formic acid, obtaining a leachate comprising the one or more metals as one or more metal formates, and precipitating at least one of the one or more metal formates. T...