US Patent Issued to AGR LITHIUM on Dec. 16 for "Method and system for extracting black mass from spent lithium ion batteries" (Singaporean, American, Indian Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,282, issued on Dec. 16, was assigned to AGR LITHIUM INC. (Houston).

"Method and system for extracting black mass from spent lithium ion batteries" was invented by Vipin Tyagi (Bellevue, Wash.), Amol Naik (Noida, India) and Nishchay Chadha (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for obtaining a metal salt from a spent lithium-ion (Li-ion) battery may include contacting a leaching solvent to a portion of the spent lithium-ion battery to form a first dispersion. The first dispersion is heated to a temperature in a range from 50deg C. to 90deg C. by applying microwave radiation. The temperature of the first dispersion is maint...