US Patent Issued to AQUA METALS on Sept. 9 for "Systems and methods for metal recovery from lithium ion batteries" (California Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,940, issued on Sept. 9, was assigned to AQUA METALS INC. (McCarran, Nev.).

"Systems and methods for metal recovery from lithium ion batteries" was invented by Brian James Dougherty (Emeryville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for recovery of lithium and various non-lithium components from lithium ion battery waste materials are presented in which all components are first leached into a leach solution. Non-lithium components are adsorbed to an ion exchange resin, and unbound lithium passes through and precipitated from the pass through fraction. The bound non-lithium components are then sequentially desorbed...