US Patent Issued to Iowa State University Research Foundation on July 29 for "Lithium recovery via charging of lithium-ion batteries" (Iowa Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,733, issued on July 29, was assigned to Iowa State University Research Foundation Inc. (Ames, Iowa).

"Lithium recovery via charging of lithium-ion batteries" was invented by Cajetan Ikenna Nlebedim (Ames, Iowa), Abhishek Sarkar (Ames, Iowa) and Pranav Shrotriya (Ames, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "An efficient and green method for selective extraction of Li from end-of-life secondary LIBs of any capacity and size is provided. Electrochemical driven selective lithium deposition is targeted at the anode/separator interface of the end-of-life LIB. The deposited Li is recovered by processing of an opened or dismantled battery using...