US Patent Issued to Bluegrass Infrastructure Partners Holdings on Sept. 15 for "Multi-stage lithiation for cathode material" (Massachusetts Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,489, issued on Sept. 15, was assigned to Bluegrass Infrastructure Partners Holdings LLC (Toronto).

"Multi-stage lithiation for cathode material" was invented by Yadong Liu (Westborough, Mass.), Eric Gratz (Westborough, Mass.), Haixia Deng (Westborough, Mass.), Dhiren Mistry (Westborough, Mass.), Anil Parmar (Westborough, Mass.) and Martha Monzon (Westborough, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Li-ion cathode material is prepared by a multi-stage lithiation process that separates a total amount of lithium called for by the recycled battery to be used in a series of sintering stages. A leaching, ratio adjustment and coprecipitatio...