US Patent Issued to Andong National University Industry-Academic Cooperation Foundation on Feb. 10 for "ECO-friendly method for regenerating cathode active material of waste secondary battery using lactic acid" (South Korean Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,814, issued on Feb. 10, was assigned to Andong National University Industry-Academic Cooperation Foundation (Andong-si, South Korea).

"ECO-friendly method for regenerating cathode active material of waste secondary battery using lactic acid" was invented by Keon Sang Ryoo (Andong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a method for regenerating a cathode active material of a waste secondary battery, the method includes (a) dissolving the metal component included in the waste cathode active material including 50% to 90% weight of manganese (Mn) based on the total weight of the metal component including lithium (Li),...