US Patent Issued to SK INNOVATION on Oct. 21 for "Method for reducing waste by recovering transition metals from lithium secondary battery" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,533, issued on Oct. 21, was assigned to SK INNOVATION Co. LTD. (Seoul, South Korea).

"Method for reducing waste by recovering transition metals from lithium secondary battery" was invented by Ji Yun Park (Daejeon, South Korea), Hyeon Hui Lee (Daejeon, South Korea) and Keum Jung Yoon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reducing waste by recovering transition metal of a lithium secondary battery of the present invention includes preparing a cathode active material from a cathode of the lithium secondary battery, producing a first leachate by treating the cathode active material with a first acidic solution...