US Patent Issued to SK INNOVATION on March 25 for "Method for recovering lithium precursor from waste lithium secondary battery positive electrode material" (South Korean Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,279, issued on March 25, was assigned to SK INNOVATION Co. LTD. (Seoul, South Korea).

"Method for recovering lithium precursor from waste lithium secondary battery positive electrode material" was invented by Sukjoon Hong (Daejeon, South Korea), Jiyun Park (Daejeon, South Korea), Jeongbae Yoon (Daejeon, South Korea), Seungok Lee (Daejeon, South Korea), Jimin Kim (Daejeon, South Korea) and Sungreal Son (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reducing waste by recovering a lithium precursor including: a) mixing a waste lithium secondary battery positive electrode material with urea to prepare a first mixture;...