US Patent Issued to LG Chem on Feb. 24 for "Method of preparing positive electrode active material" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,386, issued on Feb. 24, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Method of preparing positive electrode active material" was invented by Woo Ram Lee (Daejeon, South Korea), Na Ri Kim (Daejeon, South Korea), Dong Ryoung Kang (Daejeon, South Korea) and Sang Soon Choi (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing a positive electrode active material includes forming a pre-sintered product by mixing a transition metal precursor having a nickel content of 70 atm % or more and a lithium raw material and performing primary sintering, and forming a lithium composite transition metal oxide by performing...