US Patent Issued to LG Chem on Oct. 21 for "Method of producing positive electrode active material for lithium secondary battery and positive electrode active material for lithium secondary battery produced thereby" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,481, issued on Oct. 21, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Method of producing positive electrode active material for lithium secondary battery and positive electrode active material for lithium secondary battery produced thereby" was invented by No Woo Kwak (Daejeon, South Korea), Hyuck Lee (Daejeon, South Korea), Duck Gyun Mok (Daejeon, South Korea) and Min Hee Son (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode active material contains a lithium transition metal oxide in the form of a secondary particle in which primary particles are aggregated, wherein a zirconium-containing coating film...