US Patent Issued to LG Chem on Sept. 9 for "Manufacturing method of cathode additives for lithium secondary battery" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,884, issued on Sept. 9, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Manufacturing method of cathode additives for lithium secondary battery" was invented by Donghoon Suh (Daejeon, South Korea) and Seokhyun Yoon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The method includes mixing and heat-treating carbon nanotubes, a water-soluble polymer dispersant, and an iron (Fe) precursor to form an iron oxide-carbon precursor; mixing and calcining a lithium precursor and the iron oxide-carbon precursor at a temperature of 500deg C. or higher to form lithium-iron oxide particles; and heat-treating a mixture containing the lith...