ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,861, issued on Oct. 20, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).
"Positive electrode active material for secondary battery, manufacturing method thereof, freestanding film comprising the same, dry electrode and secondary battery comprising dry electrode" was invented by Jeonggil Kim (Daejeon, South Korea), Taegon Kim (Daejeon, South Korea) and Myeongsoo Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode active material for secondary battery includes lithium transition metal oxide particles; an amorphous carbon-based coating layer formed in the form of a coating film on the surface of th...