ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,190, issued on March 17, was assigned to ECOPRO BM Co. LTD. (Cheongju-si, South Korea).
"Positive electrode active material and lithium secondary battery using the same" was invented by Chae Won Moon (Cheongju-si, South Korea), Hyung Jong Yu (Cheongju-si, South Korea), Jung Bae Park (Cheongju-si, South Korea) and Moon Ho Choi (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a positive electrode active material which is formed such that a lithium ion diffusion path in a lithium composite oxide constituting a positive electrode active material is directed to a specific crystal plane, and has im...