ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,531, issued on Sept. 30, was assigned to SK ON Co. LTD. (Seoul, South Korea).

"Cathode active material for lithium secondary battery and method of manufacturing the same" was invented by Sang Bok Kim (Daejeon, South Korea), Jik Soo Kim (Daejeon, South Korea), Jeong Bae Yoon (Daejeon, South Korea), Seung Ok Lee (Daejeon, South Korea) and Ji Hoon Choi (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cathode active material for a lithium secondary battery is provided. The cathode active material includes lithium-transition metal composite oxide particles having a crystallite size of 120 nm or less in a (104) plane direction measu...