ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,768, issued on Feb. 17, was assigned to SK On Co. Ltd. (Seoul, South Korea).
"Cathode active material for lithium secondary battery and lithium secondary battery including the same" was invented by Yoon Ji Lee (Daejeon, South Korea), Sang Han Lee (Daejeon, South Korea), Min Suk Kang (Daejeon, South Korea) and Yong Hyun Cho (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The cathode active material for a lithium secondary battery includes lithium-transition metal composite oxide particles having a crystal grain size of less than 300 nm measured through XRD analysis and an XRD peak intensity ratio of 7% or more. The present invent...