US Patent Issued to SK ON on May 20 for "Lithium secondary battery" (South Korean Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,416, issued on May 20, was assigned to SK ON Co. LTD. (Seoul, South Korea).

"Lithium secondary battery" was invented by Soo Ho Kim (Daejeon, South Korea) and Min Gu Kang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium secondary battery includes a cathode including a cathode current collector, and a first cathode active material layer and a second cathode active material layer sequentially formed on the cathode current collector, an anode, and a separation layer interposed between the cathode and the anode. The first cathode active material layer and the second cathode active material layer include a first cathode activ...