US Patent Issued to LG ENERGY SOLUTION on Sept. 23 for "Method for pre-sodiation of negative electrode, pre-sodiated negative electrode, and lithium secondary battery comprising same" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,609, issued on Sept. 23, was assigned to LG ENERGY SOLUTION LTD. (Seoul, South Korea).

"Method for pre-sodiation of negative electrode, pre-sodiated negative electrode, and lithium secondary battery comprising same" was invented by Oh-Byong Chae (Daejeon, South Korea), Ye-Ri Kim (Daejeon, South Korea) and Seung-Hae Hwang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for pre-sodiation of a negative electrode, including the steps of: interposing a separator between a sodium ion-supplying metal sheet and a negative electrode to prepare a simple cell; dipping the simple cell in an electrolyte for pre-sodiation; and elect...