ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,857, issued on Sept. 8, was assigned to SK On Co. Ltd. (Seoul, South Korea).
"Separator for secondary battery, manufacturing method thereof, and lithium secondary battery" was invented by Chang Mook Hwang (Daejeon, South Korea), Hyun Ji Kim (Daejeon, South Korea), Jong Hyeok Lee (Daejeon, South Korea) and Yoon Ji Jo (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity...