US Patent Issued to LG ENERGY SOLUTION on Aug. 18 for "Separator having difference in porosity along thickness direction and manufacturing method thereof" (South Korean Inventor)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,240, issued on Aug. 18, was assigned to LG ENERGY SOLUTION LTD. (Seoul, South Korea).

"Separator having difference in porosity along thickness direction and manufacturing method thereof" was invented by Ji Won Min (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A separator for a secondary battery including a polyolefin and a separator body having a porous structure. The separator body has a difference in porosity along a thickness direction. It is possible to improve the problem of imbalance in ionic conductivity caused by differences in thickness and electrical conductivity between a positive electrode and a negative electrode....