ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,632, issued on Aug. 4, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).
"Pouch film for secondary battery and manufacturing method thereof" was invented by Yong Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pouch film for a secondary battery and a method for manufacturing the same. In some embodiments, the pouch film includes a stretchable auxiliary layer that is a multi-layered structure comprising a plurality of layers, wherein layers in the plurality of layers have different elongation rates. The stress at the interface of each layer is relieved and the moldability of a pouch is improved. The risk of break...