ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,464, issued on March 31, was assigned to SK On Co. Ltd. (Seoul, South Korea).
"Pouch film and secondary battery including the same" was invented by Hyo Sang Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention provides a pouch film. In manufacturing a secondary battery, a gas may be generated when reacting an electrode assembly with an electrolyte. After the generated gas is discharged, the pouch film may be sealed. In this case, a deformation part may be formed in the gas chamber section which serves as a passage for discharging the gas, specifically, in the gas chamber passage, thus to prev...