ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,260, issued on Dec. 16, was assigned to LG ENERGY SOLUTION LTD. (Seoul, South Korea).

"Pressing jig with a gradient hardness pressing pad for a battery cell and a degassing method of battery cell using the same" was invented by Sun Kyu Kim (Daejeon, South Korea) and Sang Hoon Choy (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressing jig of a battery cell including a pressing pad, in which the modulus of the central region is different from the modulus of the peripheral region, and a method of degassing a battery cell using the same are provided. The pressing pad can easily discharge gas in the battery cell during the forma...