ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,682, issued on May 5, was assigned to LG ENERGY SOLUTION LTD. (Seoul, South Korea).

"Jelly-roll electrode assembly and secondary battery comprising the same" was invented by Inbok Park (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A jelly-roll electrode assembly includes a cathode sheet, an anode sheet, and a separator interposed between the cathode sheet and the anode sheet, the cathode sheet, the anode sheet, and the separator being wound together. An outermost side of the jelly-roll electrode assembly includes a non-coated portion on which no active material layer is provided on the anode sheet. A swelling tape is located on ...