US Patent Issued to NORTHVOLT on Dec. 30 for "Cylindrical secondary cell lid comprising multiple recessed contact portions" (Swedish Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,540, issued on Dec. 30, was assigned to NORTHVOLT AB (Stockholm).

"Cylindrical secondary cell lid comprising multiple recessed contact portions" was invented by Kenya Shatani (Stockholm) and Michael Shaughnessy (Vasteras, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure presents a cylindrical secondary cell lid (1) for a cylindrical secondary cell (10), the cylindrical secondary cell lid (1) comprising a number of recessed contact portions (2) to be arranged in direct electrical contact with an electrode roll (20) arranged inside the cylindrical secondary cell (10), the area of the recessed contact portions (2) being 50 to 80 pe...