ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,607, issued on Sept. 15, was assigned to VARTA MICROBATTERY GMBH (Ellwangen Jagst, Germany).
"Energy storage cell and production method" was invented by Edward Pytlik (Ellwangen, Germany) and David Ensling (Ellwangen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium-ion cell includes a housing comprising a metallic tubular housing part made of aluminum or an aluminum alloy with a terminal circular opening. The cell further includes a contact element that closes the terminal circular opening of the tubular housing part, the contact element comprising a metal disk, a contact sheet metal member, a metal pole pin and an insulator. In ad...