US Patent Issued to Energizer Brands on May 19 for "Electrochemical cell with anode material in protrusion" (Missouri Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,598, issued on May 19, was assigned to Energizer Brands LLC (St. Louis).

"Electrochemical cell with anode material in protrusion" was invented by Matthew T. Wendling (St. Louis) and George Zheng (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical cell comprises a can comprising a cylindrical side wall extending from a closed end wall, the closed end wall defining a protrusion with a protrusion cavity therein; and a separator positioned within the can and defining an inner cavity and separating the inner cavity from an outer cavity defined by the can and the separator. The inner cavity extends into the protrusion cavity. The e...