The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2026
Filed:
Apr. 28, 2023
Energizer Brands, Llc, St. Louis, MO (US);
Matthew T. Wendling, St. Louis, MO (US);
George Zheng, St. Louis, MO (US);
Energizer Brands, LLC, St. Louis, MO (US);
Abstract
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 electrochemical cell further comprises a cathode electrode material disposed in the outer cavity; and a anode electrode material disposed in at least a portion of the inner cavity.