Patents Assigned to VARTA Microbattery GmbH, a corporation of Germany, Am Leineufer 51,30419 Hannover, Germany
  • Galvanic element
    Publication number: 20030211387
    Abstract: A galvanic element with an alkaline electrolyte and a zinc negative electrode, in a housing in the form of a button cell, where at least the outer surface of the cell's cap is coated with a Cu—Sn-alloy containing no nickel or with a Cu—Sn—Zn-alloy containing no nickel. The alloy contains about 20% to about 90% Cu, preferably about 50% to about 60% Cu, with the remainder being Sn, or about 50% to about 60% Cu and about 25% to about 35% Sn, with the remainder being Zn.
    Type: Application
    Filed: March 26, 2003
    Publication date: November 13, 2003
    Applicant: VARTA Microbattery GmbH, a corporation of Germany, Am Leineufer 51,30419 Hannover, Germany
    Inventors: Eugen Braunger, Konrad Holl, Bernd Kreidler, Dejan Ilic