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Button-type battery with improved separator and gasket construction

  • US 5,547,781 A
  • Filed: 03/02/1994
  • Issued: 08/20/1996
  • Est. Priority Date: 03/02/1994
  • Status: Expired due to Term
First Claim
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1. A button-type battery comprising:

  • an anode;

    a cathode positioned adjacent to the anode;

    an electrolyte between the anode and the cathode;

    a conductive first terminal housing member in electrical contact with one of the anode or the cathode;

    the first terminal housing member having a periphery;

    a conductive second terminal housing member in electrical contact with the other of the anode or the cathode;

    the second terminal housing member having a periphery;

    the first and second terminal housing members forming an enclosed housing which holds and protects the anode and the cathode;

    the first and second terminal housing member peripheries being configured together to form a seal which seals the anode and the cathode within the housing formed by the first and second terminal housing members;

    a separator provided between and separating the anode and the cathode; and

    wherein the entirety of at least one of the first and second terminal housing members is substantially planar.

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