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Batteries including a flat plate design

  • US 9,620,806 B2
  • Filed: 04/21/2010
  • Issued: 04/11/2017
  • Est. Priority Date: 12/31/2002
  • Status: Active Grant
First Claim
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1. A battery comprising:

  • a housing having a wall which includes an integrally formed annular structure defining a feedthrough hole, the integrally formed annular structure including an inward facing cylindrical surface;

    an electrode assembly located within the housing and including an anode and a cathode, and a ribbon tab connector connected to the anode or the cathode and extending out of the electrode assembly;

    a feedthrough post extending through the feedthrough hole;

    an electrically insulating member having an outer surface abutting the inward facing cylindrical surface, the electrically insulating member having an inner hole, wherein the feedthrough post extends through the inner hole and has one end connected to the ribbon tab connector extending out of the electrode assembly, and wherein the ribbon tab connector has a U-shaped configuration and is wrapped around a side surface of the feedthrough post and is attached to an opposite portion of the feedthrough post at a section configured to provide strain relief for the connection within the housing between the ribbon tab connector and the feedthrough post, and wherein there is a space between a portion of the ribbon tab and the feedthrough post, and a second end exposed externally to the housing; and

    wherein the electrode assembly includes a cut-out portion such that there is an empty space between the housing wall and the electrode assembly, and wherein the feedthrough post extends into the space and the tab extends into the empty space.

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