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Energy storage device

  • US 5,867,363 A
  • Filed: 03/30/1994
  • Issued: 02/02/1999
  • Est. Priority Date: 09/18/1992
  • Status: Expired due to Fees
First Claim
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1. A dry preunit for an energy storage device comprising:

  • at least a first cell for storing energy, said first cell comprising, in combination;

    a. a first electrically conductive electrode;

    b. a second electrically conductive electrode, said first and second electrodes being spaced apart by a first predetermined distance;

    c. first dielectric gasket means interposed between said first and second electrodes, for separating and electrically insulating said first and second electrodes;

    d. a first high surface area electrically conducting coating layer formed on one surface of said first electrode, such that said first coating layer is interposed between said first electrode and said gasket means; and

    e. a plurality of protrusions on said first coating layer,whereby, when said first electrode, said second electrode and said first gasket means having a centrally located opening are bonded together to form said first cell, an air filled fill gap is formed therebetween.

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