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Hydrogen generating cell with cathode

  • US 6,787,008 B2
  • Filed: 04/02/2002
  • Issued: 09/07/2004
  • Est. Priority Date: 10/30/2001
  • Status: Expired due to Term
First Claim
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1. A storage stable hydrogen generating galvanic cell comprising:

  • an anode subassembly comprising a metal anode, electrolyte and cap;

    a cathode subassembly comprising a substantially non-porous cathode, separator and can, wherein the cathode is configured for contact with the electrolyte, the cathode being hydrogen permeable and substantially impermeable to O2, CO2 and water to in turn preclude the passage of O2, CO2 and water into and out of the cell, and to facilitate the permeation of hydrogen through at least one aperture of the can; and

    a grommet between at least a portion of the anode subassembly and a portion of the cathode subassembly.

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