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Electrochemical cell

  • US 8,766,642 B2
  • Filed: 08/28/2009
  • Issued: 07/01/2014
  • Est. Priority Date: 08/28/2009
  • Status: Active Grant
First Claim
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1. An electrochemical cell,comprising:

  • a cathode compartment comprising a metal in elemental form disposed in the cathode compartment, wherein the metal comprises sodium or potassium;

    a separator;

    an anode compartment; and

    at least one contact device disposed in the cathode compartment or in the anode compartment;

    wherein the contact device is suspended from the top of the electrochemical cell in the cathode compartment or in the anode compartment; and

    wherein the electrochemical cell is in a ground state, and the cell is configured to determine a state-of-charge of a source.

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