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Electrochemical cells having lithium tetrachloroiodate cathodes

  • US 4,465,743 A
  • Filed: 12/15/1982
  • Issued: 08/14/1984
  • Est. Priority Date: 12/15/1982
  • Status: Expired due to Fees
First Claim
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1. An electrochemical cell comprising anode, cathode, and electrolyte elements, and means operatively associating the elements for the generation of electrical energy, wherein:

  • (a) the anode is selected from the group of metals consisting essentially of lithium and calcium;

    (b) the electrolyte comprises a liquid inorganic solvent selected from the group consisting of SOCl2, POCl3, SO2 Cl2, SOBr2, SeOCl2, CrOCl2, SPCl3, VOCl3, SPBr3 and VOBr3, and a conductivity enhancing salt dissolved in the inorganic solvent, the anion of the salt being lithium when the anode is lithium and being lithium or calcium when the anode is calcium; and

    (c) the cathode consists essentially of a tetrachloroiodate salt of the general formula M(ICl4)n and wherein;

    M=Li, Na, K, Rb, Cs, Sr or Ba when anode is lithium,M=Li, Na, K, Rb, Cs, Sr, Ba or Ca when the anode is calcium, andn=1 or 2.

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