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Electrolytes for lithium sulfur cells

  • US 20050147886A1
  • Filed: 01/06/2004
  • Published: 07/07/2005
  • Est. Priority Date: 01/06/2004
  • Status: Active Grant
First Claim
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1. An electrochemical cell comprising:

  • (a) a cathode comprising an electroactive sulfur-containing material;

    (b) an anode comprising lithium; and

    (c) a nonaqueous electrolyte;

    wherein the cell exhibits utilization of the electroactive sulfur-containing material of at least 60% and a charge-discharge efficiency of at least 80% over at least 10 cycles at a charge rate of about 0.2 mA/cm2 and a discharge rate of about 0.4 mA/cm2.

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