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Long life lithium batteries with stabilized electrodes

  • US 9,012,096 B2
  • Filed: 01/24/2006
  • Issued: 04/21/2015
  • Est. Priority Date: 05/28/2004
  • Status: Active Grant
First Claim
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1. An electrolyte comprising:

  • Li[(C2O4)BF2], [LiPF2(C2O4)2], or a mixture thereof;

    a polar aprotic solvent; and

    an electrode stabilizing additive, capable of forming a passivating film on the surface of an electrode;

    wherein;

    the electrode stabilizing additive is a substituted or unsubstituted linear, branched or cyclic hydrocarbon, other than a spirocyclic hydrocarbon, comprising at least one oxygen atom and at least one aryl, alkenyl or alkynyl group; and

    the electrolyte is substantially non-aqueous.

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