Polyfluorinated boron cluster anions for lithium electrolytes
First Claim
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1. A battery comprising:
- at least one lithium salt of the formula;
Li2B12FxZ12-x where x averages at least 4 but not more than 12 and Z comprises at least one of H, Cl, or Br; and
at least one solvent wherein the solvent has a dielectric constant greater than about 45.
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Abstract
The present invention relates a battery comprising: a lithium salt of the formula:
Li2B12FxZ12-x where x averages at least 4 but not more than 12 and Z is H, Cl, or Br, and a solvent having a higher dielectric constant than a solvent consisting of a 3:7 ratio by weight of ethylene carbonate (EC) and diethyl carbonate (DEC).
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25 Claims
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1. A battery comprising:
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at least one lithium salt of the formula;
Li2B12FxZ12-xwhere x averages at least 4 but not more than 12 and Z comprises at least one of H, Cl, or Br; and
at least one solvent wherein the solvent has a dielectric constant greater than about 45. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A battery comprising:
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a positive electrode, a negative electrode an electrolyte comprising;
at least one lithium salt of the formula;
Li2B12FxZ12-xwhere x averages at least 4 but not more than 12 and Z comprises at least one of H, Cl, or Br, and at least one solvent having a higher dielectric constant than a solvent consisting of a 3;
7 ratio by weight of ethylene carbonate (EC) and diethyl carbonate (DEC). - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. An electrolyte comprising:
- at least one lithium salt of the formula;
Li2B12FxZ12-xwhere x averages at least 4 but not more than 12 and Z comprises at least one of H, Cl, or Br; and
at least one solvent wherein the dielectric constant of the solvent is sufficient to prevent reduction of the salt when exposed to lithium metal.- View Dependent Claims (25)
- at least one lithium salt of the formula;
Specification