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US 8,576,541 B2Granted
Electrolyte system
AssigneeCorning Incorporated
InventorsKishor Purushottam Gadkaree, Shrisudersan Jayaraman
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Abstract
An electrolyte system having a conductive salt dispersed in a solvent mixture, the solvent mixture having an organic nitrile solvent and a co-solvent. The concentration of the conductive salt in the electrolyte system is 1.25 molar to 3.0 molar.
Claims7
An electrolytic cell comprising:
- two electrodes;
- wherein at least one of the electrodes comprises activated carbon;
- wherein the activated carbon electrode comprises:
- pores having a size of ≦1 nm, which provide a combined pore volume of ≧0.3 cm3/g;
- pores having a size of from >1 nm to ≦2 nm, which provide a combined pore volume of ≧0.05 cm3/g;
- and
- <0.15 cm3/g combined pore volume of any pores having a size of >2 nm;
- an electrolyte system comprising:
- a conductive salt selected from the consisting of quaternary ammonium salts, cyclic aromatic imidazolium salts, and asymmetric ammonium salts dispersed in a solvent mixture,
- wherein a concentration of the conductive salt in the electrolyte system is from about 1.25 molar to about 3.0 molar;
- and
- the solvent mixture comprises an acetonitrile and a co-solvent.
9 more elements
Dependencies are inferred from the claim text.