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US 8,802,265 B2Granted
Method for storing electrical energy in ionic liquids
AssigneeFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
InventorsJens Noack, Jens Tübke, Karsten Pinkwart
Life of this patent
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Abstract
A redox flow battery having an electrolyte which includes at least one ionic liquid, wherein the anion of the ionic liquid(s) is selected from a halide, a phosphate, a nitrite, a nitrate, a sulfate, a hydrogensulfate, a carbonate, a hydrogencarbonate, a phosphonate, a phosphinate, a sulfonate, a carboxylate, an imide, a methide and mixtures thereof.
Claims17
A redox flow battery comprising an electrolyte which comprises at least one ionic liquid, wherein the anion of the ionic liquid(s) is selected from:
- a halide anion chosen from the group consisting of fluoride (F−), chloride (Cl−), bromide (Br−), iodide (I−) and astatide (At−);
- a phosphate;
- a nitrite;
- a nitrate;
- sulfate;
- a hydrogensulfate;
- a carbonate;
- a hydrogencarbonate;
- a phosphonate;
- a phosphinate;
- a sulfonate;
- a carboxylate;
- an imide;
- a methide and mixtures thereof;
- and wherein the electrolyte consists of the ionic liquid.
12 more elements
Dependencies are inferred from the claim text.