Aqueous redox flow batteries comprising metal ligand coordination compounds
First Claim
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1. A composition comprising an ammonium or alkylammonium salt of a metal complex containing at least one substituted catecholate ligand.
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Abstract
This invention is directed to aqueous redox flow batteries comprising redox-active metal ligand coordination compounds. The compounds and configurations described herein enable flow batteries with performance and cost parameters that represent a significant improvement over that previous known in the art.
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26 Claims
- 1. A composition comprising an ammonium or alkylammonium salt of a metal complex containing at least one substituted catecholate ligand.
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18. A flow battery comprising:
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a first half-cell containing a first aqueous electrolyte solution; and a second half-cell containing a second aqueous electrolyte solution; wherein at least one of the first aqueous electrolyte solution and the second aqueous electrolyte solution comprises an ammonium or alkylammonium salt of a metal complex containing at least one optionally substituted catecholate ligand. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26)
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Specification