Flow batteries incorporating a nitroxide compound within an aqueous electrolyte solution

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United States of America Patent

PATENT NO 11799117
APP PUB NO 20210194032A1
SERIAL NO

17177845

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Abstract

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Flow batteries can include a first half-cell containing a first aqueous electrolyte solution. a second half-cell containing a second aqueous electrolyte solution, and a separator disposed between the first half-cell and the second half-cell. The first aqueous electrolyte solution contains a first redox-active material, and the second aqueous electrolyte solution contains a second redox-active material. At least one of the first redox-active material and the second redox-active material is a nitroxide compound or a salt thereof. Particular nitroxide compounds can include a doubly bonded oxygen contained in a ring bearing the nitroxide group, a doubly bonded oxygen appended to a ring bearing the nitroxide group, sulfate or phosphate groups appended to a ring bearing the nitroxide group, various heterocyclic rings bearing the nitroxide group, or acyclic nitroxide compounds.

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Patent Owner(s)

Patent OwnerAddress
LOCKHEED MARTIN ADVANCED ENERGY STORAGE LLC6801 ROCKLEDGE DRIVE BETHESDA MD 20817-1877

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Humbarger, Scott Thomas Somerville, US 7 41
Millard, Matthew Belmont, US 17 66
Nelson, Emily Grace Watertown, US 5 7
Norman, Zachariah M Belmont, US 7 8

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