FE-CR REDOX FLOW BATTERY SYSTEMS AND METHODS FOR PREPARATION OF CHROMIUM-CONTAINING ELECTROLYTE THEREFOR
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Aug 8, 2024
app pub date -
Apr 17, 2024
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Nov 16, 2020
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Abstract
A method for preparation of electrolyte for a redox flow battery includes reducing chromium ore using a carbon source to convert the chromium ore to an iron/chromium alloy with carbon particles; dissolving the iron/chromium alloy with carbon particles in sulfuric acid to form a first solution; adding calcium chloride or barium chloride to the first solution to produce a second solution including FeCl3 and CrCl3; and adding an acid to the second solution to form the electrolyte. Other methods can be used for preparing an electrolyte from chromium waste material.
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