HIGH-CONCENTRATION VANADIUM ELECTROLYTIC SOLUTION, AND METHOD AND DEVICE FOR PRODUCING THE SAME

HIGH-CONCENTRATION VANADIUM ELECTROLYTIC SOLUTION, AND METHOD AND DEVICE FOR PRODUCING THE SAME

Provided is a high-concentration vanadium electrolytic solution containing a high concentration of vanadium ions, which could not conventionally be prepared, and which can be used in a circulation-type redox flow battery or a non-circulation-type redox non-flow battery and in which sludge is unlikel...

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1. Verfasser: UTSUMI, KENICHI
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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description Provided is a high-concentration vanadium electrolytic solution containing a high concentration of vanadium ions, which could not conventionally be prepared, and which can be used in a circulation-type redox flow battery or a non-circulation-type redox non-flow battery and in which sludge is unlikely to be generated, and a method and a device for producing the same. To solve the above-discussed problems, the vanadium electrolytic solution which is a sulfuric acid solution, includes vanadium ions in the range of from over 1.7 mol/L to 3.5 mol/L. The vanadium electrolytic solution is a second solution itself or a second solution prepared by adding preparation water or preparation sulfuric acid to a first solution in order to adjust to a final total volume of the vanadium electrolytic solution, the first solution being prepared by mixing the vanadium salt with preparation water in order to dissolve the vanadium salt and a second solution being prepared by adding sulfuric acid to the first solution while pre-electrolyzing the first solution.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title HIGH-CONCENTRATION VANADIUM ELECTROLYTIC SOLUTION, AND METHOD AND DEVICE FOR PRODUCING THE SAME
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