Abstract
In NaCl-KCl-NaF-V2O3 molten salt, used graphite as an anode and carbon steel plate as a cathode, vanadium was successfully prepared by molten salt electrodeposition. The reduction mechanism of molten salt electrodeposition vanadium is discussed, and the influence of NaF content, current density, electrodeposition temperature, and electrodeposition time on the electrodeposition vanadium are studied. The optimum electrodeposition conditions are obtained: the composition of molten salt is XNaCl = 0.4, XKCl = 0.4, XNaF = 0.2, V2O3 is 15%; adopt bidirectional pulse current (pulse period T = 1000 ms, positive and negative current ratio ip/in = 6:1, positive and negative time ratio tp/tn = 3:1); the current density is 200 mA·cm−2. The electrodeposition temperature is 973 K, and the electrodeposition time is 30 min.
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