Electroreduction of Niobium Oxyfluoride Complexes
in the NaClKCl Melt

S. A. Kuznetsov, A. L. Glagolevskaya, V. V. Grinevich*, and S. V. Kuznetsova

Institute of Rare Element and Mineral Chemistry and Technology, Kol’skii Research Center, Russian Academy of Sciences,
ul. Fersmana 14, Apatity, Murmansk oblast, 184200 Russia

* Baikov Institute of Metallugry, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 117334 Russia

Received July 18, 1994

Abstract—The electrochemical behavior of monoxyfluoride, dioxyfluoride, and trioxyfluoride niobium com-
plexes in the NaCl–KCl melt is studied. The diffusion coefficients for the NbO complexes are determined.
Solubility of niobium oxyfluoride compounds in equimolar mixture of chlorides of sodium and potassium is
found to diminish upon shifting from monoxyfluoride to trioxyfluoride compounds. The electrochemical dep-
osition of the KNbO₂F phase at the cathode is shown to be feasible.

Pleiades Publishing home page | journal home page | top

If you have any problems with this server, contact webmaster.