Composition of outer-sphere cations as a tool for electrochemical synthesis of novel niobium compounds | Zendy

V.V. Grinevitch | Zendy; Alla Arakcheeva | Zendy; С. А. Кузнецов | Zendy

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Composition of outer-sphere cations as a tool for electrochemical synthesis of novel niobium compounds

Author(s) -

V.V. Grinevitch,

Alla Arakcheeva,

С. А. Кузнецов

Publication year - 2003

Publication title -

journal of mining and metallurgy section b metallurgy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 20

eISSN - 2217-7175

pISSN - 1450-5339

DOI - 10.2298/jmmb0302223g

Subject(s) - fluoride , electrosynthesis , niobium , electrochemistry , inorganic chemistry , electrolysis , alkali metal , niobium oxide , molten salt , tetragonal crystal system , chemistry , oxide , phase (matter) , electrolyte , electrode , organic chemistry

The individual alkali-metal cation influence on the chemical and phase composition of electrosynthesis products has been studied in fluoride solvents with different O/Nb ratios. It was shown that the cation nature of molten electrolytes is a powerful tool to control the chemical and phase composition of the cathodic products of electrolysis in oxy-fluoride and fluoride melts. New niobium compounds were obtained by electrochemical synthesis using the outer-sphere cations composition control: tetragonal Nb6O, rhombohedral sub-oxide NbxO (x<6) and composite compounds "NbO" ⋅n"MeF" (Me=K, Rb, n=1, 2)

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