Title: Electrochemistry of vanadium(II) and the electrodeposition of aluminium-vanadium alloys  in the aluminium chloride-1-ethyl-3-methylimidazolium chloride  molten salt

Abstract

The electrochemical behavior of vanadium (II) was examined in the 66.7-33.3 mole percent aluminum chloride-l-ethyl-3-methylimidazolium chloride molten salt containing dissolved VCl2 at 353 K...

Title: Order/disorder in electrodeposited aluminium-titanium alloys

Abstract

The composition, morphology, and crystallographic microstructure of Al-Ti alloys electrode-posited from two different chloroaluminate molten salt electrolytes were examined. Alloys containing up to 28 % atomic fraction

Title: Electrorefining of aluminium alloy in ionic liquids at low temperatures

Abstract

The electrorefining of aluminum alloy (A 360) in ionic liquids at low temperatures has been investigated. The ionic liquid electrolyte was prepared by mixing anhydrous AICI3 and l-Butvl-3-methv/imidazo/ium chloride (BMIC) in...

Title: Electrodeposition of tin from EMI·BF4·Cl room temperature molten salts  

Abstract

The electrochemistry ofSn(II) was investigated with cyclic voltammetry and chronoamper- ometry in the I -ethvl-3-methvlimidazolium let rafluoro borate molten salt containing free chloride ions (EMI-BF4Cl) originated from the...

Title: Passivation and red-ox processes of refractory metals in carbamide- chloride melt 

Abstract

The electrochemical behavior of refractory metals (Pt, Pd, W, Ti, Nb, Ta) in the low-temperature carbamide-NH₄Cl melt (t_exp=120 °C) and the structure of complex ions formed after anodic dissolution have been studied by...

Title: Corrosion of steel in ionic liquids

Abstract

The corrosion behavior of 1018 carbon steel alloy has been investigated by electrochemical techniques. The ionic liquids studied were l-hutyl-3-methylimidazolium chloride ([C₄nim]Cl), 1-hexyl-3-methyliimidazolium...

Title: Modern electrochemical processes and technologies in ionic melts

Abstract

An analysis of the known methods for the electrochemical purification of non-ferrous metals in ionic melts is presented. A comparative estimation of the results of the electrochemical purification of non-ferrous metals by...

Title: Electrochemical behavior of lanthanum and yttrium ions in two molten chlorides with different oxoacidic properties: the eutectic LiCl-KCl and the equimolar mixture CaCl2-NaCl

Abstract

The electrochemical behavior of LaCl₃ and YCI₃ was studied in two molten chloride mixtures with different oxoacidic properties, the eutectic LiCI-KCI and the equimolar CaCI₂-NaCI melt at different temperatures....

Title: Electrocrystallization of fibrous silver deposits from nitrate melts-experiments and modeling

Abstract

Fibrous silver deposits have been obtained in molten nitrates on a moving cathode. Cylindrical silver cathode was lifted from the melt AgN0₃-NaN0₃-KN0₃. It is found that the dimensions of the silver threads as well as...

Title: Electrodeposition of rhenium from chloride melts-electrochemical nature, sreucture and applied aspects

Abstract

Processes involved in the electrodeposition of rhenium from chloride melts have been studied over the temperature interval from 680 to 970 °C at a cathodic current density of 5 to 250 mA/cm²...

Title: Exchange current densities at electrochemical phase formation from molten salts

Abstract

The processes of nucleation, growth and phase formation during electrodeposition from molten salts have been studied. Theoretical methods for the determination of nucleation and growth parameters...

Title: Electrodeposition of alloys or compounds in molten salts and applications

Abstract

This article deals with the different modes of preparation of alloys or intermetallic compounds using the electrodeposition in molten salts, more particularly molten alkali fluorides. The interest in this process is to...

Title: Electrodeposition of platinum metals and alloys from chloride melts

Abstract

The structure of platinum metals and their alloys deposited by the electrolysis of chloride melts have been investigated. The cathodic deposits were both in the form of compact layers and dendrites. All the alloys of...

Title: Study of the Mg-Nd alloy obtained by electrolysis in molten oxifluoride media

Abstract

Mg-Nd alloys have been produced by electrolysis of the molten mixture LiF-NdF₃ - MgF₂ using Nd₂(CO₃)₃ and MgF₂ as raw materials. An electrolysis cell was designed having the anode made of super dense graphite and...

Title: Composition of outher-sphere cations as a tool for electrochemical synthesis of novel niobium compounds

Abstract

The individual alkali-metal cation influence on the chemical and phase composition of elec-trosynthesis products has been studied in fluoride solvents with different O/Nb ratios. It was shown that the cation nature of...

Title: Novel electrochemical reactions related to electrodeposition and electrochemical synthesis

Abstract

Novel electrochemical reactions in molten salts related to electrodeposition and electrochemical synthesis are reviewed to show their usefulness and possibilities in producing functional materials. Surface nitriding of...

Title: The electrochemical synthesis of europium boride

Abstract

The electroreduction of boron, europium and the electrochemical synthesis of europium boride have been investigated in NaCl-KCl-NaF (10 wt. %) melt on silver and molybdenum electrodes. The parameters of boron...

Title: Phase composition of cathodic deposits synthesized in Flinak-K₂TaF₇-KBF₄ melt

Abstract

The phase composition ofcathodic deposits synthesized from FLINAK-K₂TaF₇KBF₄ melt has been studied by the X-ray diffraction method. It is shown that boron content in the electrodeposit grows as the...

Title: Texture effects in TiB₂ coatings electrodeposited from a NaCl-KCl-K₂TiF₆-NaF-NaBF₄ melt at 700^oC

Abstract

TiB₂ layers have been electrodeposited on steel and molybdenum substrates from a molten salt electrolyte at 700° C by either direct current (DC) or pulsed plating techniques. The crystallo-graphic textures of the coatings...

Title: Joint electroreduction of lanthanum, gadolinium and boron in halide

Abstract

The joint electroreduction of La, Gd and B from chloride-fluoride melts has been studied by cyclic voltametry. Based on the analysis of voltamograms the possibility of electrosynthesis of lanthanum-gadolinium borides...

Title: High-temperature electrochemical syntesis of carbon-containing inorganic compounds under excessive carbon dioxide pressure

Abstract

Features of the electroreduction of carbon dioxide dissolved in the equimolar melt of sodium and potassium chlorides under excessive pressure of up to 1.7 MPa have been studied by cyclic vo/tametry over a...

Title: Spontaneous mass transfer and deposition of carbon and silicon on titanium in LiCl-Li ionic-electronic melts

Abstract

Coatings and powders containing separate phases of silicides and carbides have been obtainedduring the joint saturation oftitanium bv carbon and silicon in ionic-electmnic melt Li-LiCL...

Title: Electrochemistry of silicon in chloro-fluoride and carbonate melts

Abstract

The electrochemical behavior of K₂SiF₆ in chloro-fluoride melts and that of Si0₂ in carbonate melts has been studied. Silicon, titanium silicides, boron silicide and ternary compounds Ti-Si-B have been deposited from...

Title: Recent development in electrolytic formation of carbon nanotubes in molten salts

Abstract

This article reviews the recent research development in the electrolytic production of carbon nano-tubes in molten salts. The experimental procedure and product morphologies of the elec-trolytic method are...

Title: Some aspects of the electrochemical formation of carbon micro-tubes from molten chlorides

Abstract

Carbon nano/micro-tubes have been successjully synthesized by an electrochemical way from the NaCI-KCl-5% MgCl₂ molten salt on the sutrface ofa graphite cathode. The length of the tubes is above...

Title: A model for electrochemical insertion limited by a phase transition process (EILPT)

Abstract

This paper deals with electrochemical insertion into a cathodic material. New results on modelling of the influence of a solid phase transformation on the shape of voltamograms are presented. The original experiments concern the...

Title: Electrochemical study of the electrodeposition and intercalation of sodium into graphite from sodium chloride as the first step of carbon nano-tubes formation

Abstract

The mechanism of sodium reduction in sodium chloride melt at three different electrodes has heen investigated by means of cyclic voItammetry. The definition of so-called 'thermodynamic' or 'material halance' reversihility has been...

Title: Equilibrium electrochemical synthesis diagrams of systems, forming homogeneous alloys and compounds

Abstract

In the present paper thermodynatnic limitations will be derived and summarized in the form of Equilibrium Electrochemical Synthesis (EES) diagrams, in order to predict the composition of the equilibrium phase, synthesized by...