The polarization studies have been performed on the electrochemical reduction of TiO2 in a molten CaCl2 bath at 950 degrees C. The cathodic and anodic plots have been drawn by taking TiO2 pellet as cathode and graphite rod as anode, respectively. The cathodic and anodic over-potentials at various cell voltages have been measured. Prolonged electrolysis has been carried out at a cell voltage of 3 V and the resultant products have been analyzed by X-ray Diffraction to find out the reaction pathway through which TiO2 is reduced to titanium. The results indicate that the electrochemical reduction of TiO2 to titanium proceeds through a multi-step reduction process.
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