Abstract
A brief comparative analysis of the existing methods of electrolytic production of silicon is made. The advantages and disadvantages of the electrolytes used based on molten salts and organic solvents are noted. It is shown that the greatest attention is paid to the principal possibility of electrolytic production of silicon mainly from KCl — KF melts with K2SiF6 and SiO2 additives, as well as from CaCl2 — CaO melts with SiO2 and CaSiO3 additives. The results of electrodeposition from low fluoride systems based on chlorides with the addition of K2SiF6 are presented, and tasks for the further practically oriented development of silicon electrochemistry are listed.
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