Abstract

The electrodeposition of tungsten and molybdenum metals and their carbides from the halide-oxide melts at a temperature of 550°C is studied using cyclic voltammetry and potentiostatic and galvanostatic electrolyses. The conditions of concurrent electroreduction of fluoroxide complexes of tungsten and molybdenum with carbon dioxide and also with nickel and cobalt ions in the halide-oxide melts at 550°C are found. The optimal conditions for the production of tungsten and molybdenum metals, tungsten (molybdenum) carbides, and binary carbides of tungsten with nickel (cobalt) from the oxide-halide melts are determined.

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