METHOD FOR ELECTRODEPOSITING METAL

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PROBLEM TO BE SOLVED : To provide a method for electrodepositing various metals including a refractory metal and a rare earth metal using a molten salt. SOLUTION : The method for electrodepositing a metal uses a molten salt of a quaternary ammonium halide expressed by the general formula (I) : Formula (I), (wherein R1, R2, R3and R4are each an alkyl group or a cycloalkyl group; and X represents a halide anion), and/or a molten salt of a pyrrolidinium halide expressed by the general formula (II) : Formula (II), (wherein R5and R6are each an alkyl group or an cycloalkyl group; and X represents a halide anion), at 100°C to 200°C. COPYRIGHT : (C)2007, JPO&INPIT