The relations between conductivity and temperature of YCl3-LiClO4-DMSO system were measured. The cyclic voltammetry, chronoamperometry, chronopotentiometry and X-ray diffraction were used to investigate the electroche...The relations between conductivity and temperature of YCl3-LiClO4-DMSO system were measured. The cyclic voltammetry, chronoamperometry, chronopotentiometry and X-ray diffraction were used to investigate the electrochemical behavior of Y3+ in YCl3-LiClO4-DMSO system on Pt and Cu cathodes. Experimental results indicate that the electroreduction of Y3+ to Y is irreversible in one step. The Y metal was prepared by potentiostatic electrolysis on Cu electrode in YCl3-LiClO4-DMSO system. The deposits composed of Y over 97% (mass fraction) were obtained. The diffusion coefficient and electron transfer coefficient of Y3+ in YCl3-LiClO4-DMSO system at 298 K are 3.22 x 10(-6) cm(2).s(-1) and 0.22, respectively.展开更多
文摘The relations between conductivity and temperature of YCl3-LiClO4-DMSO system were measured. The cyclic voltammetry, chronoamperometry, chronopotentiometry and X-ray diffraction were used to investigate the electrochemical behavior of Y3+ in YCl3-LiClO4-DMSO system on Pt and Cu cathodes. Experimental results indicate that the electroreduction of Y3+ to Y is irreversible in one step. The Y metal was prepared by potentiostatic electrolysis on Cu electrode in YCl3-LiClO4-DMSO system. The deposits composed of Y over 97% (mass fraction) were obtained. The diffusion coefficient and electron transfer coefficient of Y3+ in YCl3-LiClO4-DMSO system at 298 K are 3.22 x 10(-6) cm(2).s(-1) and 0.22, respectively.