| STUDY OF ANODIC OVERVOLTAGE IN NEODYMIUM ELECTROLYSIS |
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| 作者姓名： | K.R. Liu J.S. Chen Q. Han and X.J. Wei
School of Materials and Metallurgy Northeastern University Shenyang China |
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| 作者单位： | K.R. Liu，J.S. Chen，Q. Han and X.J. Wei
School of Materials and Metallurgy，Northeastern University，Shenyang 110004，China |
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| 摘 要： | The anodic overvoltage of neodymium electrolysis was determined by slow scanning oscillograrn. The effects of some factors, i.e. the temperature, the anodic current density, the concentration of Nd2O3 and the components of the electrolyte were investigated and the approaches to decrease the anodic overvoltage were also discussed. The results show that the anodic overvoltage increases with the anodic current density and decreases with the increasing temperature. The linear relation between the anodic overvoltage and the current density corresponding to Tafel equation is determined to some extent. The anodic overvoltage decreases with the increasing concentrations of LiF and NdF3. It also decreases by controlling the anodic current density properly, increasing the temperature or the concentrations of LiF and NdF3 and the reducing polar distance.
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STUDY OF ANODIC OVERVOLTAGE IN NEODYMIUM ELECTROLYSIS |
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| K.R. Liu,J.S. Chen,Q. Han and X.J. Wei
School of Materials and Metallurgy,Northeastern University,Shenyang ,China.STUDY OF ANODIC OVERVOLTAGE IN NEODYMIUM ELECTROLYSIS[J].Acta Metallurgica Sinica(English Letters),2003,16(5):355-359. |
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| Authors: | KRLiu JSChen QHan XJWei |
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| Affiliation: | School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China |
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| Abstract: | The anodic overvoltage of neodymium electrolysis was determined by slow scanning oscillograrn. The effects of some factors, i.e. the temperature, the anodic current density, the concentration of Nd2O3 and the components of the electrolyte were investigated and the approaches to decrease the anodic overvoltage were also discussed. The results show that the anodic overvoltage increases with the anodic current density and decreases with the increasing temperature. The linear relation between the anodic overvoltage and the current density corresponding to Tafel equation is determined to some extent. The anodic overvoltage decreases with the increasing concentrations of LiF and NdF3. It also decreases by controlling the anodic current density properly, increasing the temperature or the concentrations of LiF and NdF3 and the reducing polar distance. |
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| Keywords: | neodymium electrolysis anodic overvoltage deposition voltage fluoride |
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