| Electrical conductivity of Na3AlF6-AlF3-Al2O3-CaF2-LiF（NaCl） system electrolyte |
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| 引用本文： | 阚洪敏,王兆文,班允刚,石忠宁,邱竹贤.Electrical conductivity of Na3AlF6-AlF3-Al2O3-CaF2-LiF（NaCl） system electrolyte[J].中国有色金属学会会刊,2007,17(1):181-186. |
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| 作者姓名： | 阚洪敏 王兆文 班允刚 石忠宁 邱竹贤 |
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| 作者单位： | School of Materials and Metallurgy Northeastern University，School of Materials and Metallurgy，Northeastern University，School of Materials and Metallurgy，Northeastern University，School of Materials and Metallurgy，Northeastern University，School of Materials and Metallurgy，Northeastern University，Shenyang 110004，China，Shenyang 110004，China，Shenyang 110004，China，Shenyang 110004，China，Shenyang 110004，China |
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| 摘 要： | A PGSTAT 30 and a BOOSTER 20A were used to measure cell impedance.Electrical conductivity was gained by the Continuously Varying Cell Constant Technique.Electrical conductivity of KCl was measured for comparison.The results prove that the method is reliable and accurate.The electrical conductivity of Na3AlF6-AlF3-Al2O3-CaF2-LiF(NaCl)system was studied by this method.Activation energy of conductance was obtained based on the experiment results.The experiments show that electrical conductivity is increased greatly with NaCl and LiF added.Increasing 1%LiF(mass fraction)results in corresponding increase of 0.0276 S/cm for superheat condition of 15℃.For NaCl,it is 0.024 S/cm.Electrical conductivity is increased by 0.003 S/cm with 1℃temperature increase.The electrical conductivity is lower than that predicted by the WANG Model and higher than that predicted by the Choudhary Model.
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| 关 键 词： | 电解质 导电性 过热性 熔化工艺 |
| 收稿时间： | 2006-07-22 |
| 修稿时间： | 2006-11-26 |
Electrical conductivity of Na3AlF6-AlF3-Al2O3-CaF2-LiF(NaCl) system electrolyte |
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| KAN Hong-min,WANG Zhao-wen,BAN Yun-gang,SHI Zhong-ning,QIU Zhu-xian.Electrical conductivity of Na3AlF6-AlF3-Al2O3-CaF2-LiF(NaCl) system electrolyte[J].Transactions of Nonferrous Metals Society of China,2007,17(1):181-186. |
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| Authors: | KAN Hong-min WANG Zhao-wen BAN Yun-gang SHI Zhong-ning QIU Zhu-xian |
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| Affiliation: | School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China |
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| Abstract: | A PGSTAT 30 and a BOOSTER 20A were used to measure cell impedance. Electrical conductivity was gained by the Continuously Varying Cell Constant Technique. Electrical conductivity of KCl was measured for comparison. The results prove that the method is reliable and accurate. The electrical conductivity of Na3AIF6-AIF3-Al2O3-CaF2-LiF(NaCl) system was studied by this method. Activation energy of conductance was obtained based on the experiment results. The experiments show that electrical conductivity is increased greatly with NaCl and LiF added. Increasing 1%LiF(mass fraction) results in corresponding increase of 0.0276 S/cm for superheat condition of 15 °C. For NaCl, it is 0.024 S/cm. Electrical conductivity is increased by 0.003 S/cm with 1 °C temperature increase. The electrical conductivity is lower than that predicted by the WANG Model and higher than that predicted by the Choudhary Model. |
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| Keywords: | electrical conductivity aluminium electrolyte additive superheat activation energy of conductance |
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