In Situ Electrochemical Processing of Light-Weight Alloys: Anodic Overvoltage Measurement

机译：轻质合金的原位电化学处理：阳极过电压测量

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The anodic overvoltage on graphite anode during electrolysis of Li_2CO_3 in LiF-CaF_2 melts at 1093 K was measured. A steady state current voltage method was used. The experimental results plotted with anodic overvoltage as a function of log current density, showed a straight line relationship given as η = 4.17 + 1.38 log i. A two electron controlled charge transfer reaction between the complex oxyfluoride and graphite anode is proposed. The limiting current density in the melt is determined to be 0.011 A/cm~2. The data generated by this study will be utilized in the process development for the molten salt electrolysis of Al-Li alloys.

机译：测量了LiF-CaF_2熔体中Li_2CO_3电解时在1093 K下石墨阳极上的阳极过电压。使用稳态电流电压法。阳极过电压作为对数电流密度的函数绘制的实验结果表明，直线关系为η= 4.17 + 1.38 log i。提出了氟氧化物与石墨阳极之间的两电子控制的电荷转移反应。熔体中的极限电流密度确定为0.011A / cm〜2。这项研究产生的数据将用于Al-Li合金熔融盐电解的工艺开发中。

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《Proceedings of the 1996 NSF design and manufacturing grantees conference》|1996年|427-428|共2页
会议地点 Albuquerque NM(US)
作者
R.G. Reddy; P.T. Velu;
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University of Nevada, Reno;

University of Nevada, Reno;

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原文格式 PDF
正文语种 eng
中图分类工业通用技术与设备;工业企业组织与管理;
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In Situ Electrochemical Processing of Light-Weight Alloys: Anodic Overvoltage Measurement

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