DETERMINATION OF CHLORIDE-ION DIFFUSION-COEFFICIENTS FOR ZINC DISSOLUTION IN A LOW-TEMPERATURE MOLTEN-SALT

被引：5
|
作者：
SIMONSEN, LR
DONAHUE, FM
机构：
[1] Chemical Engineering Department, The University of Michigan, Ann Arbor
来源：
ELECTROCHIMICA ACTA | 1990年 / 35卷 / 01期
关键词：
D O I：
10.1016/0013-4686(90)85042-L
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The transport properties and stoichiometry of the zinc dissolution process in mixtures of aluminum chloride and 1-methyl-3-ethylimidazolium chloride were studied. A new mass transfer correlation for rotating cylinder electrodes was found for these high Schmidt number electrolytes. Two limiting current regions were observed during the dissolution process which corresponded to a coordination number of four at low overpotentials and a coordination number of three at high overpotentials. The quantity Dμ/T was calculated to be 3.5 × 10-10, which corresponds to a chloride ion radius of 2.1 × 10-8 cm. © 1990.
引用
收藏
页码：89 / 92
页数：4
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