Sungjune Sohn , Jaeyeong Park , Pyeong-Hwa Kim , Il Soon Hwang
{"title":"Cyclic Voltammetry on CeCl3 in LiCl-KCl Eutectic Using W and Bi Coated Electrode","authors":"Sungjune Sohn , Jaeyeong Park , Pyeong-Hwa Kim , Il Soon Hwang","doi":"10.1016/j.proche.2016.10.056","DOIUrl":null,"url":null,"abstract":"<div><p>This paper presents experimental results of cyclic voltammetry on CeCl<sub>3</sub> in LiCl-KCl using tungsten electrode and Bi coated electrode respectively at 703K. Using tungsten electrode at low concentration of CeCl<sub>3</sub>, the redox reaction has been shown to be reversible. Diffusion coefficient and apparent standard potential of Ce(III) in LiCl-KCl were 0.42×10<sup>-5</sup> (cm<sup>2</sup>/s) and -3.153 (V vs. Cl<sub>2</sub>/Cl<sup>−</sup>) under 50mV/s. In order to obtain Bi coated electrode, cyclic voltammetry was carried out on eutectic salt including BiCl<sub>3</sub>. The redox reaction of Ce on Bi coated electrode has been shown to be reversible and apparent standard potential on Bi coated electrode moved 782mV compared with tungsten cathode.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.10.056","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Procedia Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1876619616300985","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
This paper presents experimental results of cyclic voltammetry on CeCl3 in LiCl-KCl using tungsten electrode and Bi coated electrode respectively at 703K. Using tungsten electrode at low concentration of CeCl3, the redox reaction has been shown to be reversible. Diffusion coefficient and apparent standard potential of Ce(III) in LiCl-KCl were 0.42×10-5 (cm2/s) and -3.153 (V vs. Cl2/Cl−) under 50mV/s. In order to obtain Bi coated electrode, cyclic voltammetry was carried out on eutectic salt including BiCl3. The redox reaction of Ce on Bi coated electrode has been shown to be reversible and apparent standard potential on Bi coated electrode moved 782mV compared with tungsten cathode.
本文介绍了在703K下，用钨电极和铋包覆电极对LiCl-KCl中的CeCl3进行循环伏安法测定的实验结果。在低浓度CeCl3下，钨电极的氧化还原反应是可逆的。在50mV/s下，Ce(III)在LiCl-KCl中的扩散系数和表观标准电位分别为0.42×10-5 (cm2/s)和-3.153 (V vs. Cl2/Cl−)。为了得到铋包覆电极，对含有BiCl3的共晶盐进行了循环伏安法。结果表明，Ce在铋包覆电极上的氧化还原反应是可逆的，与钨阴极相比，铋包覆电极上的表观标准电位移动了782mV。
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