Electroextraction of samarium from Sm2O3 in chloride melts
文献类型：期刊论文
| 作者 | Liu K(刘奎); Liu YL(刘雅兰); Yuan LY(袁立永) ; Liu, K; Liu, YL; Yuan, LY; He, H; Yang, ZY; Zhao, XL; Chai, ZF
|
| 刊名 | ELECTROCHIMICA ACTA
 |
| 出版日期 | 2014 |
| 卷号 | 129页码:401-409 |
| 关键词 | Sm2O3 LiCl-KCl Electroextraction Co-reduction Sm-Al alloy |
| 英文摘要 | This work firstly presents an electrochemical study of samarium extraction from Sm2O3 in the LiCl-KCl-AlCl3 melts. Gibbs energy calculation shows that AlCl3 can favorably chloridize Sm2O3 and release Sm3+ ions under this condition. The electrochemical behaviors of Al3+, Sm3+ and the mechanisms of alloy formation were investigated using a series of electrochemical techniques on a molybdenum electrode. Two typical signals corresponding to different kinds of Sm-Al alloys were observed in the cyclic voltammetry and square wave voltammetry. The transformation process from one AlxSmy biphasic phase to another was revealed by open circuit chronopotentiometry. The Sm-Al alloy samples were prepared by potentiostatic and galvanostatic electrolysis on an aluminium electrode. SEM-EDS and XRD analysis demonstrated that a layer of SmAl3 can be formed by potentiostatic electrolyses, whereas two kinds of intermetallic compounds of SmAl4 and SmAl3 can be formed by galvanostatic electrolysis. In addition, the electroextracti on of samarium by co-reduction with Al3+ on the aluminium electrode has been performed with extraction efficiency of 88.7% for potentiostatic electrolysis and 94% for galvanostatic electrolysis, respectively. (C) 2014 Elsevier Ltd. All rights reserved. |
| 学科主题 | Electrochemistry |
| 收录类别 | SCI |
| WOS记录号 | WOS:000336466100052 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/224993]  |
| 专题 | 高能物理研究所_院士 高能物理研究所_多学科研究中心 |
| 推荐引用方式 GB/T 7714 | Liu K,Liu YL,Yuan LY,et al. Electroextraction of samarium from Sm2O3 in chloride melts[J]. ELECTROCHIMICA ACTA,2014,129:401-409. |
| APA | 刘奎.,刘雅兰.,袁立永.,Liu, K.,Liu, YL.,...&石伟群.(2014).Electroextraction of samarium from Sm2O3 in chloride melts.ELECTROCHIMICA ACTA,129,401-409. |
| MLA | 刘奎,et al."Electroextraction of samarium from Sm2O3 in chloride melts".ELECTROCHIMICA ACTA 129(2014):401-409. |
入库方式： OAI收割
来源：高能物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。