Condition dependence of Zr electrochemical reactions and morphological evolution of Zr deposits in molten salt

doi:10.1007/s11426-016-0321-x

	Condition dependence of Zr electrochemical reactions and morphological evolution of Zr deposits in molten salt
	Liu, YL; Pang, JW; Yuan, LY; Wang, L; Shi, WQ; Chai, ZF; Liu K(刘奎); Liu YL(刘雅兰); Pang JW(庞敬雯); Yuan LY(袁立永)
刊名	SCIENCE CHINA-CHEMISTRY中国科学. 化学
	2017
卷号	60 期号:2 页码:264-274
关键词	zirconium electrochemistry influence factor LiCl-KCl pyroprocessing
ISSN号	1674-7291
DOI	10.1007/s11426-016-0321-x
文献子类	Article
英文摘要	This work presents a comprehensive study for the electrochemical behaviors of zirconium in LiCl-KCl eutectic. The effects of stirring, temperature and Zr concentration on the electrode reactions, the ZrCl4 sublimation from the melt, microcosmic morphologies of Zr deposits (ZrCl and Zr) obtained at different potential and temperature have been investigated. The behaviors of Zr(IV), on a large concentration range from 0.13% to 2.28% in melt, show a multiple-step reaction involving Zr(IV), Zr(II), ZrCl and Zr species. Temperature plays a crucial role on the changes of Zr(IV) reduction behavior on the solid electrode. The Zr(IV)/ZrCl couple is more easily observed at lower temperature and gradually diminishes with the increase of temperature. The Zr(IV)/Zr(II) and Zr(II)/Zr reactions are predominant on the W electrode at higher temperatures. At 673 K, a layered structure of insoluble ZrCl formed by potentiostatic electrolyses at 1.1 V was visualized by scanning electron microscopy-energy dispersive X-ray (SEM-EDS), while only Zr metal particles was observed at higher temperature than 773 K. An evolution of the Zr-based structure and size corresponding to the ZrCl and Zr metal based on different potentiostatic electrolysis was observed. The average particle size of the Zr metalparticles increases with the increase of temperature.
电子版国际标准刊号	1869-1870
WOS关键词	SOLID ALUMINUM CATHODES ; LICL-KCL ; ANODIC-DISSOLUTION ; ALLOY FUEL ; ZIRCONIUM ; ACTINIDES ; BEHAVIOR ; CHLORIDE ; ELECTROLYTE ; SEPARATION
WOS研究方向	Chemistry
语种	英语
CSCD记录号	CSCD:5917249
WOS记录号	WOS:000394038300014
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/284948]
专题	高能物理研究所_多学科研究中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Liu, YL,Pang, JW,Yuan, LY,et al. Condition dependence of Zr electrochemical reactions and morphological evolution of Zr deposits in molten salt[J]. SCIENCE CHINA-CHEMISTRY中国科学. 化学,2017,60(2):264-274.
APA	Liu, YL.,Pang, JW.,Yuan, LY.,Wang, L.,Shi, WQ.,...&Liu, K.(2017).Condition dependence of Zr electrochemical reactions and morphological evolution of Zr deposits in molten salt.SCIENCE CHINA-CHEMISTRY中国科学. 化学,60(2),264-274.
MLA	Liu, YL,et al."Condition dependence of Zr electrochemical reactions and morphological evolution of Zr deposits in molten salt".SCIENCE CHINA-CHEMISTRY中国科学. 化学 60.2(2017):264-274.