Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3
Tian, LF; Huang, W; Jiang, F; Zheng, HY; Zhu, TJ; She, CF; Wang, XB; Long, DW; Gong, Y; Wu, GZ; Li, QN
2017
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号225页码:392-398
文章类型期刊论文
摘要The electrode reactions and electrolysis process of graphite anode were investigated in LiF-NaF-KF (FLiNaK, 46.5-11.5-42.0 mol%) eutectic with YF3 at 823 K. Two different types of reactions were observed on graphite anode. The graphite was oxidized to carbon mono-and dioxide in a potential range of 0-2 V (vs. Ni2+/Ni, similarly hereinafter), and carbon fluorides were generated when the potential fell into 6-8 V. In addition, some fluoride products could be reduced at about -0.22 V during reverse cyclic voltammetry scan, which has never been reported. Anode potential fluctuation was found between 6 and 8 V during galvanostatic electrolysis due to the formation of gaseous products as well as change of anode surface area and current density. Both Raman and X-ray photoelectron spectroscopy were employed to probe the chemical states of fluorination/oxidation products on graphite anode after electrolysis. The formation of fluorocarbon species is responsible for the disorder on graphite surface. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Flinak Graphite Anode Electrolysis Current Density Anode Potential
DOI10.1016/j.electacta.2016.12.165
收录类别SCI
语种英语
WOS记录号WOS:000393502500042
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27308
专题中科院上海应用物理研究所2011-2018年
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Tian, LF,Huang, W,Jiang, F,et al. Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3[J]. ELECTROCHIMICA ACTA,2017,225:392-398.
APA Tian, LF.,Huang, W.,Jiang, F.,Zheng, HY.,Zhu, TJ.,...&Li, QN.(2017).Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3.ELECTROCHIMICA ACTA,225,392-398.
MLA Tian, LF,et al."Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3".ELECTROCHIMICA ACTA 225(2017):392-398.
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