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题名:
Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3
作者: Tian, LF; Huang, W; Jiang, F; Zheng, HY; Zhu, TJ; She, CF; Wang, XB; Long, DW; Gong, Y; Wu, GZ; Li, QN
刊名: ELECTROCHIMICA ACTA
出版日期: 2017
卷号: 225, 页码:392-398
关键词: FLiNaK ; graphite anode ; electrolysis ; current density ; anode potential
DOI: 10.1016/j.electacta.2016.12.165
文章类型: 期刊论文
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000393502500042
ISSN号: 0013-4686
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27308
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Tian, LF,Huang, W,Jiang, F,et al. Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3[J]. ELECTROCHIMICA ACTA,2017-01-01,225:392-398.
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文件名: Electrochemical Behavior of Graphite Anode in LiF-NaF-KF Eutectic with YF3.pdf
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