Published November 1, 2014 | Version v1
Journal article Metadata-only

Anomalous Influence of Electrochemically Inert ZrCl4 on UO2 Current Efficiency During Electrolysis in (NaCl-KCl)equim-UO2Cl2-ZrCl4 Melt

Creators

  • 1. Institute of High-Temperature Electrochemistry, Ural Branch of RAS, Akademicheskaya/Sofii Kovalevskoi st. 20/22, Ekaterinburg 620137 (Russian Federation)
  • 2. Ural Federal University, Mira st.19, Ekaterinburg 620002 (Russian Federation)

Description

This paper describes the influence of ZrCl4, which is electrochemically inert under experimental conditions, on uranium dioxide current efficiency during the (NaCl-KCl)equim-UO2Cl2 (10-20 wt.%)-ZrCl4 (0-12 wt.%) melt electrolysis at temperatures of 700 and 750 °C and at electrolysis current densities of 0.08-0.63 A/cm2. An extreme dependence of the uranium dioxide current efficiency on the ZrCl4 concentration and the corresponding minimum and maximum was found. The ZrCl4 influence on the UO2 current efficiency is assumed to be caused by the changes in the mechanism of UO22+ ion reduction to uranium dioxide

Availability note (English)

Available from http://dx.doi.org/10.1016/j.electacta.2014.08.013

Additional details

Identifiers

DOI
10.1016/j.electacta.2014.08.013;
PII
S0013-4686(14)01600-4;

Publishing Information

Journal Title
Electrochimica Acta
Journal Volume
145
Journal Page Range
p. 254-258
ISSN
0013-4686
CODEN
ELCAAV

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
47002511
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
CATHODES; CONCENTRATION RATIO; CURRENT DENSITY; ELECTROCHEMISTRY; ELECTROLYSIS; ELECTROLYTES; MOLTEN SALTS; POTASSIUM CHLORIDES; REDUCTION; SODIUM CHLORIDES; URANIUM DIOXIDE; URANYL CHLORIDES; ZIRCONIUM CHLORIDES; ZIRCONIUM OXIDES
Descriptors DEC
ACTINIDE COMPOUNDS; ALKALI METAL COMPOUNDS; CHALCOGENIDES; CHEMICAL REACTIONS; CHEMISTRY; CHLORIDES; CHLORINE COMPOUNDS; DIMENSIONLESS NUMBERS; ELECTRODES; HALIDES; HALOGEN COMPOUNDS; LYSIS; OXIDES; OXYGEN COMPOUNDS; POTASSIUM COMPOUNDS; POTASSIUM HALIDES; SALTS; SODIUM COMPOUNDS; SODIUM HALIDES; TRANSITION ELEMENT COMPOUNDS; URANIUM COMPOUNDS; URANIUM OXIDES; URANYL COMPOUNDS; URANYL HALIDES; ZIRCONIUM COMPOUNDS; ZIRCONIUM HALIDES

Optional Information

Copyright
Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.