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Determination and Comparison of Parameters from Cyclic Voltammetry of LaCl3 in Eutectic LiCl-KCl

Journal Article · · Universal Journal of Electrochemistry
 [1];  [2];  [3];  [4];  [4]
  1. Idaho National Laboratory (INL), Idaho Falls, ID (United States); Center for Advanced Energy Studies, Idaho Falls, ID (United States)
  2. Boise State Univ., ID (United States); Center for Advanced Energy Studies, Idaho Falls, ID (United States)
  3. Virginia Commonwealth Univ., Richmond, VA (United States); Center for Advanced Energy Studies, Idaho Falls, ID (United States)
  4. Univ. of Utah, Salt Lake City, UT (United States); Center for Advanced Energy Studies, Idaho Falls, ID (United States)
+ Show Author Affiliations
Electrochemical measurements of LaCl3 were obtained in eutectic LiCl-KCl at 773 K. Cyclic voltammetry data were acquired using a tungsten electrode LaCl3 amounts in the molten salt in the range of 0.5 to 3.0 wt%. Both cyclic voltammetry and Tafel analyses of the data resulted in calculation of values for the charge transfer coefficient (0.262), diffusion coefficient (1.67 × 10-5 cm2 s-1), exchange current density (0.0148 to 0.0473 A cm-2), and charge transfer resistance (0.404 to 1.99 Ω) related to lanthanum ions in the molten salt. Calculated values were compared to those available in the literature. The values of parameters found in literature varied significantly in comparison to those in the present study due to dissimilar experimental conditions, e.g., electrode material, temperature, and LaCl3 concentration.
Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC07-05ID14517
OSTI ID:
1987824
Report Number(s):
INL/JOU--21-65278-Rev000
Journal Information:
Universal Journal of Electrochemistry, Journal Name: Universal Journal of Electrochemistry Journal Issue: 1 Vol. 1; ISSN 2972-4643
Publisher:
Universal Wiser Publisher Pte. Ltd.Copyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
diffusion coefficient
eutectic LiCl-KCl
exchange current density
lanthanum chloride