Gd2O3 Doped UO2(s) Corrosion in the Presence of Silicate and Calcium under Alkaline Conditions
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterisation of the Gd2O3 Doped UO2 Pellets
2.2. Cyclic Voltammetry
2.3. Potentiostatic Oxidation
2.4. Cathodic Stripping Voltammetry
2.5. Corrosion Potential
3. Materials and Methods
3.1. Electrode Preparation
3.2. Electrochemical Cell and Equipment
3.3. Electrochemical Techniques
3.4. Solution
3.5. XPS Analysis
3.6. SEM Measurements
3.7. X-ray Diffraction (XRD)
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | UIV(%) | UV(%) | UVI(%) |
---|---|---|---|
UO2 | 8 ± 5 | 26 ± 5 | 66 ± 5 |
UO2—5 wt.% Gd2O3 | 7 ± 5 | 35 ± 5 | 58 ± 5 |
UO2—10 wt.% Gd2O3 | 15 ± 5 | 62 ± 5 | 23 ± 5 |
Sample | UIV(%) | UV(%) | UVI(%) |
---|---|---|---|
UO2 | 38 ± 5 | 48 ± 5 | 14 ± 5 |
UO2—5 wt.% Gd2O3 | 49 ± 5 | 47 ± 5 | 4 ± 5 |
UO2—10 wt.% Gd2O3 | 87 ± 5 | 13 ± 5 | 0 ± 5 |
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García-Gómez, S.; Giménez, J.; Casas, I.; Llorca, J.; De Pablo, J. Gd2O3 Doped UO2(s) Corrosion in the Presence of Silicate and Calcium under Alkaline Conditions. Inorganics 2023, 11, 469. https://doi.org/10.3390/inorganics11120469
García-Gómez S, Giménez J, Casas I, Llorca J, De Pablo J. Gd2O3 Doped UO2(s) Corrosion in the Presence of Silicate and Calcium under Alkaline Conditions. Inorganics. 2023; 11(12):469. https://doi.org/10.3390/inorganics11120469
Chicago/Turabian StyleGarcía-Gómez, Sonia, Javier Giménez, Ignasi Casas, Jordi Llorca, and Joan De Pablo. 2023. "Gd2O3 Doped UO2(s) Corrosion in the Presence of Silicate and Calcium under Alkaline Conditions" Inorganics 11, no. 12: 469. https://doi.org/10.3390/inorganics11120469