Critical Assessment of Migration Strategies for Corrosion in Molten Salts
2025
Pavón Moreno, María del Carmen | López-Paneque, Antonio Manuel | Gallardo Fuentes, José María | Paúl Escolano, Antonio | Díaz Gutiérrez, Eduardo | Prieto Ríos, Cristina | Ingeniería Energética | Ingeniería y Ciencia de los Materiales y del Transporte | Ministerio de Ciencia, Innovación y Universidades (MICIU). España
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Show more [+] Less [-]This review article examines the corrosion phenomena and mitigation strategies associated with molten salts used in thermal energy storage (TES) and heat transfer applications. Corrosion presents a critical challenge in concentrated solar power (CSP) plants and other high-temperature systems, affecting the durability and cost-efficiency of materials in storage tanks, heat exchangers, and piping. This study offers a comprehensive comparison of corrosion test methods and results, analyzing factors such as operating conditions, salt compositions, and material properties. Emphasis is also placed on strategies such as molten salt purification, the addition of corrosion inhibitors, and the application of protective coatings. This review aims to advance research and development in the TES sector by highlighting knowledge gaps and proposing directions for future experimentation.
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