Tesis doctorales: TESEO

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Ministerio de Universidades - Gobierno de España

Título: HYBRID ORGANIC-INORGANIC MATERIALS WITH PHASE TRANSITIONS FOR SOLID-STATE COOLING AND SOLAR THERMAL ENERGY STORAGE
Autor: Salgado Beceiro, Jorge
Universidad: Universidad de A Coruña
Departamento: Química
Fecha de Lectura: 16/12/2021
Mención Europeo / Mención Internacional: Concedido
Programa de doctorado: Programa de Doctorado en Química Ambiental y Fundamental por la Universidad de A Coruña
Dirección:
- SÁNCHEZ ANDUJAR, MANUEL (DIRECTOR)
- CASTRO GARCÍA, SOCORRO (DIRECTOR)
Tribunal:
- SEÑARÍS RODRÍGUEZ, MARÍA ANTONIA (PRESIDENTE)
- STERN TAULATS, ENRIC (SECRETARIO)
- Walker, Julian (VOCAL)
Descriptores:
- PROCESOS DE REFRIGERACION
- ENERGIA SOLAR
- TRANSFERENCIA DE ENERGIA
- CONVERSION DE ENERGIA
Localización: REPOSITORIO BIBLIOTECA UNIVERSITARIA UNIVERSIDAD DE A CORUÑA
Marcador: https://www.educacion.gob.es/teseo/mostrarRef.do?ref=2103102Añadir a favoritos.
Resumen:
This Ph.D. Thesis is focused on the study of hybrid organic-inorganic materials with phase transitions for solid-state cooling and energy storage applications. Given the importance of substituting the dangerous, toxic and/or polluting compounds employed in such applications, this work is centered in the selection, design and synthesis of materials with organic and inorganic units that can provide high-energetic phase transitions and other functional properties, fundamental for energy systems such as solid-state cooling and energy storage. The chemical structure and functional properties (caloric, electric and magnetic) were studied to analyze the performance of the materials and contemplate innovative options given by the multi-sensitivity to different stimuli (temperature, pressure or electric field). As result of this research, the hybrid perovskite [(CH3)4N]Mn(N3)3 and the hybrid plastic crystals [(CH3)3(CH2Cl)N]FeCl4, [(CH3)3(CH2Cl)N]GaCl4 and [(CH3)3S]FeCl4 are reported as promising barocaloric materials for solid-state cooling. Furthermore, [(CH3)3(CH2Cl)N]GaCl4 and [(CH3)3S]FeCl4, which are new materials reported in this thesis, revealed very interesting caloric, electric and magnetic properties suitable for solar thermal energy storage applications and the possibility of combining them with electrical energy storage for multi-functional systems. The results here presented are an input to the development of sustainable and environmentally-friendly systems for the use and storage of energy.

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