Metallic phase change material (PCM) for high temperature applications, selection, synthesis and characterisation
Résumé
High heat of fusion metal alloy phase-change materials (PCMs) within the 700-800°C temperature range are chosen for integration with ceramic refractories, forming the core component of a thermal energy storage (TES) unit. Applications targeted by this EU-HEATERNAL project are the steel, aluminium and ceramics industries. The selected PCMs, are a key component of a novel TES prototype consisting of a composite including metal alloy PCMs contained within ceramic refractory bricks. This innovation aims to enhance energy density by 350%, surpassing traditional ceramic bricks, and aims for rapid implementation by 2030. The project targets a 50kWh prototype (TRL5) and up-scaled storage system models connected to factories. This presentation delves into the phase change material selection process and criteria specific to the 700-800°C temperature range, highlighting the impact of synthesis and dendrite growth on latent heat measurements of Cu -Si based PCMs.
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