Enhanced Specific Heat Capacity of Molten Salts Using Organic Nanoparticles
In this study we explore the material properties of carbonate salt eutectics that melt at high temperatures (exceeding 480 °C). These salt eutectics demonstrated anomalous enhancement in the specific heat capacity in both solid and liquid phases — when mixed with carious organic nanoparticles such as carbon nanotubes (CNT) and graphite nanoparticles. Theses experimental measurements are compared with previous reports in the literature for exploring the effect of the synthesis protocol on the resulting thermo-physical properties of these nanomaterials. The enhancement of the thermo-physical properties on mixing with nanoparticles is of significant interest in reducing the cost of thermal energy storage (TES) devices and systems. TES can be utilized for levelizing peaks in cyclical energy demands (or duties) that is typical of renewable energy applications where the input energy source may be intermittent (e.g., solar thermal); as well as in geothermal and nuclear energy applications.