Sensible heat storage involves storing thermal energy by altering the temperature of the storage medium. In a latent heat storage system, heat is released or absorbed during phase changes within the storage medium.
In sensible heat, energy is stored by raising the temperature of a medium. The amount of energy stored is proportional to the physical properties of the storage material, including density, volume, specific heat, and temperature change of the storage material .
Desirable features of sensible storage materials include large densities, (kg/m3), large specific heats, cp (J/kg-K), and large temperature differences between the hot and cold states, TH – TC (K). Key advantages include a low cost of sensible storage materials, high maturity level, and large energy capacities.
Meanwhile, in many cases, industry has relatively steady heat demand over the day; storage would thus play only a small role in meeting demand peaks.
In the present chapter, the materials selection methodology is introduced to proceed for an optimal material selection for a certain application in thermal energy storage systems.
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High-temperature technologies can be used for short- or long-term storage, similar to low-temperature technologies, and they can also be categorised as sensible, latent and thermochemical storage of
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