Closer to a heat battery: Understanding the atomistic processes

Salts are cheap and sustainable materials that can be used to store energy (heat) over periods ranging from hours to years without loss. This works via so-called hydration-dehydration processes. Energy release (discharge) occurs when a salt incorporates water molecules in its crystal structure (hydration). Energy is stored in the reverse process (dehydration), when water molecules are driven out of the crystal lattice with help of available heat. Power input and output are important characteristics of an energy storage device. Therefore, the kinetics of the hydration and dehydration process needs to be understood.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/30sFmQ3

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