Sorption storage and thermochemical reactions
The storage of heat

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Sorption storage and thermochemical reactions


The storage of heat

Author : Pierre ODRU

Publication date: April 10, 2017, Review date: October 1, 2020 | Lire en français

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6. Sorption storage and thermochemical reactions

Exploiting the heat available in a material in the form of sensible or latent heat generally requires considerable thermal insulation and is lost over time. There are other ways of storing heat without heat loss, using sorption systems or reversible thermochemical reactions.

6.1 General

A reversible thermochemical reaction is endothermic in one direction, exothermic in the other. Thermochemical storage involves using a reaction of this type to store heat (or cold) when heat is in excess, and restore it when needed. By separating and storing the reaction products independently, heat loss over time can be avoided, making this type of system particularly suitable for inter-seasonal storage of solar heat.

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