A THERMAL SYSTEM FOR THERMAL ENERGY STORAGE

A thermal system for thermal energy storage, the thermal system comprising a storage medium for the thermal energy storage, a first and a second electrode for inducing an electric current in the storage medium, the storage medium being arranged between the first and second electrode, the storage medium comprising a thermal filler and an ionic compound. A method for casting such a storage medium from one or more plasters and a solution comprising a dissolved ionic compound such as salt.