| 摘要 |
A hygroscopic salt apparatus, for example a heating system, comprises a combination of: - a heat storage medium comprising a hygroscopic salt; and - a material susceptible to come into contact with the hygroscopic salt. The combination is chosen to avoid undesirable levels of corrosion and is selected from the group consisting of: - an alkaline earth chloride arranged within a porous matrix and a material selected from the group consisting of: aluminium, bronze, nickel, copper and combination thereof; - an alkaline earth bromide arranged within a porous matrix and a material selected from the group consisting of: brass, stainless steel, steel, nickel, copper, zinc, aluminium and combination thereof; - an exposed alkaline earth chloride and a material selected from the group consisting of: brass, nickel, copper and combination thereof; - an exposed alkaline earth bromide and a material selected from the group consisting of: aluminium, brass, nickel and combination thereof. |
