Table 1: Advantages and disadvantages of PCMs [7].

ClassificationAdvantageDisadvantage

Organic PCMs(1) Availability in a large temperature range
(2) High heat of fusion
(3) No supercooling
(4) Chemically stable and recyclable
(5) Good compatibility with other materials
(1) Low thermal conductivity
(2) Relative large volume change
(3) Flammability

Inorganic PCMs(1) High heat of fusion
(2) High thermal conductivity
(3) Low volume change
(4) Availability in low cost
(1) Supercooling
(2) Corrosion

Eutectics(1) Sharp melting temperature
(2) High volumetric thermal storage density
Lack of currently available test data of thermophysical properties