Table 1
Types and properties of PCMs.
| Types of PCMs | Benefits | Limitations |
|---|---|---|
| Organic | i. Excellent freezing and melting properties ii. High latent heat storage iii. Low volume change iv. Inflammable v. Chemically Stable vi. Does not super cool vii. Non-corrosive viii. Non-toxic |
i. Very expensive ii. Large volume change |
| Inorganic | i. Cheap ii. Readily available iii. Non-flammable iv. High heat of fusion v. Good thermal conductivity |
i. High volume change ii. Supercooling iii. Degradation iv. Corrosive to most metals |
| Eutectics | i. High volume storage density ii. Sharp melting temperature |
i. Less explored |