Table 3.
Summary on thermal conductivities and the latent heat of TiO2 nano-PCMs
| Researchers | Composite | Thermal conductivity (W/m k) | Latent heat (kJ/kg) | ||
|---|---|---|---|---|---|
| Base PCM | Nano-PCM | Base PCM | Nano-PCM | ||
| Sharma et al. [106] | Palmitic acid/5% TiO2 | 0.194 | 0.35 | – | 180.03 |
| Harikrishnan et al. [107] | Stearic acid/0.3% TiO2 | 0.19 | 0.31 | 131 | 127 |
| Harikrishnan et al. [108] | (SA + LA)/1% TiO2 | 0.19 | 0.27 | 173.98 | 173.22 |
| Motahar et al. [109] | n-octadecane/5% TiO2 | 0.45 | 0.57 | – | – |
| Wang et al. [111] | Paraffin/0.7% TiO2 | 0.22 | 0.23 | 168 | 194 |
| Paraffin/7% TiO2 | 0.22 | 0.25 | 165 | 150 | |