Table 1 Experimental results of DSC for NEPCMs
From: Characteristics of phase-change materials containing oxide nano-additives for thermal storage
Samples | Additive concentration (wt.%) | Process | Phase-change temperature (°C) | Latent heat (kJ/kg) | |
|---|---|---|---|---|---|
T s | T p | ||||
Paraffin (P) | - | Charging | 54.00 | 60.74 | 199.4 |
Discharging | 60.64 | 58.68 | 194.5 | ||
P + Al2O3 | 1.0 | Charging | 53.51 | 61.18 | 197.9 |
Discharging | 61.51 | 58.68 | 191.2 | ||
2.0 | Charging | 53.61 | 61.17 | 194.6 | |
Discharging | 61.61 | 58.71 | 189.5 | ||
3.0 | Charging | 53.71 | 61.11 | 184.2 | |
Discharging | 61.54 | 58.52 | 179.9 | ||
P + TiO2 | 1.0 | Charging | 53.28 | 61.19 | 200.6 |
Discharging | 61.56 | 58.64 | 193.9 | ||
2.0 | Charging | 53.39 | 61.00 | 200.1 | |
Discharging | 61.51 | 58.77 | 194.0 | ||
3.0 | Charging | 53.54 | 61.00 | 198.7 | |
Discharging | 61.53 | 58.59 | 193.6 | ||
P + SiO2 | 1.0 | Charging | 55.50 | 61.1 | 185.6 |
Discharging | 61.64 | 58.15 | 180.0 | ||
2.0 | Charging | 56.62 | 62.18 | 180.4 | |
Discharging | 61.71 | 58.04 | 175.2 | ||
3.0 | Charging | 55.54 | 62.34 | 175.0 | |
Discharging | 61.66 | 57.92 | 168.7 | ||
P + ZnO | 1.0 | Charging | 55.75 | 60.69 | 187.4 |
Discharging | 61.58 | 58.38 | 182.2 | ||
2.0 | Charging | 55.01 | 61.31 | 184.7 | |
Discharging | 61.73 | 58.46 | 178.5 | ||
3.0 | Charging | 55.02 | 60.57 | 171.9 | |
Discharging | 61.69 | 58.65 | 167.5 | ||