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Table 1 Heat of fusion, melting temperature, and onset temperature of NaNO 3 -KNO 3 (60:40) mixture and nanofluids obtained with different nanoparticles

From: Effect of nanoparticles on heat capacity of nanofluids based on molten salts as PCM for thermal energy storage

Material Nanoparticle concentration (wt.%) Heat of fusion (kJ/kg) Onset temperature (°C) Melting temperature (°C)
Base salt mixture - 110.01 219.88 232.01
Base salt + SiO2 0.5 109.20 219.48 230.20
  1.0 126.39 218.84 230.44
  1.5 114.40 219.47 231.80
Base salt + Al2O3 0.5 115.45 219.25 229.95
  1.0 127.11 219.25 229.33
  1.5 116.83 219.84 230.51
Base salt + TiO2 0.5 110.14 219.78 229.92
  1.0 115.26 219.89 230.80
  1.5 105.36 219.65 230.78
Base salt + SiO2-Al2O3 0.5 112.82 219.70 232.23
  1.0 127.24 209.32 223.89
  1.5 114.06 211.51 224.01