Table 1

Properties of some MGA thermal storage materials [15].b

Type (active phase-matrix) Melting temperature of active phase (°C) Thermal conductivity (W/m K) Energy density (MJ/L)a
Sn 50%-Al 230 120 0.43
Zn 50%-C 420 70 0.65
Mg 50%-Fe 650 100 0.58
Cu 50%-Fe 1085 200 1.2
Si 50%-SiC 1410 75 2.5

All values include 100 °C of sensible heat capacity.


A convenient graphical method of displaying the thermal properties of MGA was pioneered in earlier work and may be consulted for further comparison with other storage materials [14].

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