In situ neutron diffraction studies of operating MGA thermal storage materials | Renewable Energy and Environmental Sustainability

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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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