An experimental study in full spectra of solar-driven magnesium nitrate hexahydrate/graphene composite phase change materials for solar thermal storage applications

Magnesium nitrate hexahydrate is a preferred material in building heat applications with a moderate temperature (89 °C), suitable latent heat (130~150 kJ·kg−1), and low cost (1000~2000 CNY/Ton). However, as the low heat source temperature in the engineering application (usually less than 150 °C), the temperature difference driving the phase transition of the phase change materials is small, resulting in the slower dynamic process of heat...