Water Sorption of CaCl2-Containing Materials as Heat Storage Media

The water sorption behavior of CaCl2-containing materials as heat transfer media was studied. Amount of the water sorption on CaCl2-containing materials was higher than those on the zeolites at the higher humidity region. Heat storage capacity of 33 wt % CaCl2/FSM16 (1200 MJ m^-3) was 3.5 times as high as Na form Y-zeolite at 18.7 Torr of water vapor.