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Consolidated water sorbents with varying densities were prepared by adding expanded graphite treated with sulphuric acid to activated carbon-lithium chloride composites for use as a lab-scale prototype for thermal energy storage. The sorption reactor prototype that was designed was unable to reach the 1 kWh heat storage target. Further research will be done with the goal of developing a 15 kWh reactor which would be capable of meeting the heating demand of ...
A new composite phase change material for cold thermal energy storage applications is described in this paper. The authors combined dodecane into hydrophobic fumed silica to create a form stable PCM. Physical characteristics were studied using scanning through electron micrographs and Fourier transformation infrared. A thermal analyzer was used to measure the thermal conductivity of the composite, which was a desired low value needed for this type of application. An ...
This paper focuses on the creation of a new composite phase change material, paraffin-silica (SiO2)/graphene oxide (GO) through a two step process for potential use as a heat transfer fluid in direct absorption solar collectors. The resulting composite is composed of spherical capsules, and has the GO embedded within the SiO2 shell. Thermal conductivity testing with the TPS instrument revealed that the composites had excellent thermal characteristics and stability. ...
