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Simple thermal decomposition reactions for storage of solar thermal energy
Authors:WE Wentworth  E Chen
Affiliation:Department of Chemistry and Solar Energy Laboratory, University of Houston, Houston, TX 77004, U.S.A.
Abstract:Simple thermal decomposition reactions have been investigated for the purpose of solar thermal energy storage. Ten criteria regarding the thermodynamics and kinetics of the reaction and the physical properties of the components of the reaction have been established. One particular reaction, the decomposition of ammonium hydrogen sulfate, has been evaluated in a preliminary manner and appears to satisfy all of the established criteria. The efficiency of storage is high and the decomposition occurs in the vicinity of 500°C. Other compounds such as ammonium halides, alkali and alkaline earth metal hydroxides, carbonates, sulfates and oxides have also been examined.
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