Metal-halide mixtures for latent heat energy storageAlkali metal and alkali halide mixtures are identified which may be suitable for thermal energy storage at temperatures above 600 C. The use of metal-halides is appropriate because of their tendency to form two immiscible melts with a density difference, which reduces scale formation and solidification on heat transfer surfaces. Also, the accumulation of phase change material along the melt interface is avoided by the self-dispersing characteristic of some metal-halides, in particular Sr-SrCl2, Ba-BaCl2, and Ba-BaBr2 mixtures. Further advantages lie in their high thermal conductivities, ability to cope with thermal shock, corrosion inhibition, and possibly higher energy densities.
Document ID
19820060822
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Chen, K. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Manvi, R. (California Institute of Technology, Jet Propulsion Laboratory, Pasadena CA, United States)