The impact of active and passive thermal management on the energy storage efficiency of metal hydride pairs based heat storage
Abstract
Two-tank metal hydride pairs have gained tremendous interest in thermal energy storage
systems for concentrating solar power plants or industrial waste heat recovery. Generally, the
system’s performance depends on selecting and matching the metal hydride pairs and the thermal
management adopted. In this study, the 2D mathematical modeling used to investigate the heat
storage system’s performance under different thermal management techniques, including active
and passive heat transfer techniques, is analyzed and discussed in detail. The change in the energy
storage density, the specific power output, and the energy storage efficiency is studied under different
heat transfer measures applied to the two tanks.
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