| 摘要 |
A thermal storage system for use with a solar collector and/or heat pump includes a plurality of discrete heat reservoirs having regular geometric shapes such as spheres or cylinders for forming a self-sorting array of the reservoirs when stacked in a storage bin. Each reservoir has a shell formed of heat conductive material defining an interior cavity that contains a material of high specific heat for storing heat in the reservoir. A preferred material for economy for reservoir shells in spherelike shapes is plastic with heat conductivity enhancers such as glass or metal particles incorporated into the plastic.
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