THERMAL ENERGY STORAGE SYSTEMS INCLUDING ANISOTROPIC THERMAL CONDUCTIVE CARBON FIBERS FOR ENHANCING THERMAL EFFICIENCY OF PHASE CHANGE MATERIALS
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United States of America
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Apr 3, 2025
app pub date -
Sep 11, 2024
filing date -
Sep 11, 2024
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A thermal energy storage composition is provided. The composition includes a phase change material and a plurality of long, anisotropic thermal conductive carbon fibers mixed with the phase change material. The anisotropic thermal conductive carbon fibers enhance heat transfer and accelerate phase change of the phase change material to increase the thermal storage efficiency of the composition. The anisotropic thermal conductive carbon fibers may be present in an amount of up to 5% by weight, and may have a length in the range of 1 to 10 cm. The anisotropic thermal conductive carbon fibers also may have a greater thermal conductivity in an axial direction relative to a thermal conductivity in a radial direction. A thermal energy storage system including the thermal energy storage composition and a method of heat management in a thermal energy storage system are also provided.
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