Preparation and Characterization of Eicosane-Paraffin/ Expanded Graphite/ Polyurethane As Form-Stable Composite Phase Change Materials with Wide Phase Change Temperature Range
Materials letters(2024)
摘要
Phase change materials (PCMs) with wide phase change temperature range, high latent heat, good thermal conductivity, and shape stability are essential for applications such as solar energy conservation and thermal management of electronic devices. Form -stable composite PCMs (FSCPCMs) with a broad phase change temperature range of 18 - 65 degrees C were successfully developed by using a mixture of eicosane and paraffin mixture along with cross -linking polyurethane as PCM, expanded graphite as thermally conductive filler and supporting material. The prepared FSCPCMs demonstrated excellent thermal stability and thermal conductivity with a latent heat up to 142.5 J/g. In conclusion, the synthesized FSCPCMs exhibit promising potential for practical applications in thermal energy storage.
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关键词
Phase change materials,Wide phase change temperature,Form stability,Energy storage and conversion,Thermal properties
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