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Fabrication and Properties of n-Octadecane/Nano-MgO/Expanded Graphite as a Thermal Storage Material
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-07-19 , DOI: 10.1002/ceat.202200267 Yuchen Wei 1 , Wenze Wang 1 , Guiyin Fang 1
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-07-19 , DOI: 10.1002/ceat.202200267 Yuchen Wei 1 , Wenze Wang 1 , Guiyin Fang 1
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Composite thermal storage materials (CTSM) composed of n-octadecane, nano-MgO, and expanded graphite (EG) were fabricated. Fourier transform infrared spectroscopy and X-ray diffractometry results confirm that the CTSM components were combined in physical interaction. Scanning electronic microscopy images illustrate the CTSM microstructure. The differential scanning calorimetry results indicate that the melting temperature and latent heat of CTSM3 are 28.31 °C and 195.06 kJ kg−1, respectively, and the solidifying temperature and latent heat are 27.69 °C and 191.86 kJ kg−1, respectively Thermogravimetric analysis proves that CTSM3 has good thermal stability. The heat conductivity of CTSM3 is 3.59 times that of n-octadecane/nano-MgO. Thermal cycle experiments verify that the chemical structure of CTSM3 is stable.
中文翻译：
正十八烷/纳米氧化镁/膨胀石墨作为蓄热材料的制备和性能
制备了由正十八烷、纳米MgO和膨胀石墨(EG)组成的复合蓄热材料(CTSM) 。傅里叶变换红外光谱和 X 射线衍射结果证实 CTSM 组分在物理相互作用中结合。扫描电子显微镜图像说明了 CTSM 微观结构。差示扫描量热法结果表明，CTSM3的熔化温度和潜热分别为28.31 ℃和195.06 kJ kg -1，凝固温度和潜热分别为27.69 ℃和191.86 kJ kg -1热重分析证明CTSM3具有良好的热稳定性。CTSM3的导热系数是n的3.59倍-十八烷/纳米-MgO。热循环实验验证CTSM3的化学结构是稳定的。
更新日期：2022-07-19
中文翻译：
正十八烷/纳米氧化镁/膨胀石墨作为蓄热材料的制备和性能
制备了由正十八烷、纳米MgO和膨胀石墨(EG)组成的复合蓄热材料(CTSM) 。傅里叶变换红外光谱和 X 射线衍射结果证实 CTSM 组分在物理相互作用中结合。扫描电子显微镜图像说明了 CTSM 微观结构。差示扫描量热法结果表明，CTSM3的熔化温度和潜热分别为28.31 ℃和195.06 kJ kg -1，凝固温度和潜热分别为27.69 ℃和191.86 kJ kg -1热重分析证明CTSM3具有良好的热稳定性。CTSM3的导热系数是n的3.59倍-十八烷/纳米-MgO。热循环实验验证CTSM3的化学结构是稳定的。
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