Microstructure and thermal properties of a paraffin/expanded graphite phase-change composite for thermal storage
Microstructure and thermal properties of a paraffin/expanded graphite phase-change composite for thermal storage
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蓄热用石蜡/膨胀石墨相变复合材料的微观结构和热性能
DOI：
10.1016/j.renene.2010.11.028
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发表时间：
2011-05
期刊：
影响因子：
8.7
通讯作者：
Wang, Haiqing
中科院分区：
文献类型：
--
作者：
Zhao, Jianguo;Guo, Yong;Feng, Feng;Tong, Qinghua;Qv, Wenshan;Wang, Haiqing
制备了一种石蜡/膨胀石墨相变储热复合材料，并利用差示扫描量热法对其热性能进行了研究。石蜡均匀地吸附在膨胀石墨的多孔网络中。结果表明，相变温度不随石蜡含量的变化而变化，而相变潜热随石蜡含量的增加而增加。固液相变过程中无石蜡液渗出。
A paraffin/expanded graphite phase-change composite for thermal storage was prepared and its thermal properties were studied using differential scanning thermal calorimetry. The paraffin was uniformly absorbed in the porous network of the expanded graphite. Results showed that the phase-change temperature did not change with a change in the amount of paraffin present, whereas the latent heat of the phase change was increased with increasing paraffin content. There was no exudation of paraffin liquid during the solid–liquid phase change.
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