石蜡是一种具有高相变潜热、化学惰性强且相变温度适宜的有机相变材料,但存在导热性能差且易泄漏等问题,因而在高热传导领域的应用受到限制。通过将石蜡与多孔介质复合、添加高导热材料以及微胶囊化等办法可以改善石蜡基相变材料的导热性能。综述了改善石蜡基相变材料导热性能的方法并讨论了各种方法的优缺点,最后展望了石蜡基相变材料未来的研究方向。
Paraffin is an organic phase change material characterized by high latent heat,strong chemical inertness,and an appropriate phase change temperature.However,it faces problems such as poor thermal conductivity and susceptibility to leakage,which restrict its use in high thermal conductivity applications.The thermal conductivity of paraffin-based phase change materials can be improved by methods such as combining paraffin with porous media,adding high-conductivity materials,and microencapsulation.This paper reviewed the methods for improving the thermal conductivity of paraffin-based phase change materials,discussed their advantages and disadvantages,and finally looked ahead to the future research directions of paraffin-based phase change materials.
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基金资助
江苏省青蓝工程(SCZ1908200013)
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