相变储能材料具有储热密度大、价格低廉、对环境友好的优点,受到学者的广泛关注。然而,相变材料在使用过程中存在着易泄漏和低热导率的缺点,严重制约了其发展和应用。定形相变储能材料以支撑材料为基体,将相变材料分布在基体材料中,有效地解决了材料的泄漏问题,此外某些基体材料的加入会提高定形材料的热导率。介绍了定形相变储能材料的制备方法,简述了含有不同基体的定形相变材料的研究现状,总结了定形相变储能材料提高热导率的方法,并对定形相变储能材料未来的研究发展方向进行了展望。
Phase change material(PCM) has been widely concerned due to its high phase change latent heat,low price,and environmental friendliness.However,the disadvantages of lower thermal conductivity and easy leakage have become the main obstacles restricting its development and application.Shape-stabilized PCM use the support material as the matrix and distribute the PCM in the matrix material,which effectively solves the leakage problem of the material.In addition,the addition of some matrix materials can improve the thermal conductivity of the materials.Firstly,the preparation method of the materials was introduced.Then,the research status of the materials containing different substrates was reviewed,and summarized the methods to improve the thermal conductivity of the materials.Finally,the future development direction of the materials was summarized.
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基金资助
内蒙古自治区科技创新引导奖励资金项目(KCBJ2018031)
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