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Hydrated salt phase change materialsPhase change materials (PCM) have advantages of adjustable phase change temperature, and high phase change latent heat, which is very suitable for making phase change cold compress materials. In this work, phase change cold storage materialsCold storage material (CSMs) were prepared by selecting NaSO4·10H2O as PCM, borax as nucleating agent, PAAS as thickener. Additionally, NH4Cl and KCl were chosen as temperature control agents due to its hydration effect of ions. The phase change CSM with the optimized performancePerformance regulation was obtained by adjusting the proportion of different functional additives. In addition, the supercooling, phase separation, phase change behavior, and thermal stability of CSMs were investigated. It found that hydrated salt CSMs have great application prospects in cold storage preservation and cold compress field.

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Na2SO4·10H2O Phase Change Cold Storage Material: Composition Optimization and Performance Regulation

  • 会议论文

  • 发表日期：

    2025年

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  • Qirui Wang,
  • Hongen Nian,
  • Xiaoling Tan,
  • Xiang Wang,
  • Yujing Zhao,
  • Zhaoying Wang

摘要

Hydrated salt phase change materialsPhase change materials (PCM) have advantages of adjustable phase change temperature, and high phase change latent heat, which is very suitable for making phase change cold compress materials. In this work, phase change cold storage materialsCold storage material (CSMs) were prepared by selecting NaSO4·10H2O as PCM, borax as nucleating agent, PAAS as thickener. Additionally, NH4Cl and KCl were chosen as temperature control agents due to its hydration effect of ions. The phase change CSM with the optimized performancePerformance regulation was obtained by adjusting the proportion of different functional additives. In addition, the supercooling, phase separation, phase change behavior, and thermal stability of CSMs were investigated. It found that hydrated salt CSMs have great application prospects in cold storage preservation and cold compress field.