利用稻草的天然空心结构,吸附包裹相变石蜡制作成储能单元,然后采用树脂将储能单元粘结成型,得到树脂基稻草吸附石蜡储能单元定形相变材料.显微分析表明,石蜡与稻草空腔结合紧密,材料在储热过程相变石蜡与稻草无界面脱离现象;热失重分析表明,该定形相变材料在多次相变过程中热失重率小于0.3%,具有很好的热稳定性.
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