本文提出了研制一种具有多孔基体的复合相变储能材料,通过实验分析了该储能材料的融解温度、融解热、热稳定性及微相结构等性能.该储能材料是由两种有机相变材料组成,通过物理吸附的方法将其复合在多孔基体材料中.在热分析中,用示差扫描量热仪(DSC)来测定储能材料的融点、融解热,用热重分析仪(TGA)测定其热稳定性,并用扫描电镜(SEM)观测了该储能材料的微相结构.测试结果表明该储能材料具有较高的相变潜热和较好的热稳定性,可被应用于储能和热能回收系统中.
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