三水合醋酸钠的相变贮热性能  

Phase Change Property of Sodium Acetate Trihydrate as Heat Storage Material

作　　者：郎雪梅[1] 叶菊招[1] 

机构地区：[1]华南理工大学化学工程研究所,广州510640

出　　处：《材料开发与应用》2003年第1期4-7,15,共5页Development and Application of Materials

摘　　要：以三水合醋酸钠 (CH3COONa·3H2 O)为贮热基质 ,评选和优化成核剂和抗沉淀剂 ,组成贮热介质工作温度约 60℃和过冷度小于 5℃的贮热材料。经DSC法测定和计算 ,该贮热材料的熔解热可达 2 5 2J g ,潜热大 ,贮热性能稳定。A heat storage material with phase change temperature 60℃ and supercooling temperature less than 5℃ is developed. The material is composed of sodium acetate trihydrate, nucleators and suspension mediums. The fusion heat of the material is 252J/g measured by DSC and the property of heat storage is stable.

关 键 词：三水合醋酸钠 相变贮热性能 成核剂 抗沉淀剂 贮热材料 

分 类 号：TK02[动力工程及工程热物理] TB34[一般工业技术—材料科学与工程]