【摘要】 研究利用熔融盐Na2SO4的高潜热和陶瓷材料MgO的耐腐蚀等特性,采用粉末烧结工艺制备复合相变蓄热材料;对制备过程工艺参数进行初步研究,通过化学热力学分析、SEM-EDS、TG-DTA检测,对所制备材料的性能进行初步分析,这种新型复合材料兼备了固相显热蓄热材料和相变蓄热材料两者的长处,具备了快速蓄热、快速放热及蓄热密度高的性能。更多还原

【Abstract】 Using the high latent heat of maolten salt Na2SO4 and the corrosion resistance of ceramic material MgO,the composite phase-change material are prepared by powder sintering process,the parameter of preparation process are investigated,the performance of the product are investigated by chemical thermodynamies andyses and SEM-EDS,TG-DTA.The new material has combined the advantages of solid phase sensible heat storage materiad and phase-change material,have some performance such as fast heat storage rate,fast heat removing rate,big heat storage density and so on.更多还原