太阳能中温相变储热材料的研究进展与展望  

Review on the Medium-temperature Phase Change Materials Used for Solar Energy Thermal Storage

作　　者：吴建锋[1] 宋谋胜[1,2] 徐晓虹[1] 成昊[1] 饶郑刚[1] 

机构地区：[1]武汉理工大学硅酸盐建筑材料国家重点实验室,武汉430070 [2]铜仁学院物理与电子工程学院,铜仁554300

出　　处：《材料导报》2014年第17期1-9,29,共10页Materials Reports

基　　金：国家"973"资助项目(2010CB227105);贵州省自然科学技术联合基金项目(LKT[2012]14)

摘　　要：采用相变储热材料（PCMs）的潜热储蓄技术是最有效的热能贮存方式之一,它被广泛地应用在太阳能热利用、工业余热回收、建筑节能等领域.综述了当前国内外相变储热材料的最新研究进展,介绍了储热技术及材料的分类、选择、性能及其应用.重点论述了100～450℃温度范围内中温相变储热材料的分类、制备和应用.最后展望了开发新型中温相变储热材料的努力方向和发展前景,提出开发高性能微/纳复合结构储热材料是未来研究的重点.Latent heat storage systems,using phase change materials （PCMs）,is one of effective ways to store thermal energy,which is widely applied in the areas of solar industrial process heat supply,heat recovery in industrial batch processes and energy-saving in buildings.Previous research advances on the available phase change heat storage materials are reviewed,and the classification,choice,properties and applications on thermal storage techniques and materials are also presented.Especially,the problem of the classification,preparation route and application of medium-temperature PCMs in 100-450 ℃ temperature range is emphatically considered.An insight of the coming efforts to develop new classes of medium-temperature PCMs is provided,and its corresponding prospective applications and developments are anticipated.A favorable proposal on developing the well properties micro/nano-structured composite PCMs in future work is presented.

关 键 词：储热 中温 相变材料 

分 类 号：TK02[动力工程及工程热物理]