硅藻土基定形相变材料的制备及应用进展  

Review on preparation and application of diatomite-based shape-stabilized phase change materials

作　　者：李琳[1,2] 王宇 李东旭[3] 张凯 高立[1,2] Li Lin;Wang Yu;Li Dongxu;Zhang Kai;Gao Li(School of Architectural Engineering,Suqian College,Suqian 223800;Jiangsu Province Engineering Research Center of Prefabricated Building and Intelligent Construction,Suqian 223800;College of Material Science and Engineering,Nanjing Tech University,Nanjing 210009)

机构地区：[1]宿迁学院建筑工程学院,宿迁223800 [2]江苏省装配式建筑与智能建造工程研究中心,宿迁223800 [3]南京工业大学材料科学与工程学院,南京210009

出　　处：《化工新型材料》2024年第4期238-243,共6页New Chemical Materials

基　　金：国家自然科学基金(51872137);宿迁市科技计划(K202141);2021年宿迁市千名拔尖人才培养工程项目。

摘　　要：硅藻土是硅藻植物经过漫长的沉积成岩而形成的一种非金属矿物。硅藻土具有丰富微孔、耐高温、耐腐蚀性、价格低廉和资源丰富等优点,作为一种良好的吸附载体材料而受到广泛关注。介绍了硅藻土的结构特点并归纳了硅藻土常见的几种改性方法,综述了硅藻土基定形相变材料的种类及制备方法,总结了该材料在建筑领域的应用进展,分析了现阶段硅藻土基定形相变材料研究中存在的问题,并提出未来工作中需要关注的重点,以期为其规模化推广应用提供参考。Diatomite is a kind of non-metallic mineral formed by diatom plants through a long period of sedimentation and diagenesis.Diatomite can be used as a good adsorption carrier material and has been widely concerned because of its rich micropores,high temperature resistance,corrosion resistance,low price and abundant resources.The structural characteristics of diatomite was introduced,and the common modification methods of diatomite were summarized.The research status on the types and preparation methods of diatomite-based shape-stabilized phase change materials(SPCMs)was reviewed,and the application progress of diatomite-based SPCMs in the field of architecture was summarized.On this basis,in order to provide some references for the large-scale promotion of diatomite-based SPCMs,the problems existing in the current research stage were analyzed,and the key work of future research was proposed.

关 键 词：硅藻土 定形相变材料 改性 储热性能 

分 类 号：TB34[一般工业技术—材料科学与工程]