Radial-like mesoporous silica sphere: A promising new candidate of supporting material for storage of low-, middle-, and high-temperature heat
作者： Tingting Qian , Jinhong Li , Xin Min , Yong Deng , Weimin Guan
DOI: 10.1016/J.ENERGY.2016.07.023
关键词: Chemical engineering 、 Sodium sulfate 、 Thermal energy storage 、 Thermal stability 、 Lithium nitrate 、 Mesoporous silica 、 Materials science 、 Phase-change material 、 Inorganic chemistry 、 Polyethylene glycol 、 Tetraethyl orthosilicate
摘要: Abstract In the study, polyethylene glycol (PEG), lithium nitrate (LiNO3), and sodium sulfate (Na2SO4) were employed as low-, middle-, high-temperature heat storage media, respectively. A series of novel shape-stabilized phase change materials tailored by a post-preparation method with previously synthesized radial-like mesoporous silica their structural thermal properties characterized. The was through facile self-assembly process using cetyltriethylammonium bromide main template tetraethyl orthosilicate precursor. obtained composites showed good shape stability high energy capacity. morphology structure investigated after combining different media. These exhibited excellent stability, chemical compatibility, reliability. efficient support has opened up some new application based on material/silica composites, such conversion for temperature requirements.
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