以改性膨润土为载体,以月挂酸和癸酸的二元混合酸为相变材料制备稳定的复合相变材料,再与石膏复合制备了石膏基相变储能材料,并研宄其蓄放热性能、强度和相变稳定性.结果表明,与改性膨润土复合前后,相变材料的相变温度保持不变,都处于22.0～30.1℃范围内;掺入40％(质量分数)复合相变材料的石膏基相变储能材料试体在蓄热和放热过程中的调漫幅度分别可达7.4℃和12.4℃;其抗压强度为3.0 MPa,且经过20次冷热循环后相变稳定性良好,基本能满足建筑材料的使用要求.
参考文献
| [1] | Phase change materials for building applications: A state-of-the-art review[J].Energy and buildings,2010(9):1361. |
| [2] | A. Pasupathy;R. Velraj;R.V. Seeniraj .Phase change material-based building architecture for thermal management in residential and commercial establishments[J].Renewable & sustainable energy reviews,2008(1):39-64. |
| [3] | Xu B W;Li Z J .Paraffin/diatomite composite phase change material incorporated cement-based composite for thermal energy storage[J].Applied Energy,2013,105:229. |
| [4] | Zhou D;Zhao C Y;Tian Y .Review on thermal energy storage with phase change materials (PCMs) in building application[J].Applied Energy,2012,92:593. |
| [5] | Zhang, H.;Xu, Q.;Zhao, Z.;Zhang, J.;Sun, Y.;Sun, L.;Xu, F.;Sawada, Y..Preparation and thermal performance of gypsum boards incorporated with microencapsulated phase change materials for thermal regulation[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2012:93-102. |
| [6] | Li M;Wu Z S;Tan J M .Heat storage properties of the cement mortar incorporated with composite phase change material[J].Applied Energy,2013,103:393. |
| [7] | Sharma A;Tyagi V V;Chen C R et al.Review on thermal energy storage with phase change materials and application[J].Renewable and Sustainable Energy Reviews,2009,13(02):318. |
| [8] | A review on phase change energy storage:Materials and applications[J].Energy Conversion and Management,2004,45(9-10):1597. |
| [9] | 王毅;夏天东;冯辉霞 .有机相变储热材料的研究进展[J].材料导报,2011,25(02):66. |
| [10] | Xiaoming Fang;Zhengguo Zhang;Zhonghua Chen .Study on preparation of montmorillonite-based composite phase change materials and their applications in thermal storage building materials[J].Energy conversion & management,2008(4):718-723. |
| [11] | Li, M.;Wu, Z.;Kao, H. .Study on preparation and thermal properties of binary fatty acid/diatomite shape-stabilized phase change materials[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2011(8):2412-2416. |
| [12] | Min Li;Zhishen Wu;Hongtao Kao .Study on preparation, structure and thermal energy storage property of capric-palmitic acid/attapulgite composite phase change materials[J].Applied energy,2011(9):3125-3132. |
| [13] | Sari, A.;Bi?er, A..Thermal energy storage properties and thermal reliability of some fatty acid esters/building material composites as novel form-stable PCMs[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2012:114-122. |
| [14] | 吕学文,考宏涛,李敏.膨胀石墨/石蜡复合相变材料相变过程的热分析[J].材料导报,2011(04):131-133,137. |
| [15] | Xiaoming Fang;Zhengguo Zhang .A novel montmorillonite-based composite phase change material and its applications in thermal storage building materials[J].Energy and buildings,2006(4):377-380. |
| [16] | Jin LF;Xiao FP .Phase diagram of the ternary system lauric acid-capric acid-naphthalene[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2004(1/2):1-5. |
| [17] | Zhang, X.;Deng, P.;Feng, R.;Song, J. .Novel gelatinous shape-stabilized phase change materials with high heat storage density[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2011(4):1213-1218. |
| [18] | Sari, A;Karaipekli, A .Preparation, thermal properties and thermal reliability of palmitic acid/expanded graphite composite as form-stable PCM for thermal energy storage[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2009(5):571-576. |
| [19] | 张毅;张菁燕;李东旭.石膏基相变储能墙体材料的性能研究[A].北京:化学工业出版社,2011:267. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%