为了克服三水合醋酸钠(CH3COONa· 3H2O)作为相变储热材料在相变过程中存在的相分离现象,提高其热循环性能,采用简单的共混法将正二十烷(nEicosane)、多孔材料膨胀石墨(EG)与CH3COONa· 3H2O复合制备了三元相变体系(nEicosane EG/ CH3COONa· 3H2O),利用XRD、SEM、DSC等方法研究了复合相变体系的结构和储热性能.结果表明,利用正二十烷的包覆作用和EG的孔限域作用,可使nEicosane EG/CH3COONa· 3H2O的热循环性能显著提高.
参考文献
[1] | Su J C,Liu P S.A novel solid solid phase change heat stor age material with polyurethane block copolymer structure[J].Energy Conversion and Management,2006,47 (18):3185-3191.,2006. |
[2] | Nomura T,Okinaka N,Akiyama T.Impregnation of porous material with phase change material for thermal energy stor age[J].Materials Chemistry and Physics,2009,115 (2-3):846-850.,2009. |
[3] | Fang G Y,Li H,Yang F,et al.Preparation and character ization of nano encapsulated n tetradecane as phase change material for thermal energy storage[J].Chemical Engineer ing Journal,2009,153 (1-3):217-221.,2009. |
[4] | 贾超,唐炳涛,张淑芬,等.超声辅助溶胶凝胶法制备硬脂酸/SiO2定形相变储能材料[J].复合材料学报,2012,29(1):85-90.Jia Chao,Tang Bingtao,Zhang Shufen,et al.Synthesis of stearic acid/SiO2 hybrid phase change materials by ultrasound assisted[J].Acta MateriaeCompositaeSinica,2012,29(1):85-90.,2012. |
[5] | 李佳佳,陆艺超,叶光斗,徐建军,姜猛进.纺丝原液原位合成相变材料微胶囊制备石蜡/PVA储能纤维[J].复合材料学报,2012(03):79-84. |
[6] | 张仁元.相变材料与相变储能技术[M].北京:科学出版社,2009:108-109.Zhang Renyuan.Phase change materials and phase change energy storage technology[M].Beijing:Science Press,2009:108-109.,2009. |
[7] | Sharma A,Tyagi V V,Chen C R,et al.Review on thermal energy storage with phase change materials and applications[J].Renewable Sustainable Energy Reviews,2009,13 (2):318-345.,2009. |
[8] | 张雪梅,钟英杰,骆兰花,任建莉,徐璋.改进三水醋酸钠蓄热性能的实验研究[J].浙江工业大学学报,2006(06):688-691. |
[9] | 郎雪梅,叶菊招.三水合醋酸钠的相变贮热性能[J].材料开发与应用,2003(01):4-7,15. |
[10] | 徐建霞,柯秀芳.三水合醋酸钠相变储能性能研究[J].材料导报,2007,21(F11):319-321.Xu Jianxia,Ke Xiufang.Study of phase change property of sodium acetate trihydrate as energy storage material[J].Ma terials Review,2007,21(F11):319-321.,2007. |
[11] | 王智平,郭长华,王克振,彭国伟.相变材料三水醋酸钠储热性能实验研究[J].化学工程,2011(05):27-30. |
[12] | 芦大杰,胡芃,赵斌斌,刘阳,陈则韶.三水合醋酸钠纳米成核剂的性能研究[J].工程热物理学报,2012(08):1279-1282. |
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%