Encapsulation of PCM in ceramic thermal energy storage materials

Abstract

Abstract: This study is concerned about encapsulation of phase change materials (PCM) with a ceramic honeycomb structure to give composite PCM. K₂SO₄ and NaCl were used as the PCM, whereas the honeycomb structure was made of cordierite synthesized in-situ with andalusite as the main raw material. A special agent was developed to seal the opening of the honeycomb pores filled with the PCM. A number of techniques were used to characterize the properties of the prepared composite PCM, including SEM, EPMA, TG-DTA and so on. It was shown that andalusite based ceramic honeycomb structures and the sealing agent can effectively encapsulate the PCMs. The prepared thermal storage density of the composite material containing 20% K₂SO₄ was around 987.70 kJ/kg (0~1080 ℃), whereas that with 16% NaCl was 796.40 kJ/kg (0~810 ℃).

Key words: thermal energy storage materials, andalusite based honeycomb ceramic, sensible-latent composite thermal storage, package agent, encapsulation

CLC Number:

TK02

LENG Guanghui, WU Jianfeng, XU Xiaohong. Encapsulation of PCM in ceramic thermal energy storage materials[J]. Energy Storage Science and Technology, 2012, 1(2): 123-130.

References

[1] Agyenima F,Hewitt N,Eames P,et al. A review of materials,heat transfer and phase change problem formulation for latent heat thermal energy storage systems (LHTESS)[J]. Renewable and Sustainable Energy Reviews ,2010,14(2):615-628.
[2] Zalba B,Marin M J,Cabeza F L,et al. Review on thermal energy storage with phase change:Materials,heat transfer analysis and applications[J]. Applied Thermal Engineering ,2003,23:251-283.
[3] Liu Ming,Saman W,Bruno F. Review on storage materials and thermal performance enhancement techniques for high temperature phase change thermal storage systems[J]. Renewable and Sustainable Energy Reviews ,2012,16(4):2118-2132.
[4] Arteconi A,Hewitt N J,Polonara F. State of the art of thermal storage for demand-side management[J]. Applied Energy ,2012,93:371-389.
[5] Bai Fengwu,Xu Chao. Performance analysis of a two-stage thermal energy storage system using concrete and steam accumulator[J]. Applied Thermal Engineering ,2011,31(14-15):2764-2771.
[6] 吴会军,朱冬生,李军,等. 储热材料的研究进展[J]. 材料导报,2005,19(8):96-98.
[7] 张国才,徐哲,陈运法,等. 金属基相变材料的研究进展及应用[J]. 储能科学与技术,2012,1(1):74-81.
[8] Gluck A,Tamme R,Kalaf H,et al. Development and testing of advanced TES materials for solar thermal central receier plants[C]//Proceedings of Solar World Congress. Denver:Pergamon Press,1991:1943-1948.
[9] Hahne E,Taut U,Grob Y. Salt ceramic themral energy storage for solar thermal central receier plants[C]//Proceedings of Solar World Congress. Denver:Pergamon Press,1991:1937-1942.
[10] Steiner D,Wierse M,Groll M. Development and Investigation of Thermal Energy Storage Systems for the Media Temperature Range[C]//Proceedings of the 30 th IECEC. New York:American Society of Mechanical Engineers,1995:193-198.
[11] Schwerin M,Listle W. Development of a latent heat storage system with ceramic matrix for utilization of industrial waste heat[C]//Final Report. Germany:ALPHA Labor,GmbH,Ismaning,1995.
[12] Nomura T,Okinaka N,Akiyama T. Impregnation of porous material with phase change material for thermal energy storage[J]. Materials Chemistry and Physics ,2009,115(2-3):846-850.
[13] 张兴雪,王华,王胜林. MgO陶瓷基复合相变蓄热材料的制备和性能研究[J]. 工业加热,2006,35(1):7-9.
[14] 黄金. 融盐自发浸渗用微米级多孔陶瓷预制体的烧制[J].材料导报,2006,20(5):126-135.
[15] 王雪松,李朝祥,樊远,等.红柱石矽线石矿物陶瓷储热材料的性能[J]. 矿产综合利用,2006(2):21-25.
[16] Bejjaoui R,Benhammou A,Nibou L,et al. Synthesis and characterization of cordierite ceramic from Moroccan stevensite and andalusite [J]. Applied Clay Science ,2010,49(3):336-340.
[17] Butt D P,Mecholsky J J. Effects of sodium silicate exposure at high temperature on sintered α-silicon carbide and siliconized silicon carbide [J]. Journal of the American Ceramic Society ,1989,72(9):1628-1635.
[18] 王华,Ito Y,Nohira T,等. 新型陶瓷与熔融盐复合储热材料优化组合的数值模拟[J]. 中国有色金属学报,2002,12(3):550-555.
[19] 张仁元,柯秀芳,李爱菊. 无机盐/陶瓷基复合储能材料的制备和性能[J]. 材料研究学报,2000,14(6):652-656.
[20] Tamme R,Taut U,Streuber C,et al. Energy storage development for solar thermal process[J]. Solar Energy Materials ,1991,24(1-4):386-396.
[21] 李爱菊,王毅. Na 2 SO 4 /SiO 2 复合储能材料制备工艺和性能的研究[J]. 华南师范大学学报:自然科学版,2008(1):82-87.