Materials Reports  2019, Vol. 33 Issue (z1): 219-222 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Preparation and Properties of Composite Phase Change Energy Storage Material MA-PA-SA/Modified Fly Ash |
| LAI Rongyong, WANG Wenxin, XIE Wenqian, DING Yimin
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| Department of Chemistry, School of Science, Shanghai University, Shanghai 200444 |
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Abstract Amyristic-palmitic-stearic acid/modified fly ash composite phase change material (CPCM) has been prepared,which was a mixture of myristic acid, palmitic acid and stearic acid. The mass ratio was m(MA)∶m(PA)∶m(SA)=56.82∶28.08∶15.10 and m(PCM)∶m(fly ash) = 1∶1 were sui-table, by the heating method. The FT-IR, DTA-TG,and storage/release thermal cycling test has been used to determine the structure and thermal properties of the CPCM. The FT-IR results show that just between each constituent physical interaction. The DTA results indicate that the peak temperature and latent heat of CPCM are 45.8 ℃, 93.58 J/g, respectively. The rate of phase change enthalpy loss is 12.9% through 800 cycles of storage/release thermal cycling test, performance show that the CPCM has good thermal stability and long service life. All the results indicate that the CPCM has proper phase change temperature, high phase change enthalpy, good thermal stability, and fly ash a support material, which reduces the manufacturing cost of the material. It has practical application significance in the field of energy storage and solid waste utilization.
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Published: 05 July 2019
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| About author:: Rongyong Lai received his B.S. degree in material chemistry from Gannan Normal University(GNNU) in Sep. 2012-Jun.2016. Since Sep. 2016, he has been studying for a M.S. degree in physical chemistry at Shanghai University(SHU). During his time at school, he participated in the publication of 4 journal papers, and in the 23rd Shanghai University Student Creation Invention Competition he won the third prize of "Invention and Innovation ". His research interests focus on the phase change material and recycling of solid waste.Yiming Ding obtained her M.S. degree in physical chemistry and Ph.D degree in materials science and engineering from the Shanghai University(SHU) ,and served in Department of Chemistry in SHU. She is currently an associate professor. She has published more than 50 journal papers, applied 11 national invention patents and 6 of them were authorized. Her research interests focus on phase diagrams of molten salt, phase change material, and comprehensive utilization of industrial solid waste. |
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