Preparation of Stearic acid/Diatomite Composite Phase Change Material

The composite phase change material was prepared via the impregnation method using diatomaceous as the carrier and stearic acid as the phase change material. The effects of diatomite content, temperature, immersion time and pressure on the mass ratio of stearic acid and diatomaceous earth in the com...

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Bibliographic Details
Main Authors: Zong, Jianping, Wang, Defu, Jin, Yanlin, Gao, Xing, Wang, Xinxin
Format: Conference Proceeding
Language:English
Subjects:
Acids
Chemical reactions
Composite materials
Diatomaceous earth
Energy storage
Immersion
Infrared analysis
Infrared spectroscopy
Intermolecular forces
Phase change materials
Stearic acid
Submerging
Thermal energy
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Summary:The composite phase change material was prepared via the impregnation method using diatomaceous as the carrier and stearic acid as the phase change material. The effects of diatomite content, temperature, immersion time and pressure on the mass ratio of stearic acid and diatomaceous earth in the composite phase change materials were discussed. The experimental results showed that the optimum conditions for preparing stearic acid/diatomite composite phase change material were immersion temperature of 80℃, socking time of 2 h, diatomite mass fraction of 23.04%, and vacuum degree of 0.03 MPa. Finally, the infrared spectroscopy analysis of stearic acid/diatomite composite phase change energy storage material showed that there is no chemical reaction between stearic acid and diatomite. And they are held together by intermolecular forces.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202124503070