Preparation and control mechanism of nano-phase change emulsion with high thermal conductivity and low supercooling for thermal energy storage

Zhang, Guanhua; Guo, Yuqian; Zhang, Bin; Yan, Xiaoyu; Lu, Wei; Cui, Guomin; Du, Yanping

doi:10.1016/j.egyr.2022.06.029

Cited by 9 publications

(1 citation statement)

References 38 publications

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“…To examine the distribution and dispersion of nanoparticles on the surface of the samples, Ibrahim et al [22] used FESEM and energy dispersive spectroscopy (EDS). Zhang et al [23] analysed the stability of nanophase change emulsions both by direct observation and particle size distribution and particle dispersion index (PDI) measurements. Venkateshwar et al [24] analysed the potential techniques to quantify the concentration of nanoparticles after each melting-solidification cycle on nanoPCM.…”

Section: Introductionmentioning

confidence: 99%

Stability Investigation of the PCM Nanocomposites

Cieśliński,

Boroń,

Fabrykiewicz

2023

Acta Mechanica Et Automatica

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Ensuring the stability is a key issue to be solved for the technical application of nanocomposites. In this work, fatty acid P1801 served as base phase change material (PCM)P1801, and its main ingredients are palmitic acid (58%) and stearic acid (38%). Titania (TiO2) and alumina (Al2O3) with mass concentrations of 1% and 5% were selected as nanoparticles, while polyvinylpyrrolidone (PVP) or oleic acid (OA) with mass concentrations of 5% were tested as surfactants. On the basis of the measured temperature distributions in the sample, which is subject to melting and solidification processes, it was determined which of the tested nanocomposites are stable and which are not. In addition, a thermal test was proposed to assess the stability of the produced nanoPCM, which consists in measuring the temperature distribution versus time according to a precisely given procedure.

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Section: Introductionmentioning

confidence: 99%