2010
DOI: 10.1002/ceat.201000102
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Experimental Investigation on the Characteristics of Polyethylene Glycol/Cement Composites as Thermal Energy Storage Materials

Abstract: The polyethylene glycol/cement composites as thermal energy storage materials were prepared by blending polyethylene glycol and cement. In composite materials, polyethylene glycol (PEG) is used as the phase change material for thermal energy storage and cement acts as the supporting material. A Fourier transformation infrared spectroscope (FT-IR), x-ray diffractometer (XRD), and scanning electronic microscope (SEM) were used to determine the chemical structure, the crystalloid phase, and microstructure of the … Show more

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Cited by 41 publications
(9 citation statements)
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References 15 publications
(12 reference statements)
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“…reveals that PEG (diffractogram a) displays reflections at 2 θ = 14.65°, 15.08°, 19.16°, 23.25°, 26.19°, 26.92°, 27.85°, 30.90°, 32.67°, 36.13°, 39.69°, 42.94°, and 45.15°. Such reflections match beautifully with those reported for PEG in other literature data . The powder diffractogram of ZSM‐5 (Fig.…”
Section: Resultssupporting
confidence: 88%
See 1 more Smart Citation
“…reveals that PEG (diffractogram a) displays reflections at 2 θ = 14.65°, 15.08°, 19.16°, 23.25°, 26.19°, 26.92°, 27.85°, 30.90°, 32.67°, 36.13°, 39.69°, 42.94°, and 45.15°. Such reflections match beautifully with those reported for PEG in other literature data . The powder diffractogram of ZSM‐5 (Fig.…”
Section: Resultssupporting
confidence: 88%
“…This result indicates that the crystallite size of the PEG becomes smaller in the composites due to the restriction of the crystals of the PEG by the pores of ZSM‐5 zeolite. Such argument was used in the interpretation of the XRD results of PEG/cement composite . Increasing the PEG content in the composite is accompanied by a gradual peak shift for the zeolites peaks located at 6° to 12° range.…”
Section: Resultsmentioning
confidence: 99%
“…These values are similar to those of previous studies [ 31 ], e.g., LS/PEG1000 as shown in Table 3 . The latent heat collected during the phase change is in line with measurements from other studies on thermally-efficient, form-stable PCMs [ 19 , 22 , 30 , 36 , 62 , 63 , 64 ], proving it to be adequate for the intended purposes. The enthalpies recorded during the melting/crystallization processes of a form-stable PCM composed of a PEG polymer have generally been found to be slightly lower than those expected by normalizing the latent heat to the true PEG content.…”
Section: Resultssupporting
confidence: 78%
“…Based on the above‐mentioned selection criteria (high Δ H M and different melting temperature ranges), PEG, PE, PP, and POM (high Δ H M ) and PA (higher melting temperature range) were identified as the most suitable polymeric PCM. The applicability of PEG as PCM has already been examined profoundly . The melting temperature range of polypropylene (PP) is almost congruent with polyoxymethylene (POM), which exhibits higher Δ H M , and the degradation behavior of PP is assumed to be comparable to the one of PE.…”
Section: Materials Selectionmentioning
confidence: 99%
“…Nevertheless, up to now, polymeric materials have mostly been applied as form‐stabilizer for PCM,for example, refs. –i, and with two exceptions not as PCM per se: polyethylene glycol has been tested as PCM profoundly and polyethylene has been considered as PCM by a few authors . However, also various other semi‐crystalline polymers show great potential as PCM, especially with regard to high heat of fusion, different suitable melting temperature ranges, cost‐effectiveness, easily adaptable properties via compounding, and the potential use of recycled polymers.…”
Section: Introduction and Scopementioning
confidence: 99%