Preparation and properties of 1-tetradecanol/1,3:2,4-di-(3,4-dimethyl) benzylidene sorbitol gelatinous form-stable phase change materials

Tian, Tuo; Song, Jian; Niu, Libo; Ren, Feng

doi:10.1016/j.tca.2012.12.006

Cited by 16 publications

(7 citation statements)

References 19 publications

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“…Comparison of latent heat as a function of encapsulation efficiency of materials: TD in EG, TD/capric acid (CA) in high-density polyethylene–ethylene–vinyl acetate (HDPE-EVA), TD/lauric acid (LA) in HDPE-EVA, TD/myristic acid (MA) in HDPE-EVA, TD in 1,3:2,4-di(3,4-dimethyl)benzylidene sorbitol (DMDBS), TD/MWNT in polyaniline (PANI), TD in PANI, TD in ethylenediamine–graphene aerogel (EGA), TD in vitamin C–graphene aerogel (VGA), TD in carbonized wood (CW), and beeswax-TD in carbon fiber (CF) and this work.…”

Section: Resultsmentioning

confidence: 99%

“…The encapsulation efficiencies range from ∼55 to ∼98 wt %. The highest efficiencies reported were TD encapsulated in carbon fiber (CF) 53 with an encapsulation efficiency of 98.0 wt % and latent heat of 228.7 and 227.6 J g −1 for melting and freezing, respectively, followed by TD in DMDBS 49 with an efficiency of 97.0 wt % and latent heat of 227.3 and 226.7 J g −1 . The rGOBA/TD composite in this study presented an extremely high encapsulation efficiency of 98.83 wt % with high latent heat of 232.2 and 228.4 J g −1 at a melting temperature of 40 °C, which makes it an ideal thermal management material, especially for applications where high energy density is desired and operating temperature is below 40 °C, e.g., lithium-ion battery pack.…”

Section: Resultsmentioning

confidence: 99%

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Graphene Oxide Aerogel Beads Filled with Phase Change Material for Latent Heat Storage and Release

Zhao

Luo

Kim

et al. 2019

ACS Appl. Energy Mater.

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Phase change composite materials (PCCMs) with large latent heat capacity, a stable structure, and efficient thermal response have high potential for thermal management in various applications. Herein, novel reduced graphene oxide aerogel beads (rGOABs) are synthesized by wet spinning of GO slurry followed by thermal reduction, which are infiltrated with 1-tetradecanol (TD) paraffin as phase change materials (PCMs) to produce rGOAB/TD composites. An exceptionally high mass fraction, 98.8%, of paraffin TD encapsulated in the rGOABs is achieved in this study, which is known to be the highest among studies ever reported. It is demonstrated that the rGOAB/TD composite possesses a high latent heat value of 230.3 J g −1 and maintains 96.6% efficiency after 50 heating−cooling cycles, making the composite PCM suitable for emerging thermal management applications. The thermal responsive tests of various samples indicate better thermal response of rGOAB/TD than GOAB/ TD without thermal reduction or the expanded graphite counterpart. With a high thermal storage capability, a high heat transfer property, and high flexibility, the novel rGOAB/TD PCCM has great potential in thermal management applications, such as lithium-ion battery packs.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Graphene Oxide Aerogel Beads Filled with Phase Change Material for Latent Heat Storage and Release

Zhao

Luo

Kim

et al. 2019

ACS Appl. Energy Mater.

View full text Add to dashboard Cite

show abstract

“…Complete suppression of leakage was achieved at ∼15 wt % of DBS, and the loss in heat of fusion and crystallization of PCM was slightly lower than the values calculated according to the weight fraction of the PCM. 15 …”

Section: Introductionmentioning

confidence: 99%

Phase Change Material with Gelation Imparting Shape Stability

et al. 2022

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Blending two gelators with different chemistries (12-hydroxystearic acid and a bis-urea derivative, Millithix MT-800) was used to impart shape stability to CrodaTherm 29, a bio-based phase change material (PCM), melting/crystallizing at near-ambient temperature. The gelators immobilized the PCM by forming an interpenetrating fibrillar network. 15 wt % concentration of the gelators was found to be effective in preventing liquid PCM leakage. In order to improve the mechanical properties and thermal conductivity (TC) of the PCM, gelation of suspensions of multiwalled carbon nanotubes (MWCNTs) and graphene nanoplatelets (GnPs) in a molten material was done at concentrations exceeding their percolation thresholds. Compared to pristine PCM, the gelled PCM containing 3.0 wt % of GnPs demonstrated a shorter crystallization time, ∼1.5-fold increase in strength, improved stability, and ∼65% increase in TC. At the same time, PCM filled with up to 0.6 wt % of MWCNTs had diminished strength and increased leakage with a slight TC improvement. Gelation of PCM did not significantly alter its thermal behavior, but it did change its crystalline morphology. The developed shape-stable PCMs may have a wide range of applications in ambient temperature solar-thermal installations, for example, temperature-controlled greenhouses, net zero-energy buildings, and water heaters.

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“…[41][42][43] (4) Encapsulating solid-liquid PCMs into a gel network. [44][45][46][47][48] However, when employing either porous materials or polymers as supporting materials to package solidliquid PCMs, the encapsulation and low latent heat problems are not well resolved.…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of side-chain liquid crystal polymer/paraffin composites as form-stable phase change materials

Liu

et al. 2015

J. Mater. Chem. A

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Preparation and properties of 1-tetradecanol/1,3:2,4-di-(3,4-dimethyl) benzylidene sorbitol gelatinous form-stable phase change materials

Cited by 16 publications

References 19 publications

Graphene Oxide Aerogel Beads Filled with Phase Change Material for Latent Heat Storage and Release

Graphene Oxide Aerogel Beads Filled with Phase Change Material for Latent Heat Storage and Release

Phase Change Material with Gelation Imparting Shape Stability

Preparation and characterization of side-chain liquid crystal polymer/paraffin composites as form-stable phase change materials

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