Thermal properties of lauric acid/high‐density polyethylene form‐stabilized phase change materials doped with hybrid carbon nanofillers

Zhang, Huan; Fu, Tingwei; Wang, Wenze; Fang, Guiyin

doi:10.1002/pc.27242

Cited by 7 publications

(2 citation statements)

References 38 publications

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“…While the freezing temperature was a little different, it increased slightly with the increase of Cellulose-PEG contents and closed to pure PEG slowly, indicating that HDPE has a slight impact on the freezing temperature. 36 The melting and freezing enthalpies of SSWPCs were all below 20.0 J/g, which were unsatisfied used as indoor temperature regulating material and needed a further improvement.…”

Section: Dsc Measurementmentioning

confidence: 99%

An energy storage composite using cellulose grafted polyethylene glycol as solid–solid phase change material

Guo,

Jiang,

Qiu

et al. 2023

Polymer Composites

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Phase‐change material (PCM) has great thermal energy ability, which has been used as building material for energy conservation. While the most widely used solid–liquid PCM usually appeared leakage during the phase change transition. In order to overcome the leakage of solid–liquid PCM and prepare a viable building energy‐saving materials for indoor temperature regulation, thermal energy storage composites were prepared by utilizing cellulose grafted PEG as phase change material (PCM) and high‐density polyethylene (HDPE) as the substrate. The liquid leakage of PEG was solved after graft to fabricate solid–solid PCM. HDPE is beneficial for solving the leakage and improving the mechanical property by its secondary encapsulation. The synthesized Cellulose‐PEG was characterized by scanning electron microscopy (SEM), X‐ray diffractometer (XRD), and differential scanning calorimetry (DSC). Thermal and mechanical characteristics of the composite were explored. The outcomes revealed that: (1) PEG was successfully grafted to the surface of cellulose and Cellulose‐PEG showed solid–solid phase change behavior. (2) Both the melting‐cooling temperatures and the thermal stability of solid–solid wood plastic composite (SSWPC) had the potential as thermal energy storage material for temperature regulating. (3) The addition of Cellulose‐PEG adversely affected moisture resistance, flexural property, and impact strength due to the weak interface bonding. The physical and mechanical degradation was tolerable for applying situation where mechanical performance is less crucial.Highlights Cellulose‐PEG showed solid–solid phase change behavior without liquid leakage. High‐density polyethylene (HDPE) was used as the matrix to realize the second encapsulation of PCM. Cellulose‐PEG negatively influenced the physical and mechanical property of HDPE. Solid–solid wood plastic composite presented great thermal storage capacity for indoor temperature regulating.

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Section: Dsc Measurementmentioning

confidence: 99%

An energy storage composite using cellulose grafted polyethylene glycol as solid–solid phase change material

Guo,

Jiang,

Qiu

et al. 2023

Polymer Composites

View full text Add to dashboard Cite

show abstract

“…Among the various fillers, it is evidenced by previous research that the addition of graphene and its derivatives can effectively improve the physical properties of the matrix material, including pyroelectric performance. [21][22][23] Hsieh et al 24 developed the pyroelectric field effect transistor (FET) based on graphene-lead zirconate titanate (PZT) system. At an electric field of 6.7 kV/m, the current sensitivity of the photothermal FET could reach 360 nA/mW.…”

Section: Introductionmentioning

confidence: 99%

High pyroelectric performances of graphene nanoplatelet reinforced polyvinylidene fluoride composite film

et al. 2023

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As a semi‐crystalline polymer with pyroelectric properties, polyvinylidene fluoride (PVDF) has demonstrated great potential in developing smart and multifunctional materials. However, the low level of β phase in pure PVDF restricts its pyroelectric performance and applications. Selecting graphene nanoplatelets (GNP) as the reinforcing filler, this current work pioneeringly investigates the pyroelectric performances of GNP/PVDF composite films subjected to different scenarios. It is found that the addition of GNP can significantly enhance the formation of the β phase in PVDF and the pyroelectric performances of the composite. When the GNP content is 10 wt%, the pyroelectric coefficient of the GNP/PVDF composite film reaches up to 260 μC/m2K, which is about 10 times that of pure PVDF. Parametric study demonstrates that decreasing the thickness of the composite film and increasing the temperature are beneficial to improve the pyroelectric performances. Moreover, the addition of GNPs cannot only enhance the pyroelectric performance, but also improves the thermal stability of the composite film. The work is envisaged to provide guidelines for the design and manufacturing PVDF‐based sensors with improved sensitivity.

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Thermal Properties of 1-Tetradecanol/Polyvinyl Butyral Composite Phase Change Materials with Expanded Graphite for Latent Heat Storage

Wang,

Fu,

Fang

2024

J. of Materi Eng and Perform

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Thermal properties of lauric acid/high‐density polyethylene form‐stabilized phase change materials doped with hybrid carbon nanofillers

Cited by 7 publications

References 38 publications

An energy storage composite using cellulose grafted polyethylene glycol as solid–solid phase change material

An energy storage composite using cellulose grafted polyethylene glycol as solid–solid phase change material

High pyroelectric performances of graphene nanoplatelet reinforced polyvinylidene fluoride composite film

Thermal Properties of 1-Tetradecanol/Polyvinyl Butyral Composite Phase Change Materials with Expanded Graphite for Latent Heat Storage

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