Highly flexible composite phase-change material PA-EG-AgNPs achieved through self-assembly of nano-silver for enhanced photothermal performance

He, Yuyang; Wu, Xiu-Wen; Hu, Guangbo; Wang, Shaobo; Feng, Ruiting

doi:10.1016/j.est.2024.111263

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2024.111263

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Highly flexible composite phase-change material PA-EG-AgNPs achieved through self-assembly of nano-silver for enhanced photothermal performance

Yuyang He,

Xiu-Wen Wu,

Guangbo Hu

et al.

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Cited by 6 publications

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Paraffin Wax–Expanded Graphite Composite Phase Change Materials With Enhancing Thermal Conductivity and Thermal Stability for Thermal Energy Storage

Li,

Yan,

Yang

et al. 2024

ChemistrySelect

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PW–EG composite phase change materials (CPCMs) with varying expanded graphite (EG) mass fractions were prepared by vacuum adsorption, using EG as the matrix and paraffin wax (PW) as the phase change material (PCM). The optimal addition amount of EG was determined to be 20 wt% based on the enthalpy change and leakage performance of the CPCMs. At this optimal composition, the thermal conductivity of CPCM enhanced significantly from 0.348 to 6.003 W/(m·K). SEM analysis revealed effective adsorption of PW within the pores of EG, reducing the leakage rate of PW to below 2.0%. The DSC results showed that the melting temperature and solidification temperature of CPCM were 36.3 °C and 40.80 °C, respectively, with the corresponding latent heat of 113.2 J/g and 106.6 J/g, respectively. FT‐IR and XRD results confirmed that the interactions of PW and EG were primarily due to capillary action, demonstrating excellent chemical compatibility. The TG test results showed that using EG may improve heat resistance of PW, increasing the heat resistance limit temperature from 110 to 142 °C. After 200 thermal cycles, the CPCM exhibited satisfactory thermal properties, excellent structural integrity, and thermal stability, which will provide a great potential of PCM for thermal energy storage applications.

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Paraffin Wax–Expanded Graphite Composite Phase Change Materials With Enhancing Thermal Conductivity and Thermal Stability for Thermal Energy Storage

Li,

Yan,

Yang

et al. 2024

ChemistrySelect

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A facile strategy for enhancement of heat storage rate in LHS units

Wang,

Qi,

Yang

et al. 2024

Journal of Energy Storage

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Solar-powered compact thermal energy storage system with rapid response time and rib-enhanced plate via techniques of CFD, ANN, and GA

Yan,

Li,

Dara

et al. 2025

Journal of Energy Storage

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Highly flexible composite phase-change material PA-EG-AgNPs achieved through self-assembly of nano-silver for enhanced photothermal performance

Cited by 6 publications

References 46 publications

Paraffin Wax–Expanded Graphite Composite Phase Change Materials With Enhancing Thermal Conductivity and Thermal Stability for Thermal Energy Storage

Paraffin Wax–Expanded Graphite Composite Phase Change Materials With Enhancing Thermal Conductivity and Thermal Stability for Thermal Energy Storage

A facile strategy for enhancement of heat storage rate in LHS units

Solar-powered compact thermal energy storage system with rapid response time and rib-enhanced plate via techniques of CFD, ANN, and GA

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