Abstract
Graphene/polymer nanocomposites have attracted much more attention due to its high thermal conductivity up to 5300 W/mK, as well as the lightweight, noncorrosive and elastic properties of the polymer matrix. At present, the existing experimental results have shown that the thermal conductivity of graphene/polymer nanocomposites can be effectively improved by increasing the aspect ratio of graphene, or increasing the transverse size and thickness of graphene at the same time under the condition of constant aspect ratio. In this study, the influence of the number of GNSs layers and size on the isotropic thermal conductivity of the composites are revealed based on Maxwell's effective medium theory by considering the effect of the number of GNSs layers on the interface thermal resistance and the thermal conductivity of GNSs. The expressions of equivalent thermal conductivity for the isotropic GNSs/polymer composites are obtained. The numerical results obtained in this paper are agree well with experimental data. And these results show that the thermal conductivity of the isotropy composites increases with the increase of GNSs layers, concentration and aspect ratio. However, the increment of thermal conductivity for the composites decreases gradually with the increase of GNSs layers.
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Liang, Z., Huang, W., Rao, R., Li, F. (2023). An Analysis for Thermal Conductivity of Graphene/Polymer Nanocomposites. In: Pan, L., Zhao, D., Li, L., Lin, J. (eds) Bio-Inspired Computing: Theories and Applications. BIC-TA 2022. Communications in Computer and Information Science, vol 1801. Springer, Singapore. https://doi.org/10.1007/978-981-99-1549-1_55
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DOI: https://doi.org/10.1007/978-981-99-1549-1_55
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