Phase Change Composites with Milled Carbon Fiber

Lahmaidi, Hamiod and Baumli, Péter (2020) Phase Change Composites with Milled Carbon Fiber. Materials Science and Engineering, 45 (1). pp. 198-206. ISSN 2063-6792

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Abstract

The use of phase change materials (PCMs) in latent heat storage attracts more and more attention in recent years, but their low thermal conductivity is one of main issues that should be resolved. In order to overcome this problem, the dispersion of solid-liquid PCMs into carbon based materials has been investigated in many studies. In the present study, the pressing method was used for the preparation a PCM composite. NaNO3 and CsNO3 will be chosen as the PCMs and the milled carbon nanofiber (MCF) as the high thermal conductive filler. Several studies have been developing new types of PCMs by introducing high thermal conductive filler such as carbon additives or metal foams. Carbon materials are so far the best fillers to increase the effective thermal conductivity of PCM since only small volume fraction is needed and they have high thermal conductivity and low density.

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