期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 95, 期 7, 页码 1811-1818出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2011.01.048
关键词
Exfoliated graphite nanoplatelets; Paraffin wax; Latent heat storage; Thermal conductivity; Two roll mill
资金
- Michigan Economic Development Corporation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0922999] Funding Source: National Science Foundation
Composite phase change materials (PCM) for latent heat thermal energy storage were made by mixing two different kinds of exfoliated graphite nanoplatelets (xGnP-1 and xGnP-15) into paraffin wax. Direct casting and two roll milling were used to prepare samples. The investigation on the thermal and electrical conductivity of nanocomposites with these two nanoplatelets was performed. Higher thermal conductivity of composite PCM can be achieved with nanofillers of larger aspect ratio, better orientation and lower interface density. The thermal physical properties of the nanocomposites were investigated by differential scanning calorimetry and thermal gravimetric analysis. It was found that the latent heat of the nanocomposites was not adversely affected by the presence of xGnP nanoplatelets and the thermal stability improved. (C) 2011 Elsevier B.V. All rights reserved.
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