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Journal of Nanomaterials
Volume 2017, Article ID 6375135, 15 pages
Review Article

Effect of Filler Shape on the Thermal Conductivity of Thermal Functional Composites

1School of Mechanical and Energy Engineering, Shaoyang University, Shaoyang, Hunan 422001, China
2College of Engineering, Shanghai Polytechnic University, Shanghai 201209, China

Correspondence should be addressed to Wei Yu; nc.ude.upss@iewuy

Received 16 June 2017; Accepted 10 August 2017; Published 30 October 2017

Academic Editor: Jingchao Zhang

Copyright © 2017 Changqing Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


With the rapid development of electronic industry, heat dissipation issue becomes more and more important. Thermal functional composites (TFCs) are usually binary composites, filled with thermal conductive additives (nanomaterials) in matrix, and the composites show good thermal performance. The theoretical and experimental results show that the filler shape is one of the most important but easily overlooked factors. In this article, we provide a systematic review of the effect of the filler shape on the thermal conductivity of TFCs, and the heat transfer enhancement based on synergistic effect is also summed up. Finally, the future trends of further improving thermal properties of TFCs are predicted.