Journal
NANO-MICRO LETTERS
Volume 13, Issue 1, Pages -Publisher
SHANGHAI JIAO TONG UNIV PRESS
DOI: 10.1007/s40820-021-00640-4
Keywords
Thermally conductive polymer composites; Intrinsic thermal conductivity; Interfacial thermal resistance; Thermal conduction models; Thermal conduction mechanisms
Funding
- National Natural Science Foundation of China [51773169, 51973173]
- Guangdong Basic and Applied Basic Research Foundation [2019B1515120093]
- Technological Base Scientific Research Projects
- Natural Science Basic Research Plan for Distinguished Young Scholars in Shaanxi Province [2019JC-11]
- Polymer Electromagnetic Functional Materials Innovation Team of Shaanxi Sanqin Scholars
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This paper proposes three possible directions for breaking through the bottlenecks in thermally conductive polymer composites: preparing intrinsically thermally conductive polymers, reducing interfacial thermal resistance, and establishing suitable thermal conduction models and studying inner thermal conduction mechanism. The future development trends are expected to provide guidance for the preparation of thermally conductive polymers and their composites.
Rapid development of energy, electrical and electronic technologies has put forward higher requirements for the thermal conductivities of polymers and their composites. However, the thermal conductivity coefficient (lambda) values of prepared thermally conductive polymer composites are still difficult to achieve expectations, which has become the bottleneck in the fields of thermally conductive polymer composites. Aimed at that, based on the accumulation of the previous research works by related researchers and our research group, this paper proposes three possible directions for breaking through the bottlenecks: (1) preparing and synthesizing intrinsically thermally conductive polymers, (2) reducing the interfacial thermal resistance in thermally conductive polymer composites, and (3) establishing suitable thermal conduction models and studying inner thermal conduction mechanism to guide experimental optimization. Also, the future development trends of the three above-mentioned directions are foreseen, hoping to provide certain basis and guidance for the preparation, researches and development of thermally conductive polymers and their composites.
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