Journal
COMPOSITES COMMUNICATIONS
Volume 19, Issue -, Pages 134-141Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2020.03.009
Keywords
Epoxy composites; MXenes; Thermal conductivity; Carbon fiber; Freeze-drying
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Funding
- National Natural Science Foundation of China [51573201]
- NSFC-Zhejiang Joint Fund for the Integration of Industrialization and Informatization [U1709205]
- Public Welfare Project of Zhejiang Province [2016C31026]
- Scientific Instrument Developing Project of the Chinese Academy of Sciences [YZ201640]
- Chinese Academy of Sciences [KFZD-SW-409]
- Science and Technology Major Project of Ningbo [2016S1002, 2016B10038]
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As the power density of the electronics is on increasing, improving the heat dissipation performance of electronic packaging materials will play a positive role in promoting the performance of modern electronics. In this work, the three-dimensional carbon fiber (CF)-MXenes foam, in which the vertically aligned CF constructed the heat transport paths, were prepared by simple freeze-drying method. As a result, the thermal conductivity (TC) of CF-M/epoxy composites was improved to an ultra-high level (9.68 W/mK) at 30.2 wt% hybrid fillers, increasing by 4509% enhancement compared with that of neat epoxy. In addition, the thermal properties of composites, such as glass transition temperature (Tg), coefficient of thermal expansion (CTE) were investigated. All the results indicated that the CF-MXenes/epoxy composite was supposed to be a promising heat dissipation material and will be used in the field of electronic packaging.
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