MSA  Vol.4 No.8 , August 2013
Enhanced Thermal Conductivity of Carbon Nanotube Arrays by Carbonizing Impregnated Phenolic Resins
ABSTRACT

A carbonization method is reported to improve the thermal conductivity of carbon nanotube (CNT) arrays. After being impregnated with phenolic resins, CNT arrays were carbonized at a temperature up to 1400°C. As a result, pyrolytic carbon was formed and connected non-neighboring CNTs. The pyrolysis improved the room temperature conductivity from below 2 W/m·K up to 11.8 and 14.6 W/m·K with carbonization at 800°C and 1400°C, respectively. Besides the light mass density of 1.1 g/cm3, the C/C composites demonstrated high thermal stability and a higher conductivity up to 21.4 W/m·K when working at 500°C.


Cite this paper
D. Hu, H. Chen, Z. Yong, M. Chen, X. Zhang, Q. Li, Z. Fan and Z. Feng, "Enhanced Thermal Conductivity of Carbon Nanotube Arrays by Carbonizing Impregnated Phenolic Resins," Materials Sciences and Applications, Vol. 4 No. 8, 2013, pp. 453-457. doi: 10.4236/msa.2013.48055.
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