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In this paper, a graphene enhanced thermal conductive adhesive (G-TCA) was developed for thermal management of power devices. The developed G-TCA has many advantages, including high thermal conductivity, lower density, good dispensing ability, and cost effective. To fabricate G-TCAs, few-layer graphene was utilized as fillers to improve the thermal conductivity of the TCA. The graphene nanosheets...
This paper tries to study the striking distance to ground by the coaxial unification fractal model (CUFM). Firstly, the Braginskii and Rusck-Lundholm relation are adopted to link the velocity, peak current and the radius of core at the peak current discharge instant. Then, the corona sheath absorption coefficient is investigated with the corona sheath permittivity evaluation in terms of the ratio...
Efficient heat dissipation is becoming an urgent demand in electronics and optoelectronics because of increasing power density, which is generating more heat than ever. Graphene, an atomic layer of carbon, has been shown to have high thermal conductivity, which makes this material a promising candidate for heat dissipation in electronics. Here, we demonstrate a new type of graphene-based film on a...
According to Moore's Laws, complexity and power densities of electronic devices are increased during the last decades, moreover their dimensions are shrinking to nanometers causing hot-spot temperature escalation. Thermal management, therefore, becomes a critical issue for next generation of electronics. This scenario motivates development of novel thermal conductive adhesive (TCA) with enhanced thermal...
According to Moore's Laws, complexity and power densities of electronic devices are increased during the last decades, moreover their dimensions are shrinking to nanometers causing hot-spot temperature escalation. Thermal management, therefore, becomes a critical issue for next generation of electronics. This scenario motivates development of novel thermal conductive adhesive (TCA) with enhanced thermal...
Due to its atomic structure with sp2 hybrid orbitals and unique electronic properties, graphene has an extraordinarily high thermal conductivity which has been reported to be up to 5000 W/mK. As a consequence, the use of graphene-based materials for thermal management has been subject to substantial attention during recent years in both academia and industry. In this paper, the development of a new...
A facile way to synthesis ionic solvent-free multi-walled carbon nanotubes (CNTs) (MWNTs) nanofluids has been introduced. Fourier transform infrared spectra and transmission electron microscope (TEM) were employed to study the surface structure of MWNTs in the nanofluids. The thermal property of the nanofluids was characterized by thermogravimetric analysis and differential scanning calorimetry. The...
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