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Enhancement in Thermal Property of Phase Change Microcapsule with Modified Carbon Nanotube

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Abstract:

Carbon nanotubes grafted with stearyl alcohol (CNTs-SA) was used to enhance the thermal conductivities of the microcapsules. Differential Scanning Calorimeter (DSC) and thermogravimetry (TG) analysis method are employed to measure thermal properties of the prepared MicroPCM containing the grafted CNTs (MicroPCM/CNTs-SA). The results indicated the phase change temperature and latent heat of MicroPCM/CNTs-SA was 26.2°C and 47.7J/g. An increase in thermal conductivity, thermal stability of MicroPCM/CNTs-SA was observed. After 100 heating and cooling cycles, MicroPCM/CNTs-SA still had better durability and thermal stability.

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Periodical:

Advanced Materials Research (Volume 856)

Pages:

314-317

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.856.314

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Online since:

December 2013

Authors:

Min Li, Zhi Shen Wu

Keywords:

Carbon Nanotube (CN), Microcapsule, Thermal Property

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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