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HomeMaterials Science ForumMaterials Science Forum Vol. 904Characterization Analysis According to Growth...

Characterization Analysis According to Growth Temperature of Carbon Nanowall on Metal Coated Substrate for Electrode Application of Energy Storage

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Abstract:

Secondary cells, which are the core storage media of energy storage systems (ESS), and carbon nanowalls (CNWs), which are expected to improve the performance of supercapacitors while being used as their electrodes, were investigated in this study. CNWs were directly grown on the substrate, and the substrate was a Si wafer with a nickel layer deposited on top of it. The nickel layer was deposited with the RF-magnetron sputtering method using a 4-inch Ni target. The CNWs were grown on the prepared substrate using microwave plasma-enhanced chemical vapor deposition (PECVD). The substrate temperature was changed from 550 to 800°C by 50°C increments to identify the growth characteristics according to the growth temperature. The surficial and cross-sectional images according to the temperature were analyzed using a field emission scanning electron microscope (FE-SEM). It was confirmed that the density of the CNWs increased along with the temperature. Especially, it was confirmed that the density increased dramatically at 750°C or higher.

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Metallurgy Technology and Materials V

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Periodical:

Materials Science Forum (Volume 904)

Pages:

115-119

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.904.115

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Online since:

August 2017

Authors:

Jong Kug Park, Won Seok Choi, Hyun Suk Hwang, Kyoung Hak Lee, Jung Hyun Kim, Yeun Ho Joung*

Keywords:

Annealing, Carbon Based Nano-Meterials, Carbon Nanowall, High Efficiency Electrode, PECVD, Plasma, Thin Film

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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