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Open AccessArticle

Adhesion-Increased Carbon Nanowalls for the Electrodes of Energy Storage Systems

1
Department of Electrical Engineering, Hanbat National University, Daejeon 34158, Korea
2
Department of Advanced Materials Engineering, Hanbat National University, Daejeon 34158, Korea
*
Author to whom correspondence should be addressed.
Energies 2019, 12(24), 4759; https://doi.org/10.3390/en12244759
Received: 8 November 2019 / Revised: 29 November 2019 / Accepted: 9 December 2019 / Published: 13 December 2019
(This article belongs to the Special Issue Advanced Materials for Energy Conversion and Storage Devices)
Carbon nanowalls (CNWs), which are used as electrodes for secondary batteries in energy storage systems (ESSs), have the widest reaction surface area among the carbon-based nanomaterials, but their application is rare due to their low adhesion with substrates. Indium tin oxide (ITO), a representative transparent conducting oxide (TCO) material, is widely used as the electrode for displays, solar cells, etc. Titanium nitride (TiN) is a well-used material as an interlayer for improving the adhesion between two materials. In this study, ITO or TiN thin films were used as an interlayer to improve the adhesion between a CNW and a substrate. The interlayer was deposited on the substrate using a radio frequency (RF) magnetron sputtering system with a four-inch TiN or ITO target. CNWs were grown on the interlayer-coated substrate using a microwave-plasma-enhanced chemical vapor deposition (MPECVD) system with a mixture of methane (CH4) and hydrogen (H2) gases. The adhesion of the CNW/interlayer/substrate structure was observed through ultrasonic cleaning. View Full-Text
Keywords: carbon nanomaterials; carbon nanowall; adhesion; energy storage system carbon nanomaterials; carbon nanowall; adhesion; energy storage system
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MDPI and ACS Style

Choi, H.; Kwon, S.; Kang, H.; Kim, J.H.; Choi, W. Adhesion-Increased Carbon Nanowalls for the Electrodes of Energy Storage Systems. Energies 2019, 12, 4759.

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