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Electrophoretic coating of carbon nanotubes for high energy-density capacitor applications
Journal article   Peer reviewed

Electrophoretic coating of carbon nanotubes for high energy-density capacitor applications

Ezzat G. Bakhoum and Marvin H. M. Cheng
Journal of applied physics, Vol.105(10), 104314
05/15/2009
Web of Science ID: WOS:000266500100143

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Abstract

This paper reports the successful coating of carbon nanotubes (CNTs) grown on a metallic surface with particles of a ceramic dielectric material by using the electrophoretic deposition technique. Electrophoretic deposition, which is performed at room temperature, has achieved results that are far superior to chemical vapor deposition in this particular application. In an anticipated new breed of capacitors known as the "three-dimensional capacitors," conventional metallic electrodes will be replaced by CNTs for substantially larger electrode areas. The development of such capacitors is awaiting a technique for successfully coating CNTs with high dielectric-constant ceramics. Such a development is reported here.

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