Article abstract
Nature Materials 5, 987 - 994 (2006)
Published online: 26 November 2006 | doi:10.1038/nmat1782
Subject Categories: Electronic materials | Nanoscale materials | Design synthesis and processing
Shape-engineerable and highly densely packed single-walled carbon nanotubes and their application as super-capacitor electrodes
Don N. Futaba1,2,3, Kenji Hata1,2, Takeo Yamada1,2, Tatsuki Hiraoka1,2, Yuhei Hayamizu1,2, Yozo Kakudate2, Osamu Tanaike2, Hiroaki Hatori2, Motoo Yumura1,2 & Sumio Iijima1,2
Abstract
We present a rational and general method to fabricate a high-densely packed and aligned single-walled carbon-nanotube (SWNT) material by using the zipping effect of liquids to draw tubes together. This bulk carbon-nanotube material retains the intrinsic properties of individual SWNTs, such as high surface area, flexibility and electrical conductivity. By controlling the fabrication process, it is possible to fabricate a wide range of solids in numerous shapes and structures. This dense SWNT material is advantageous for numerous applications, and here we demonstrate its use as flexible heaters as well as supercapacitor electrodes for compact energy-storage devices.
- Research Center for Advanced Carbon Materials, Tsukuba 305-8565, Japan
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan
- Japan Fine Ceramics Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8565, Japan
Correspondence to: Kenji Hata1,2 e-mail: kenji-hata@aist.go.jp
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