Recent advances in the preparation and utilization of carbon nanotubes for hydrogen storage

Ding, RG, Lu, GQ, Yan, ZF and Wilson, MA (2001) Recent advances in the preparation and utilization of carbon nanotubes for hydrogen storage. Journal of Nanoscience And Nanotechnology, 1 1: 7-29. doi:10.1166/jnn.2001.012


Author Ding, RG
Lu, GQ
Yan, ZF
Wilson, MA
Title Recent advances in the preparation and utilization of carbon nanotubes for hydrogen storage
Journal name Journal of Nanoscience And Nanotechnology   Check publisher's open access policy
ISSN 1533-4880
Publication date 2001-01-01
Year available 2001
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1166/jnn.2001.012
Open Access Status
Volume 1
Issue 1
Start page 7
End page 29
Total pages 23
Editor H.S. Nalwa
Place of publication USA
Publisher American Scientific Publishers
Language eng
Subject C1
250102 Chemistry of Catalysis
670903 Clay products
Abstract Recent progress in the production, purification, and experimental and theoretical investigations of carbon nanotubes for hydrogen storage are reviewed. From the industrial point of view, the chemical vapor deposition process has shown advantages over laser ablation and electric-arc-discharge methods. The ultimate goal in nanotube synthesis should be to gain control over geometrical aspects of nanotubes, such as location and orientation, and the atomic structure of nanotubes, including helicity and diameter. There is currently no effective and simple purification procedure that fulfills all requirements for processing carbon nanotubes. Purification is still the bottleneck for technical applications, especially where large amounts of material are required. Although the alkali-metal-doped carbon nanotubes showed high H-2 Weight uptake, further investigations indicated that some of this uptake was due to water rather than hydrogen. This discovery indicates a potential source of error in evaluation of the storage capacity of doped carbon nanotubes. Nevertheless, currently available single-wall nanotubes yield a hydrogen uptake value near 4 wt% under moderate pressure and room temperature. A further 50% increase is needed to meet U.S. Department of Energy targets for commercial exploitation. Meeting this target will require combining experimental and theoretical efforts to achieve a full understanding of the adsorption process, so that the uptake can be rationally optimized to commercially attractive levels. Large-scale production and purification of carbon nanotubes and remarkable improvement of H-2 storage capacity in carbon nanotubes represent significant technological and theoretical challenges in the years to come.
Keyword Chemistry, Multidisciplinary
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Carbon Nanotubes
Hydrogen Storage
Production
Purification
Adsorption
Chemical Vapor Deposition
Chemical-vapor-deposition
Single-walled Nanotubes
Large-scale Synthesis
Monte-carlo Simulations
Catalytic Decomposition
Field-emission
Electronic-properties
Molecular Simulation
Materials Science
Energy-storage
Q-Index Code C1
Institutional Status UQ
Additional Notes This document is a journal review.

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collection: Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Wed, 15 Aug 2007, 02:08:42 EST