Single-walled carbon nanotubes (SWNTs) were synthesized by a hydrogen arc discharge method. A high yield of gram quantity of SWNTs per hour was achieved. Two kinds of SWNT products: web-like substance and thin films in large slices were obtained. Results of resonant Raman scattering measurements indicate that the SWNTs prepared have a wider diameter distribution and a larger mean diameter. Hydrogen uptake measurements of the two kinds of SWNT samples (both as prepared and pretreated) were carried out using a high pressure volumetric method, respectively. And a hydrogen storage capacity of 4 wt pct could be repeatedly achieved for the suitably pretreated SWNTs, which indicates that SWNTs may be a promising hydrogen storage material.
Synthesis and hydrogen storage in single-walled carbon nanotubes
Form, Porenvolumen, Dichte und Wasserstoffspeicherkapazität von unter Wasserstoff im Lichtbogen hergestellten und anschließend zweckentsprechend vorbehandelten einwandigen Kohlenstoff - Nanoröhrchen
Journal of Materials Science and Technology ; 18 , 2 ; 124-126
2002
3 Seiten, 5 Bilder, 1 Tabelle, 11 Quellen
Article (Journal)
English
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