Catalytic engineering of carbon nanotube production

被引:39
作者
Yu, ZX
Chen, D
Totdal, B
Zhao, TJ
Dai, YC
Yuan, WK
Holmen, A
机构
[1] Norwegian Univ Sci & Technol, Dept Chem Engn, NTNU, N-7491 Trondheim, Norway
[2] Norwegian Univ Sci & Technol, Dept Phys, NTNU, N-7491 Trondheim, Norway
[3] E China Univ Sci & Technol, UNILAB, State Key Lab Chem React Engn, Shanghai 200237, Peoples R China
关键词
space velocity metal loading; production rate; productivity; large-scale synthesis;
D O I
10.1016/j.apcata.2004.10.032
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The impact of some engineering aspects such as space velocity, catalyst metal loading, hydrogen. and temperature on carbon nanotube (CNT) production rate, productivity, and morphology in carbon monoxide disproportionation has been studied. The morphology and quality of the CNTs produced were examined by high resolution transmission electron microscopy (TEM). It was found that space velocity and metal loading have significant effects on the production rate and CNT productivity. The presence of H-2 dramatically increased the productivity, but altered the CNT structure. The synthesis temperature also influenced the carbon productivity and structure. The results were interpreted according to the traditional model for CNT growth, and the implications for large-scale CNT production were suggested. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:223 / 233
页数:11
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