Production of vapour-grown carbon fibres:: influence of the catalyst precursor and operating conditions

被引:16
作者
Serp, P
Madroñero, A
Figueiredo, JL [1 ]
机构
[1] Univ Porto, Fac Engn, Lab Catalise & Mat, P-4099 Oporto, Portugal
[2] CSIC, CENIM, E-28040 Madrid, Spain
关键词
vapour-grown carbon fibres; mechanisms; hydrocarbons;
D O I
10.1016/S0016-2361(98)00216-6
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Vapour-grown carbon fibres (VGCF) were produced from a methane-hydrogen mixture on a substrate seeded with an iron catalyst. The influence of the operating conditions and of the nature of the catalyst precursor on the yield and properties of the VGCF produced was investigated. The presence of hydrocarbon during the catalyst reduction stage and the heating rate imposed during the fibre growth step were found to be the most important factors determining the yield of VGCF, while Fe-3(CO)(12) proved to be an excellent precursor, producing the longest fibres. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:837 / 844
页数:8
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