Continuous Mass Production of Carbon Nanotube Using Secondary Fluidized Bed

Journal of Inorganic Materials

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Continuous Mass Production of Carbon Nanotube Using Secondary Fluidized Bed

CHEN Fei; ZHANG Xiao-Bin; SUN Yan-Lin; CHENG Ji-Peng; LI Yu

Department of Material Science and Engineering; State Key Lab of Silicon; Zhejiang University; Hangzhou 310027; China

Received:2003-06-04 Revised:2003-07-07 Published:2004-07-20 Online:2004-07-20

Abstract

Abstract: Continuous mass production of carbon nanotubes with chemical vapor deposition was studied by using secondary fluidized bed. Parameters such as temperature and flow rate were investigated. The yield of carbon nanotube is 200g/h. TGA and Raman analysis show the purity of the product is over 50%, but not well graphited. Optimized condition acquired is N₂5000sccm, C₂H₂1000sccm at 750℃. Hydrogen reduction is not necessary and the catalyst can be reused after purification.

Key words: carbon nanotube, fluidized bed, mass production

CLC Number:

TQ127

CHEN Fei,ZHANG Xiao-Bin,SUN Yan-Lin,CHENG Ji-Peng,LI Yu. Continuous Mass Production of Carbon Nanotube Using Secondary Fluidized Bed[J]. Journal of Inorganic Materials.

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Continuous Mass Production of Carbon Nanotube Using Secondary Fluidized Bed

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