Method for preparing carbon nano-fine particle, apparatus...

Details Method for preparing carbon nano-fine particle, apparatus... Method for preparing carbon nano-fine particle, apparatus...

2006-01-24

2006-01-24

VerSteeg, Steven (Department: 1753)

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C204S192380, C204S298410

Reexamination Certificate

active

06989083

ABSTRACT:
A graphite cathode and a graphite anode are placed opposite each other through an insulating plate having a notch. A voltage is applied between both of the electrodes to generate arc discharge at the notch of the insulating plate. A given area of the graphite anode is evaporated from an electrode point of the arc discharge, and simultaneously an arc jet is generated from the notch. Thereby, a carbon nanoparticle comprising soot of carbon nanomaterial containing carbon nanohorn is generated. The soot is deposited on a recovering plate for recovery.

REFERENCES:
patent: 2002/0179428 (2002-12-01), Anazawa et al.
patent: 2001064004 (2001-03-01), None
Ikeda et al., “Preparation of Carbon Nanohorn Aggregates By Cavity Arc Jet In Open Air”, Japanese Journal of Applied Physics, 41, L852 (2002).
Murata et al., “Pore Structure Of Single-Wall Carbon Nanohorn Aggregates”, Chemical Physics Letters, vol. 331, pp. 14-20 (2000).
Saito et al., “Basis of Carbon Nanotube”, pp. 37-42, Corona Publishing Co., ltd. (1998).
Iijima et al., “Nano-Aggregates Of Single-Walled Graphitic Carbon Nano-Horns”, Chemical Physics Letters,vol. 309, pp. 165-170 (1999).

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