Process for preparing carbon nanotubes

C - Chemistry – Metallurgy – 23 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C23C 16/26 (2006.01) B01J 19/12 (2006.01) C01B 31/02 (2006.01) C23C 16/02 (2006.01) C23C 16/46 (2006.01)

Patent

CA 2405176

Carbon nanotubes are formed on carbon paper by first depositing a metal catalyst on the carbon paper, and passing a feedstock gas containing a source of carbon over the substrate while applying an electrical current thereto to heat the substrate sufficiently to generate a reaction between the catalyst and the feedstock gas. Alternatively, inert gas under pressure is passed through a tubular metal cathode while passing an electric current through the cathode to produce a plasma of fine catalyst particles which are deposited on a porous carbon substrate, and a feedstock gas containing a source of carbon is passed over the substrate to cause a reaction between the catalyst and the carbon source resulting in the formation of carbon nanotubes.

Cette invention concerne des nanotubes de carbone que l'on forme sur du papier carbone en déposant tout d'abord un catalyseur métallique sur ledit papier carbone, puis en faisant passer une charge de gaz contenant une source de carbone sur le substrat tout en appliquant un courant électrique au substrat pour chauffer suffisamment ce dernier et déclencher une réaction entre le catalyseur et la charge de gaz. En variante, on peut faire passer un gaz inerte sous pression au travers d'une cathode métallique tubulaire en même temps qu'un courant électrique pour produire un plasma de fine particules de catalyseur qui vont se déposer sur un substrat de carbone poreux ; on fait également passer une charge de gaz renfermant une source de carbone sur le substrat pour déclencher une réaction entre le catalyseur et la source de carbone, ce provoque la formation de nanotubes de carbone.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Process for preparing carbon nanotubes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing carbon nanotubes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing carbon nanotubes will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1845252

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.