C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/462 (2006.01) C01G 23/00 (2006.01) C01G 25/00 (2006.01) C04B 35/628 (2006.01) C04B 35/634 (2006.01) H01M 4/48 (2006.01)
Patent
CA 2487320
The invention concerns a method for preparing ceramic powders in the presence of a carbon powder comprising a step which consists in homogenizing a mixture of particles capable of resulting in a ceramic by heat treatment. Said method can be carried out in the presence of an accelerated solvent and provides, at reduced energy consumption, carbon-coated ceramic powders and then ceramics.
La presence invention est relative a un procede de preparation dune poudre ceremique en presence dune poudre de carbone comportant au moins une etape d'homogeneisation du melange des particules susceptibles de resulter en une ceramique par traitement thermique. Ce procede peut etre realise en presence d'un solvant accelere permet d'obtenir, a un coat energetique reduit, des poudres ceramiques enrobees de carbone puis des ceramiques.
Armand Michel
Charest Patrick
Guerfi Abdelbast
Zaghib Karim
Hydro-Quebec
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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