C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 41/50 (2006.01) B01J 2/00 (2006.01) C04B 35/52 (2006.01) C08K 9/00 (2006.01) C09D 5/00 (2006.01) H01M 4/36 (2006.01)
Patent
CA 2502050
The invention concerns a method for combined grinding of a homogeneous mixture of particles comprising a conductive core consisting of at least one graphite and continuously or discontinuously coated with at least a material other than the one constituting the core, the core particles being of greater size than those of the particles used for producing the coating of the cores by combined grinding. The resulting particulate mixtures exhibit electrochemical and mechanical properties making them suitable to be advantageously used in electrochemical batteries and in paints.
Procédé de préparation par cobroyage d'un mélange homogène de particules comportant un noyau conducteur constitué d'au moins un graphite et enrobé de façon continue ou discontinue par au moins un matériau différent de celui qui constitue le noyau, les particules des noyaux étant supérieures en taille à celles des particules utilisées pour réaliser l'enrobage des noyaux par cobroyage. Les mélanges de particules obtenus présentent des propriétés électrochimiques et mécaniques qui leur permettent d'être avantageusement utilisés dans les batteries électrochimiques et dans les peintures.
Charest Patrick
Guerfi Abdelbast
Kinoshita Kimio
Perrier Michel
Zaghib Karim
Hydro-Quebec
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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