Process for making nano-sized and sub-micron-sized...

Details Process for making nano-sized and sub-micron-sized... Process for making nano-sized and sub-micron-sized...

C - Chemistry, Metallurgy

01

G

C01G 45/00 (2006.01) C01G 1/02 (2006.01) C01G 23/00 (2006.01) C01G 45/12 (2006.01) C01G 51/00 (2006.01)

Patent

CA 2478698

A process is provided for making nano-sized or sub-micron sized oxides of lithium and a transition metal. The desired size is generally in the range 10 nm to 1000 nm and preferably in the range 10 nm to 100 nm. The particles have a narrow size distribution. The process includes milling and refiring under controlled conditions so that crystallites of the desired particle size are grown.

L'invention concerne un procédé de fabrication de nano-oxydes et d'oxydes submicroniques de lithium et de métaux de transition. La taille souhaitée se situe généralement entre 10 et 1000 nm, de préférence, entre 10 et 100 nm. Les particules présentent une distribution granulométrique étroite. Ce procédé de fabrication consiste en des opérations de broyage et de recuit dans des conditions maîtrisées qui permettent d'obtenir des cristallites caractérisées par le calibre de grain souhaité.

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