Method for making electrode active material

Details Method for making electrode active material Method for making electrode active material

C - Chemistry, Metallurgy

01

B

C01B 15/16 (2006.01) C01D 15/00 (2006.01) C01G 31/00 (2006.01) H01M 4/04 (2006.01)

Patent

CA 2649747

The present invention is directed to a method for making electrode active materials represented by the general formula: Aa(VO)bXO4l wherein: (a) A is an alkali metal or mixture of alkali metals, and 0 < a < 4; (b) 0 < b < 2; (c) X is selected from the group consisting of phosphorous (P), sulfur (S), arsenic (As), silicon (Si), and combinations thereof; and wherein A, X, a and b are selected to maintain the electroneutrality of the electrode active material in its nascent (as prepared or synthesized) state.

La présente invention concerne un procédé de fabrication de matériaux actifs d'électrodes représentés par la formule générale : Aa(VO)bXO4l, dans laquelle : (a) A est un métal alcalin ou un mélange de métaux alcalins et 0 < a < 4 ; (b) 0 < b < 2 ; (c) X est sélectionné dans le groupe constitué du phosphore (P), du soufre (S), de l'arsenic (As), du silicium (Si), et de combinaisons de ces éléments ; et A, X, a et b étant sélectionnés de façon à maintenir l'électroneutralité du matériau actif d'électrode à son état naissant (comme il est préparé ou synthétisé).

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