Inorganic compounds

C - Chemistry – Metallurgy – 01 – G

Patent

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Details

C01G 53/00 (2006.01) H01M 4/02 (2006.01) H01M 4/48 (2006.01) H01M 4/52 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2618780

The invention relates to a chemical compound of the formula NibM1cM2d(O)x(OH)y, wherein M1 represents at least one element from the group including Fe, Co, Mg, Zn, Cu and/or the mixtures thereof, M2 represents at least one element from the group including Mn, Al, B, Ca, Cr and/or the mixtures thereof, wherein b = 0.8, c = 0.5, d = 0.5, and x is a number between 0.1 and 0.8, y is a number between 1.2 and 1.9 and the sum of x+y=2. The invention also relates to a method for producing the inventive compounds, and to their use as precursors for producing cathode material for secondary lithium batteries.

Composés chimiques de formule NibM1cM2d(O)x(OH)y, dans laquelle M1 représente au moins un élément du groupe Fe, Co, Mg, Zn, Cu et / ou un mélange de ces éléments, M2 représente au moins un élément du groupe Mn, Al, B, Ca, Cr et / ou un mélange de ces éléments, b est inférieur ou égal à 0,8, c est inférieur ou égal à 0,5, d est inférieur ou égal à 0,5, et x représente un nombre entre 0,1 et 0,8, y représente un nombre entre 1,2 et 1,9 et la somme x+y est égale à 2. La présente invention concerne également la production de ces composés, ainsi que leur utilisation en tant que matière préalable pour la fabrication de matière de cathode pour des batteries secondaires au lithium.

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