Patent ID: 9028710
Filing Date: 2015-05-12
Classification: C01G,C01P,H01M,Y02E,Y10T

Abstract:
1. A pulverulent compound of the formula Ni a M1 b M2 c O x (OH) y , where M1 is at least one element selected from the group consisting of Fe, Co, Zn, Cu and mixtures thereof, M2 is at least one element selected from the group consisting of Mn, Al, Cr, B, Mg, Ca, Sr, Ba, Si and mixtures thereof, 0.3≦a≦0.83, 0.1≦b≦0.5, 0.01≦c≦0.5, 0.01x≦0.99 and 1.01≦y≦1.99, wherein a ratio of a tapped density measured in accordance with ASTM B 527 to D50 of a particle size distribution measured in accordance with ASTM B 822 is at least 0.2 g/cm 3 ·μm and wherein the compound has a BET surface area measured in accordance with ASTM D 3663 is less than 9 m 2 /g and wherein the normalized width of the particle size distribution defined by the formula (1) where D is the diameter of the powder particles, is ≦1.3, and the pulverulent compound is obtained by a process wherein the solids content in a suspension is at least 300 g/L and a specific mechanical power input is at least 4 W/L.