10. A nickel composite hydroxide in particulate form with a mean particle diameter in the range from 3 to 20 µm (d50), containing in the range of from 60 to 95 mole-% Ni and at least one transition metal selected from Co and Mn, and in the range of from 0.1 to 3.0 % by weight of carboxylate whose Ni(+II) salt has a solubility in water at 20°C of 1g/l or less, and the percentage referring to said nickel composite hydroxide.
composite hydroxide
particle diameter
in the range from 3 to 20 µm
µm