Metal (II) phosphate powders, lithium metal phosphate powders for a Li-ion battery and methods for manufacturing the same are provided. The metal (II) phosphate powders are represented by the following formula (I) :
(Fe1-xMx)3(PO4)2•yH2O (I)
wherein M comprises at least one metal selected from the group consisting of Mn, Co, Ni, Cu, Cr, V, Mo, Ti, Zn, Zr, Tc, Ru, Rh, Pd, Ag, Cd, Pt, Au, Al, Ga, In, Be, Mg, Ca, Sr, B and Nb, 0.5 < x ≤ 1, y is an integer of 0 to 8, the metal phosphate (II) powders are composed of plural flake powders, and the length of each of the flake powders is ranged from 50 nm to 10 μm. |