The method for producing the electrode material

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PROBLEM TO BE SOLVED : To provide an electrode material capable of obtaining a high discharge capacity, stable charge-discharge cycle performance, a high filling property, a high output and the like by using an inexpensive element abundant as a resource, to provide a lithium ion battery using it and to provide a manufacturing method of the electrode material. SOLUTION : This electrode material is characterized by forming each secondary particle 3 by collecting a plurality of primary particles 1 expressed by a formula LixAyBzO4(wherein A is at least one kind selected from Cr, Mn, Fe, Co, Ni and Cu; B is at least one kind selected from Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, Y and a rare-earth elements; 0≤xCOPYRIGHT : (C)2004, JPO