CATHODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY

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A cathode material for a lithium-ion secondary battery including cathode active material particles which have central particles made of LixAyMzPO4 (0≦x≦1.1, 0.8≦y≦1.1, and 0≦z≦0.2; here, A represents at least one element selected from the group consisting of Fs, Mn, Co, and Ni, and M represents at least one element selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements) and a carbonaceous film that coats surfaces of the central particles; and inorganic phosphate salt particles.