Method for Producing a Positive Electrode Material for Fuel Cell and Positive Electrode Material Pro

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PURPOSE : A manufacturing method of positive electrode material is provide to manufacture powder for positive electrode with relatively low electrode resistance. CONSTITUTION : A manufacturing method of positive electrode material comprises : a step of manufacturing mixed solution by mixing ceria precursor and rare earth metal precursor, dissolving the mixture into distilled water, and adding conductor powder and polyethylene glycol; a step of heating the mixed solution with ultrasonic wave treating; a step of forming a coating layer on the surface of the conductive powder by adding hydroxide aqueous solution into the mixed solution with treating ultrasonic wave treating the mixed solution; and a step of manufacturing powder for positive electrode material by dispersing the conductor powder into alcohol solution, and drying the dispersed solution. COPYRIGHT KIPO 2012