SEMI-FINISHED POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD AND PREPARATION DEVICE FOR POSITIVE ELECTRODE MATERIAL

Provided in the present invention are a semi-finished positive electrode material, and a preparation method and preparation device for a positive electrode material. According to the present invention, a sintering reactor for preparing a positive electrode material comprises a reactor shell, a heater, a feed port, a discharge port, and at least two material carrying platforms connected in series, wherein the feed port and the discharge port are located at two ends of the reactor shell; the heater and the material carrying platforms are located in the reactor shell; the heater is used for heating materials; the material carrying platforms are used for conveying the materials from the feed port to the discharge port; and the material carrying platforms can vibrate. The preparation method for a positive electrode material of the present invention comprises a granulation procedure and a sintering procedure. According to the method of the present invention, after granulation, particles have fluidity and a greater