▎ 摘　　要

NOVELTY - A graphene composite cathode material production device comprises feeding device, vacuum planetary mixer disposed on feeding device downstream, and reaction kettle disposed on vacuum planetary mixer downstream. The reaction kettle comprises discharging device. USE - Graphene composite cathode material production device. ADVANTAGE - The method solves short battery cycle life of lithium battery. The battery reduces internal resistance, and improves performance, high-rate charging and discharging and electric core radiating problem. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the graphene composite cathode material comprising reacting reaction raw material at 600-700 degrees C for 10-12 hours to form core-shell structure, cooling by discharging device, and adjusting parameter and production flow during production by control center.