▎ 摘　　要

NOVELTY - Method of preparing high thermal conductivity coated particle-dispersed fuel core block involves: (a) adding graphene during the preparation of coated particle dispersed fuel core block powder; (b) placing the coated particle dispersion fuel core block powder in a steel mold, and pressing to obtain coated particle-dispersed fuel core block blank added with graphene; and (c) hot pressing and sintering the coated particle-dispersed fuel core block blank added with graphene. USE - Method of preparing high thermal conductive coated particle-dispersed fuel core block. ADVANTAGE - The method provides high thermal conductive coated particle-dispersed fuel core block having improved thermal conductivity, and improved safety of the reactor.