N-doped graphite modified methanol synthesis catalyst and preparation method thereof

The invention relates to an N-doped graphite modified methanol synthesis catalyst and a preparation method thereof. A graphite release agent in the catalyst is subjected to N doping modification, then the graphite release agent and an active component copper in the catalyst form coordination anchoring, the heated sintering trend of copper is slowed down through coordination interaction of N and copper, finally, the N-doped graphite modified methanol synthesis catalyst with high thermal stability is obtained, and efficient utilization of all components of the catalyst is achieved. According to the invention, N-doped modification of graphite is realized by a relatively convenient method, coordination anchoring of N and an active component copper is realized through N-doped graphite, the thermal migration trend of the active component is finally slowed down, and the thermal stability of the catalyst is improved. The graphite is changed from a simple release agent role to an auxiliary role, and efficient utilizat