▎ 摘　　要

NOVELTY - Preparing non-metal doped porous graphene material by laser-induced solid phase involves mixing the graphene oxide powder with non-metal element inorganic salt compound, adding anhydrous ethanol, grinding and mixing uniformly to obtain the mixed sample, sealing and storing for further use, where the non-metal element inorganic salt is ammonium fluoride, thiourea, ammonium nitrate or urea, transferring the mixed sample into the ampoule bottle, fixing the ampoule bottle on the rotating motor, introducing argon/hydrogen mixed gas into the bottle opening end of the ampoule bottle, controlling the flow rate of the mixed gas to 10-15 mL/minutes, placing the ampoule bottle under the laser emitter, controlling the rotating speed of the rotating motor to 10-30 revolutions/minute (rpm), and adjusting the laser power of the laser emitter as 1-10 Watts (W). USE - Method for preparing non-metal doped porous graphene material by laser-induced solid phase for use in the field of preparation of inorganic nano material for energy storage battery device to improve the electrochemical activity, catalytic activity and energy storage activity. ADVANTAGE - The method enables to realize uniform surface treatment and modification of powder materials by laser, has simple and easy scheme, good repeatability, short preparation period, simple and convenient process, and is easy for large-scale production. The nitrogen-doped graphene material prepared by the method has high catalytic and energy storage performance and good stability, and has good application prospects. DETAILED DESCRIPTION - Preparing non-metal doped porous graphene material by laser-induced solid phase involves mixing the graphene oxide powder with non-metal element inorganic salt compound, adding anhydrous ethanol, grinding and mixing uniformly to obtain the mixed sample, sealing and storing for further use, where the non-metal element inorganic salt is ammonium fluoride, thiourea, ammonium nitrate or urea, transferring the mixed sample into the ampoule bottle, fixing the ampoule bottle on the rotating motor, introducing argon/hydrogen mixed gas into the bottle opening end of the ampoule bottle, controlling the flow rate of the mixed gas to 10-15 mL/minutes, placing the ampoule bottle under the laser emitter, controlling the rotating speed of the rotating motor to 10-30 revolutions/minute (rpm), adjusting the laser power of the laser emitter as 1-10 Watts (W), irradiating the mixed sample in the ampoule bottle by laser, scanning for 5-10 minutes, stopping the laser processing, removing the ampoule bottle and immersing the laser-treated sample in an acidic solution, washing with deionized water, and freeze-drying to obtain a non-metal-doped porous graphene material.