▎ 摘 要
NOVELTY - Production of graphene nanocomposite energetic material using atomic layer deposition technique comprises (A) preparing graphene loaded nanomaterial composites by sonicating oxidized graphene and solvent, mixing with nanometal suspension comprising solvents A and B, adding reducing agent, dispersing, centrifuging and drying; and (B) preparing graphene nanocomposite energetic material by placing graphene nanometal composite powder in vapor phase atomic layer deposition system, introducing inert carrier gas, and performing atomic layer deposition of graphene nanometal composite powder. USE - Method for producing graphene nanocomposite energetic material (claimed). ADVANTAGE - The method increases affinity of oxide and nanometal surface, improves space arrangement, and increases energy release rate. It has good safety performance. DETAILED DESCRIPTION - Production of graphene nanocomposite energetic material using atomic layer deposition technique comprises: (A) preparing graphene loaded nanomaterial composites by adding 0.01-100 pts. wt. oxidized graphene and 100-10000 pts. wt. solvent in ultrasonic reactor, sonicating at 10-5,000 W, 10-10,000 Hz and 20-100 degrees C for 5-10 minutes to get oxidized graphene suspension; mixing 100-10000 pts. wt. solvent A and 100-10000 pts. wt. solvent B to get cosolvent, and sonicating at 10-5000 W, 10-10000 Hz and 20-100 degrees C for 5 minutes to 10 hours to get stable dispersion nanometal suspension; adding 1-100 pts. wt. graphene oxide suspension to 10-1000 pts. wt. nanometal suspension, dispersing for 5 minutes to 5 hours, adding 1-5000 pts. wt. reducing agent, ultrasonic dispersing for 5 minutes to 10 hours to obtain stable graphene/nano-metal composite suspension; and centrifuging with high-speed rotor centrifuge for 10 minutes to 2 hours at 0-100 degrees C and 3000-20000 revolutions/minute (rpm), and drying at 0.01 kPa to 0.1 MPa; and (B) preparing graphene nanocomposite energetic material by placing graphene nanometal composite powder in reaction chamber of vapor phase atomic layer deposition system, sealing reaction chamber, introducing inert carrier gas into vapor deposition system, vacuumizing, controlling pressure between 133-1000 Pa, and controlling temperature at 25-400 degrees C, performing atomic layer deposition of graphene nanometal composite powder to form coating film, injecting excess first reaction precursor into reaction chamber, passing inert carrier gas, injecting excess of second reaction precursor into reaction chamber, introducing inert carrier gas, and performing atomic layer deposition repeatedly. The solvent A is methyl acetate, N,N-dimethylformamide, dimethyl sulfoxide and/or N-methylpyrrolidone. The solvent B is ethylene glycol and/or isopropanol.