▎ 摘　　要

NOVELTY - Preparing amino graphene mixing malononitrile and calcium hydroxide according to mass ratio of 15-25:7 and then dissolving the mixed material in anhydrous tetrahydrofuran. The mixed material is kept below -2-2 degrees C under nitrogen protection and then the obtained material is stirred for 20-30 minutes for dispersing the graphene oxide in anhydrous tetrahydrofuran to obtain a stable suspension liquid. The malononitrile solution is added to oxidized graphene suspension below room temperature and then the obtained material is heated at 55-65 degrees C after finishing dripping. USE - Method for preparing amino graphene (claimed) used as carrier metal catalyst. ADVANTAGE - The method enables to prepare amino graphene in simple manner and restores graphene oxide and nitrile group. DETAILED DESCRIPTION - Preparing amino graphene mixing malononitrile and calcium hydroxide according to mass ratio of 15-25:7 and then dissolving the mixed material in anhydrous tetrahydrofuran. The mixed material is kept below -2-2 degrees C under nitrogen protection and then the obtained material is stirred for 20-30 minutes for dispersing the graphene oxide in anhydrous tetrahydrofuran to obtain a stable suspension liquid. The malononitrile solution is added to oxidized graphene suspension below room temperature and then the obtained material is heated at 55-65 degrees C after finishing dripping. The heated material is stirred for 20-28 hours. The stirred material is cooled and then the cooled material is filtered. The filtered material is washed with hydrochloric acid solution and then with water to obtain neutral material. The washed material is washed with methanol and acetone respectively for 1-3 times. The washed material is dried to obtain graphene nitrile base compound and then the obtained material is dispersed in anhydrous tetrahydrofuran. The dispersed material is added with lithium aluminum hydride at room temperature 20-28 hours and then the obtained material is washed with hydrochloric acid solution. The washed material is filtered and then the filtered material is washed with water to neutral material. The obtained material is washed with ethanol for 2-4 times and then the washed material is dried to obtain the product.