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Graphite intercalation compounds (GICs) are complex materials having a formula CXₘ where the ion Xⁿ⁺ or Xⁿ⁻ is inserted (intercalated) between the oppositely charged carbon layers. Typically m is much less than 1. These materials are deeply colored solids that exhibit a range of electrical and redox properties of potential applications.
A method for preparing reduced graphene oxide in a gas-solid phase one-step method
The application discloses a method for preparing reduced graphene oxide by a gas-solid phase one-step method and belongs to the technical field of graphene preparation. The method comprises the following steps: step 1, a certain proportion of combustible gas and air is introduced into a combustion furnace to make the combustible gas and air have an incomplete combustion reaction, and high-temperature gas containing carbon monoxide and hydrogen is generated; step 2, the high-temperature gas of the combustion furnace is used for preparing graphene oxide powder and thermal reduction reaction of graphite intercalation compounds; and step 3, the reactants in step 2 are cooled, then gas-solid separation is carried out, and the obtained solid is graphene powder. The combustible gas is convenient and cheap, a high-temperature and reduction gas atmosphere is created, the graphite intercalation compound continuously completes the powder preparation and the reduction of graphene oxide in a closed environment, the production of the reduced graphene oxide has ideal production efficiency and product yield, and the production cost is relatively low.
Owner:SHANDONG HENGHUA NEW MATERIAL CO LTD