Graphene production process

Abstract

The invention belongs to the technical field of graphene production and particularly relates to a graphene production process. A reaction kettle is used in the process and comprises a chamber, a feeding pipe, a gas inlet pipe, a finished product conveying pipe, microwave emitters and a swing module. The feeding pipe is arranged at the top of the chamber; the gas inlet pipe is arranged at the bottom of the chamber and used for injecting inert gases or compressed air into the chamber; the finished product conveying pipe is arranged at the top, on one side of the feeding pipe, of the chamber; themicrowave emitters are arranged on the inner wall of the chamber; the swing module is arranged in the middle of the chamber and used for placement of oxidized graphite particles. By arrangement of the swing module, influences on graphene production due to raw material accumulation are avoided under the vibration action of the swing module; by arrangement of a vibration module, local accumulationof graphite particles in a placement vessel is avoided, and blockage of a feeding hopper is avoided; by arrangement of a shaking module, the graphite particles are enabled to shake in the placement vessel, and accordingly influences on graphene production due to raw material accumulation are avoided.

Description

technical field [0001] The invention belongs to the technical field of graphene production, in particular to a graphene production process. Background technique [0002] At present, methods for preparing graphene, a special material, include: slight friction method or tearing tape method (pasting HOPG), heating SiC method, metal substrate chemical vapor deposition method, redox method, etc. The first three methods are not suitable for large-scale production of graphene due to low yield, expensive equipment, and cumbersome process. The redox method is relatively more suitable for large-scale production because of its higher yield. [0003] However, the chemical reducing agent (such as hydrazine hydrate) used in the traditional redox method is very toxic, so that this reduction method poses a greater threat to human health and environmental protection. The thermal reduction method has the advantages of rapid and thorough reduction. advantages; but since heating generally need...

AI Technical Summary

Problems solved by technology

[0005] The graphene production process of this technical scheme only uses vibrating blocks for vibration, the vibration effect is poor, and there are no effective measures to prevent blockage and local accumulation during feeding, which makes the raw material paving efficiency of this scheme low, thus affecting the graphene. Productivity

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