Graphene is a two-dimensional carbon nanomaterial composed of carbon atoms arranged in a hexagonal honeycomb lattice. It has numerous unique properties and is widely used in various fields. Graphene is one of the materials with the highest theoretical strength known to date, possessing excellent mechanical, electrical, and optical properties. Its resistivity is low, and it has superior conductivity, with the quantum Hall effect observable at room temperature. The reactivity of graphene is mainly concentrated at edge groups and planar defects. It can be oxidized at high temperatures or react with oxidizing acids to produce CO, CO2, and other products. Graphene can also be connected to oxygen-containing groups to form graphene oxide or linked with other groups to produce corresponding derivatives. Graphene can be synthesized through mechanical exfoliation, chemical vapor deposition, redox reactions, electrochemical methods, and others. The product launched by Xianfeng Nano uses the mechanical exfoliation method, which has few defects and excellent performance. Aqueous graphene slurry is a water-based dispersion prepared using graphene as the core material through physical or chemical methods.

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