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Description
1. Efficient Shielding Performance
Graphene has excellent electrical conductivity, which makes it effective in shielding electromagnetic interference. In the increasing number of electronic devices today, electromagnetic interference problem is more and more prominent. Graphene shielding material can significantly reduce the impact of electromagnetic interference on the performance of equipment, improve the stability and reliability of equipment.
2.thin and flexible
Compared with traditional shielding materials, graphene shielding material is more thin and flexible. This feature makes it in the aerospace, aviation, automotive electronics and other fields have a wide range of prospects for application. Thin and light characteristics help to reduce the overall weight of the equipment, improve energy efficiency and operational performance; and flexibility makes graphene shielding materials can adapt to a variety of complex shapes of equipment, to provide a full range of shielding protection.
3.corrosion resistance and stability
Graphene has excellent corrosion resistance and chemical stability, and can maintain its shielding performance in harsh environments for a long time. This makes graphene shielding materials in the marine, chemical and other corrosive industries have significant advantages. At the same time, its stability also ensures the durability of the shielding effect, reducing the frequency of maintenance and replacement.
4. high conductivity: graphene has very high electron mobility and conductivity, is one of the highest conductivity of existing materials. This property enables graphene to effectively conduct the energy of electromagnetic waves, thus reducing the intensity of electromagnetic wave transmission.
5. high surface area: the two-dimensional structure of graphene makes it have a great surface area, which is conducive to full interaction with electromagnetic waves.
6.excellent mechanical properties: graphene has excellent mechanical properties, including high strength, high flexibility and high stability, which makes it able to maintain a stable electromagnetic shielding effect in a variety of environments.
7.graphene in the specific role of electromagnetic shielding
（1）Absorption and scattering of electromagnetic waves
Graphene can absorb and scatter electromagnetic waves, prevent electromagnetic waves from penetrating and cause the reaction electric field, so as to achieve the effect of electromagnetic shielding.
（2）When the electromagnetic wave passes through graphene, the electrons of graphene will be excited and undergo energy level jump, dissipating part of the electromagnetic energy, and this absorption loss mechanism is the important foundation of graphene electromagnetic shielding.
（3）Directional blocking
Graphene has a single-layer structure and a high degree of flexibility, and can be prepared into films of different shapes and thicknesses according to the needs, so as to achieve directional blocking of electromagnetic waves.
Graphene has excellent electrical conductivity, which makes it effective in shielding electromagnetic interference. In the increasing number of electronic devices today, electromagnetic interference problem is more and more prominent. Graphene shielding material can significantly reduce the impact of electromagnetic interference on the performance of equipment, improve the stability and reliability of equipment.
2.thin and flexible
Compared with traditional shielding materials, graphene shielding material is more thin and flexible. This feature makes it in the aerospace, aviation, automotive electronics and other fields have a wide range of prospects for application. Thin and light characteristics help to reduce the overall weight of the equipment, improve energy efficiency and operational performance; and flexibility makes graphene shielding materials can adapt to a variety of complex shapes of equipment, to provide a full range of shielding protection.
3.corrosion resistance and stability
Graphene has excellent corrosion resistance and chemical stability, and can maintain its shielding performance in harsh environments for a long time. This makes graphene shielding materials in the marine, chemical and other corrosive industries have significant advantages. At the same time, its stability also ensures the durability of the shielding effect, reducing the frequency of maintenance and replacement.
4. high conductivity: graphene has very high electron mobility and conductivity, is one of the highest conductivity of existing materials. This property enables graphene to effectively conduct the energy of electromagnetic waves, thus reducing the intensity of electromagnetic wave transmission.
5. high surface area: the two-dimensional structure of graphene makes it have a great surface area, which is conducive to full interaction with electromagnetic waves.
6.excellent mechanical properties: graphene has excellent mechanical properties, including high strength, high flexibility and high stability, which makes it able to maintain a stable electromagnetic shielding effect in a variety of environments.
7.graphene in the specific role of electromagnetic shielding
（1）Absorption and scattering of electromagnetic waves
Graphene can absorb and scatter electromagnetic waves, prevent electromagnetic waves from penetrating and cause the reaction electric field, so as to achieve the effect of electromagnetic shielding.
（2）When the electromagnetic wave passes through graphene, the electrons of graphene will be excited and undergo energy level jump, dissipating part of the electromagnetic energy, and this absorption loss mechanism is the important foundation of graphene electromagnetic shielding.
（3）Directional blocking
Graphene has a single-layer structure and a high degree of flexibility, and can be prepared into films of different shapes and thicknesses according to the needs, so as to achieve directional blocking of electromagnetic waves.