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Graphitized multi-walled carbon nanotubes (MWCNTs) offer enhanced crystallinity, optimized electrical conductivity, and superior thermal stability. Designed for advanced applications, they provide efficient reinforcement, extended durability, and high-performance adaptability.
Product Overview
Graphitized multi-walled carbon nanotubes are produced using the chemical vapor deposition (CVD) method, followed by high-temperature graphitization. This process effectively removes catalysts and other impurities, enhancing the purity of the nanotubes, reducing defects, and improving the microstructure. The graphitization treatment also enhances the crystallinity, electrical conductivity, and thermal stability of the carbon nanotubes. These superior electrical, thermal, and mechanical properties make them ideal for high-performance materials and devices.
Key Features
- High Purity:High-temperature treatment removes most metal impurities, resulting in improved purity.
- Excellent Flexibility and Elasticity:Can withstand significant deformation without breaking, making them suitable for complex movements in micro-mechanical components.
- Outstanding Electrical Properties:Conductivity close to copper, exhibiting unique quantum conductance properties, ideal for precise current control.
- Superior Thermal Properties:High thermal conductivity, capable of efficiently transferring heat and maintaining structural stability at high temperatures, ideal for high-efficiency heat dissipation applications.
- High Chemical Stability:Resistant to reactions in most chemical environments, with surface chemical modification capabilities to meet various application requirements.
- Optical Properties:Unique optical absorption and emission characteristics in the near-infrared and visible light regions, suitable for optical sensors and light-emitting devices.
Applications
- Battery Electrodes:Used as a conductive agent in lithium-ion batteries to enhance conductivity and extend cycle life.
- Composite Materials:Used in polymer, metal, or ceramic matrices to create high-strength, highly conductive, and thermally efficient composite materials.
- Electronic Devices:Semiconductor-based integrated circuits and display backplane driver devices are being developed using graphitized carbon nanotubes.
- Sensor Devices:With high sensitivity and fast response, they are suitable for gas sensors, biosensors, and other applications.
- Electric Heating Devices:Utilized to manufacture efficient electric heating devices, benefiting from their excellent conductivity and electrical-to-thermal conversion properties.
| Technical Parameter | Value |
| Diameter | >50 nm / 30-50 nm / 20-30 nm / 10-20 nm / 8-15 nm |
| Inner Diameter | 5-12 nm / 5-12 nm / 5-10 nm / 5-10 nm / 3-5 nm |
| Purity | >99.9% |
| Length | <10 µm / <10 µm / 5-30 µm / 5-30 µm / 10-50 µm |
| SSA | >20 m²·g⁻¹ / >30 m²·g⁻¹ / >55 m²·g⁻¹ / >100 m²/g / >117 m²/g |
| Color | Black |
| True Density | ~2.1 g/cm³ |
| Electrical Conductivity (EC) | >100 s/cm |
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