What are Graphene Nanoplatelets?
Graphene Nanoplatelets (GNPs) are ultra-thin layers of graphene composed of stacked sheets, typically consisting of 10-100 graphene layers. Known for their extraordinary electrical conductivity, mechanical strength, thermal conductivity, and lightweight characteristics, GNPs are increasingly utilized in advanced materials and technological applications.
Chemical Properties and CAS Number
- Chemical Composition: Pure Carbon (C)
- CAS Number: 1034343-98-0
- Appearance: Black fine powder or flakes
- Thickness: Typically between 5 to 20 nanometers
- Thermal Conductivity: Exceptionally high (~3,000-5,000 W/m·K)
- Electrical Conductivity: Outstanding electrical conductive properties
- Chemical Stability: Highly stable, resistant to chemicals and environmental degradation
Applications of Graphene Nanoplatelets
1. Composites and Advanced Materials
Integrated into polymer composites, automotive parts, aerospace materials, and sporting goods to significantly enhance strength, stiffness, electrical conductivity, and reduce weight.
2. Electronics and Conductive Inks
Utilized in conductive inks, printed electronics, flexible displays, sensors, and batteries due to excellent electrical conductivity and thermal management properties.
3. Energy Storage
Incorporated in lithium-ion batteries, supercapacitors, fuel cells, and energy storage systems to improve energy density, charge rate, and overall performance.
4. Thermal Management
Used in thermal interface materials, heat sinks, and advanced cooling systems to provide efficient heat dissipation in electronics and LED lighting.
5. Coatings and Protective Films
Applied in anti-corrosion coatings, anti-static coatings, conductive paints, and barrier films for enhanced durability and protective characteristics.
6. Biomedical Applications
Explored in drug delivery systems, biosensors, medical imaging agents, and antimicrobial surfaces due to biocompatibility and high surface area.
Pricing of Graphene Nanoplatelets
Pricing varies significantly based on purity, platelet size, thickness, and specific functionalization:
- Industrial Grade: Typically ranges from $50 – $300 per kilogram
- High-Purity/Specialized Grade: Prices range from $500 – $2,000 per kilogram, suitable for high-tech and specialized applications.
Factors Influencing Graphene Nanoplatelet Prices
- Purity and graphene layer consistency
- Particle size and surface area
- Specific application or functionalization requirements
- Order volume and frequency
Conclusion
Graphene Nanoplatelets offer exceptional performance and versatility across diverse sectors including composites, electronics, energy storage, thermal management, coatings, and biomedical applications. Their superior conductivity, mechanical properties, and chemical stability underscore their growing importance in advanced technology markets. Pricing depends on purity, particle specifications, and application needs.