Reduced Graphene Oxide Water Dispersion, Purity: 99.5%, rGO: 2,0 wt%

Technical Specification:

1. Material Composition:
   • Reduced Graphene Oxide Content: 2.0 wt%.
     • Contains 2% reduced graphene oxide (rGO) by weight in the water dispersion.
   • Purity: 99.5%.
     • High-purity rGO ensures minimal impurities for enhanced performance.
   • Dispersion Medium: Deionized Water.
     • Provides a stable and eco-friendly colloidal solution.
   • Appearance: Black or dark gray liquid.
2. Physical Properties:
   • rGO Flake Size: Typically <1 µm, consisting of few-layer graphene sheets.
   • Viscosity: Moderate due to higher rGO concentration, suitable for coating and processing methods.
   • pH: Neutral to slightly alkaline, depending on formulation.
3. Electrical and Thermal Properties:
   • Electrical Conductivity:
     • High, owing to the partially restored graphene structure during reduction.
   • Thermal Conductivity:
     • Excellent, enabling efficient heat dissipation in advanced applications.
4. Chemical Stability:
   • Stable Dispersion:
     • Uniformly distributed rGO with minimal sedimentation under proper storage conditions.
5. Packaging:
   • Available in sealed, solvent-resistant containers, sizes ranging from 100 mL to 5 liters.

Applications:

1. Primary Applications:
   • Energy Storage Devices:
     • Improves electrode performance in lithium-ion batteries, supercapacitors, and fuel cells.
   • Conductive Coatings:
     • Forms thin, uniform conductive films for various substrates.
   • Advanced Composites:
     • Enhances the mechanical, electrical, and thermal properties of polymers and other materials.
2. Industries:
   • Electronics:
     • Applied in sensors, transparent conductive films, and flexible circuits.
   • Automotive:
     • Used in advanced batteries and lightweight conductive components.
   • Energy:
     • Enhances performance in renewable energy storage systems.
   • Aerospace:
     • Reinforces lightweight materials for structural and electronic applications.
3. Advantages for Applications:
   • High rGO Concentration:
     • The 2 wt% dispersion delivers superior conductivity and material reinforcement compared to lower concentrations.
   • Eco-Friendly Solvent:
     • Water-based dispersion is safer and easier to handle than organic solvents.
   • Processing Versatility:
     • Suitable for various application methods, including spray, dip, spin-coating, and printing.
   • Stable and Consistent:
     • Ensures uniform rGO distribution for reliable results.
4. Specialized Uses:
   • Battery and Supercapacitor Development:
     • Enhances charge transfer and energy density in advanced energy storage devices.
   • 3D Printing:
     • Functions as a conductive ink for advanced manufacturing processes.
   • Electromagnetic Shielding:
     • Provides effective EMI shielding for electronic components.
   • Nanotechnology:
     • Supports the fabrication of rGO-based nanostructures for specialized applications.
5. Challenges and Mitigation:
   • Sedimentation:
     • rGO may settle over time.
       • Solution: Shake or ultrasonicate thoroughly before use.
   • Viscosity:
     • Higher concentration may lead to increased viscosity, requiring process optimization.
       • Solution: Adjust application parameters for uniform spreading and adhesion.
   • Drying Conditions:
     • Water evaporation requires controlled drying to achieve desired film properties.
       • Solution: Use optimized drying environments with controlled temperature and humidity.

Storage Guidelines:

• Temperature: Store at room temperature in a cool, dry place, away from direct sunlight or freezing conditions.
• Container: Use tightly sealed containers to prevent contamination and evaporation.
• Agitation: Shake or mix thoroughly before use to maintain dispersion uniformity.

Summary:

The Reduced Graphene Oxide (rGO) Water Dispersion with 99.5% purity and 2 wt% rGO content is a versatile and high-performance material for energy storage, conductive coatings, and composite applications. Its water-based medium ensures eco-friendly handling and compatibility, making it suitable for electronics, automotive, aerospace, and renewable energy industries. Proper storage and handling maximize its performance and longevity for diverse industrial and research uses.