Graphene Water Dispersion, Purity: 99.5%, Black Liquid, Graphene: 0.5 wt%

Technical Specification:

1. Material Composition:
   • Graphene Content: 0.5 wt%.
     • Represents 0.5% weight of graphene in the dispersion.
   • Purity: 99.5% graphene.
     • High-purity graphene ensures minimal impurities for enhanced properties.
   • Dispersion Medium: Deionized Water.
     • Provides a stable colloidal suspension for easy application.
   • Appearance: Black liquid.
2. Physical Properties:
   • Graphene Flake Size: Typically <1 µm, with single or few-layer graphene sheets.
   • Viscosity: Moderate viscosity suitable for spray, coating, and printing applications.
   • pH Range: Neutral to slightly alkaline, depending on formulation.
3. Electrical and Thermal Properties:
   • High Conductivity:
     • Excellent electrical and thermal conductivity due to graphene’s inherent properties.
   • Thermal Stability:
     • Stable under a wide range of temperatures, depending on application.
4. Stability:
   • Dispersion Stability:
     • Uniform suspension without sedimentation under standard conditions.
   • Shelf Life: Typically 6–12 months if stored correctly.
5. Packaging:
   • Available in containers of various sizes, from 100 mL to several liters.
   • Supplied in sealed containers to prevent contamination or evaporation.

Applications:

1. Primary Applications:
   • Energy Storage:
     • Used in lithium-ion batteries, supercapacitors, and fuel cells to improve performance.
   • Coatings and Paints:
     • Enhances durability, conductivity, and thermal resistance in conductive coatings.
   • Composites:
     • Incorporated into polymers, ceramics, and other materials to enhance mechanical, electrical, and thermal properties.
2. Industries:
   • Electronics:
     • Utilized in sensors, flexible circuits, and conductive films.
   • Automotive:
     • Applied in lightweight conductive parts and advanced battery systems.
   • Energy:
     • Used in high-capacity batteries, supercapacitors, and renewable energy systems.
   • Textiles:
     • Produces conductive, anti-static, and heat-resistant fabrics.
3. Advantages for Applications:
   • High Conductivity:
     • Improves electrical and thermal performance in a wide range of products.
   • Eco-Friendly:
     • Water-based dispersion reduces environmental impact and simplifies handling.
   • Versatility:
     • Compatible with various substrates, including metals, plastics, ceramics, and fabrics.
   • Durability:
     • Enhances material strength and wear resistance.
4. Specialized Uses:
   • 3D Printing:
     • Serves as a conductive ink for advanced additive manufacturing.
   • Electromagnetic Shielding:
     • Provides EMI shielding for electronics and communication devices.
   • Biomedical:
     • Used in biosensors and drug delivery systems for its biocompatibility.
5. Challenges and Mitigation:
   • Sedimentation:
     • Graphene may settle over time.
       • Solution: Shake well or ultrasonicate before use.
   • Low Concentration:
     • Limited graphene content (0.5 wt%) may require multiple layers for desired properties.
       • Solution: Apply repeated coatings or mix with other materials for enhanced performance.
   • Handling:
     • Requires careful mixing to maintain uniformity.
       • Solution: Use automated or controlled dispersion systems for consistency.

Storage Guidelines:

• Temperature: Store at room temperature, away from direct sunlight or heat sources.
• Container: Keep in airtight containers to prevent evaporation or contamination.
• Agitation: Shake or stir before use to ensure uniform dispersion.

Summary:

The Graphene Water Dispersion with 99.5% purity, 0.5 wt% graphene content, and a black liquid appearance is a versatile material for energy storage, coatings, composites, and advanced manufacturing. Its excellent conductivity, stability, and compatibility with various substrates make it ideal for cutting-edge applications in electronics, automotive, and renewable energy systems. Proper storage and handling ensure consistent performance and extended usability.