Nickel Nanopowder (Ni, 99.9%, 70nm)

Technical Specifications

1. Material Name
   • Product: Nickel Nanopowder
   • Chemical Formula: Ni
   • CAS Number: 7440-02-0
2. Purity
   • Grade: 99.9% (metal basis)
   • Impurities: ≤0.1% (trace amounts of oxides or other metallic/non-metallic elements)
3. Particle Size
   • Average Size: ~70 nm
   • Particle Size Distribution: Typically verified through SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Morphology
   • Shape: Often near-spherical or irregular, depending on synthesis
   • Surface Area: Higher than bulk nickel due to nanoscale particle size
5. Crystal Structure
   • Phase: Face-Centered Cubic (fcc)
   • Potential Variations: Minor structural changes may arise from manufacturing or post-processing
6. Physical and Chemical Properties
   • Color: Silvery, metallic-gray powder
   • Bulk Density: Lower than bulk nickel due to agglomeration at the nanoscale
   • Melting Point: ~1,455 °C
   • Boiling Point: ~2,913 °C
   • Magnetic Properties: Nickel is ferromagnetic; nanoscale particles may exhibit distinct magnetic behaviors
7. Packaging and Storage
   • Standard Packaging: Typically sealed under inert gas (argon) or vacuum to minimize oxidation
   • Storage Conditions: Store in a cool, dry area; protect from air, moisture, and oxidizing agents
   • Shelf Life: Stable if sealed properly; surface oxidation can occur over time if exposed to air
8. Safety and Handling
   • Hazards:
     • Finely divided nickel powder can be combustible if exposed to high temperatures or strong oxidizers
     • Nickel dust may cause skin or respiratory irritation
   • Recommended Protective Measures:
     • Wear appropriate PPE (gloves, goggles, respirators)
     • Handle under inert or controlled conditions to reduce oxidation and fire risks

Applications

1. Catalysis
   • Chemical Synthesis: Nickel nanoparticles are effective catalysts for hydrogenation and reforming reactions
   • Electrochemical Processes: May serve as catalysts in fuel cells or electrolyzers for improved efficiency
2. Magnetic Materials
   • Magnetorheological Fluids: Nickel nanoparticles can be dispersed in fluids that alter viscosity in a magnetic field
   • Magnetic Storage and Sensing: Explored for use in data storage media and magnetic sensor applications
3. Electronics and Conductive Inks
   • Conductive Pastes: Nickel nanopowder is utilized in inks or coatings for printed electronics
   • EMI Shielding: Ferromagnetic characteristics aid in shielding sensitive electronics from electromagnetic interference
4. Metallurgy and Alloying
   • Powder Metallurgy: Nanoscale nickel particles enhance sintering and mechanical properties in nickel-based alloys
   • Superalloys: Nickel is key for high-temperature, corrosion-resistant alloys used in aerospace and other demanding sectors
5. Battery and Energy Storage
   • Battery Electrodes: Nickel and nickel-containing composites are used in rechargeable batteries (e.g., NiMH, Li-ion cathodes)
   • Supercapacitors: Nickel and nickel oxide nanoparticles can improve electrode conductivity and energy density
6. Biomedical Research (Exploratory)
   • Drug Delivery and Hyperthermia: Although iron oxide is more common for biocompatibility, nickel’s magnetic properties make it a theoretical candidate for targeted therapies
   • Biosensors: Nickel-based electrodes may be functionalized for electrochemical detection of biomolecules

In Summary

Nickel Nanopowder (Ni, 99.9%, 70 nm) is a high-purity, nanoscale form of nickel offering notable magnetic and catalytic characteristics. Its enhanced surface area and reactivity support a range of applications—from advanced catalysis and electronics to EMI shielding and alloy development. Proper inert-atmosphere storage and careful handling are essential to preserve quality and ensure user safety.