What Are Carbon Nanotubes Doped with 52 wt% Silicon (Si) Nanoparticles?

Carbon Nanotubes Doped with 52 wt% Silicon Nanoparticles are advanced hybrid nanomaterials designed to leverage the mechanical strength and electrical conductivity of multi-walled carbon nanotubes (MWCNTs) and the high lithium storage capacity of silicon nanoparticles. The 52 wt% Si content provides a high energy density platform, especially suited for next-generation lithium-ion batteries.

Chemical Properties and CAS Numbers

• Composition: Multi-Walled Carbon Nanotubes + 52 wt% Silicon Nanoparticles
• MWCNT CAS Number: 308068-56-6
• Silicon CAS Number: 7440-21-3
• Appearance: Dark grey to black powder
• Silicon Nanoparticle Size: ~30–100 nm
• CNT Diameter: ~10–40 nm
• Purity: >99%
• Electrical Conductivity: Excellent
• Lithium Storage Capacity (Theoretical): Up to 3,500 mAh/g (due to Si content)
• Thermal Conductivity: High
• Density: ~1.9–2.4 g/cm³

Applications

1. Lithium-Ion Battery Anode Materials

Used as an advanced anode composite material for high-energy-density lithium-ion batteries. Offers superior specific capacity, cycle life, and rate performance compared to pure graphite.

2. Electronics and Energy Devices

Acts as a conductive and active filler in supercapacitors, Li-ion hybrid capacitors, and portable power systems.

3. 3D Printing and Composite Engineering

Ideal for lightweight, high-performance composites where strength and conductivity are crucial—especially in aerospace and automotive industries.

4. Sensor Technology

Used in flexible sensors and wearable electronics where both conductivity and mechanical flexibility are desired.

5. Thermal Interface Materials

Improves thermal conductivity in interface materials for electronic devices, reducing heat resistance.

Pricing

• Lab-Scale Quantities (50–100g): $400 – $900
• Pilot-Scale Quantities (1–5 kg): $2,500 – $6,000
• Customized Dispersions (in water, ethanol, NMP): Available upon request

Factors Influencing Price

• Silicon nanoparticle purity and size
• Type and length of carbon nanotubes used
• Dispersion medium or dry powder
• Surface functionalization (-OH, -COOH)
• Volume and packaging

Conclusion

Carbon Nanotubes Doped with 52 wt% Silicon Nanoparticles offer an innovative solution for enhancing lithium-ion battery anodes, supercapacitors, and high-performance composites. This hybrid material combines the strength and conductivity of CNTs with the high capacity and reactivity of nano-silicon, paving the way for next-gen energy systems.