Si/C Composite Based Anode Powder (Si/C)

Solid Master Anode Materials Powders – Si/C supplied by Solid Energies Inc (SEI)

SEI powers the future of energy storage with a leading portfolio of advanced anode materials. Designed for next-generation lithium-ion batteries, our solutions—including Si/C composites and lithium metal—deliver exceptional capacity, extended cycle life, and enhanced safety. 

SEI's Si/C composite anode features a unique structure that delivers high capacity while mitigating silicon's inherent volume expansion. The integrated carbon matrix enhances conductivity, prevents particle agglomeration, and ensures long cycle life—making it ideal for high-energy-density lithium-ion batteries.   Available in 100g, 200g, 500g quantities, with larger orders available upon request.

Spec Sheet / MSDS

Product Specifications:

• Average Particle Size (D50):  ~ 9.0 ± 2µm
• Tap Density: 1.0~1.1 g/cm3
• Specific Surface Area: ~2.2 m2/g
• Typical First Charge Capacity:  ≥ 650 mAh/g
• First discharge efficiency: ≥90%

Product Safety Information:

• Component Name:  Si/C Composite Based Anode Powder
• CAS #:  N/A
• Hazard Classifications: Skin sensitization (Cat. 1, H317); Respiratory sensitization (Cat 1, H334); Carcinogenicity (Cat 1, H350); Specific Target Organ Toxicity, repeated exposure (Cat 1, H372)
• Precautions for Safe Handling: personal protective equipment should be used at all times: Handle in a well-ventilated area; Avoid contact with eyes and skin; Wash hands thoroughly after handling.
• Conditions for Safe Storage: Keep container tightly closed in a dry and well-ventilated place, avoiding moisture.
  

Why Choose Solid Energies?

• Industry leader in the development of advanced Li-ion battery materials.
• A wide spectrum of expertise covering from R&D, engineering prototypes and pilot-scale/mass production.
• Provides advanced Li-ion battery solutions for both military and civilian applications.
  
• Delivers high-performance, low-adoption-cost solid-state Li-ion battery technology.

For bulk or wholesale orders, please use our quote form.