Shop Phone Email Top

Silicon/Carbon (Si/C) Composite Anode Materials

Please email for a quote.


The Silicon/Carbon Composite Anode Materials represent a cutting-edge advancement in the domain of battery technology, particularly for lithium-ion batteries. It aims to harness silicon’s superior lithium-ion storage capability while addressing its notable volume expansion challenges during charge and discharge cycles through integration with carbon. Silicon serves as the key active material, offering high lithium storage capacity. Concurrently, the carbon matrix plays a crucial role in cushioning silicon’s volume expansion, enhancing electronic conductivity, and stabilizing the silicon particles’ solid-electrolyte interphase (SEI) layers. Combining silicon with carbon brings together the best attributes of both materials: the impressive lithiation capacity of silicon and the superior mechanical and conductive properties of carbon. This fusion not only leads to a significant increase in the capacity of lithium-ion batteries but also enhances their cycling stability and overall efficiency.

Catalog Number: NovaLIB-Si/C-HC
Grain Size:
~3.8µm (D10), ~8.6µm (D50), ~14.2µm (D90)
Tap Density:
First Charging Capacity (100 mA/g,
0.01-1.5 V): ~1800mAh/g
First Coulombic Efficiency:
Cycle Life
: > 80%, 1000 cycles
black powder


The Silicon/Carbon (Si/C) Composite Anode Materials are ideal for use as anode materials in lithium-ion batteries, lithium metal batteries, and lithium sulfur batteries, emphasizing high energy density and rapid charging capabilities.


  • Higher Energy Density: The Silicon/Carbon Composite Anode Materials leverage silicon’s vast theoretical capacity (~4200 mAh/g) over traditional graphite (372 mAh/g), boosting the energy density of lithium-ion batteries. This enhancement is crucial for electric vehicles (EVs) and portable electronics, allowing for more energy storage within the same space.
  • Improved Battery Life: The carbon in the Si/C Composite Anode Materials mitigates the volume changes of silicon during charge cycles, enhancing structural stability. This enhancement results in better cycling stability and an extended battery lifespan, ensuring reliability over time.
  • Faster Charging: The Si/C Composite Anode Materials enable faster charging by promoting quicker lithium-ion migration, attributed to the enhanced electrical conductivity and structural integrity of the carbon matrix.
  • Enhanced Thermal Stability: The presence of carbon in the Si/C Composite Anode Materials improves the thermal stability of the anode, increasing safety by reducing the risks of overheating or thermal runaway. This improvement is crucial during rapid charging or high-demand scenarios.
  • Scalability and Compatibility: The Si/C Composite Anode Materials can easily integrate into existing battery manufacturing setups, promoting scalability. They are also compatible with current lithium-ion technologies, offering a straightforward path to upgrading battery performance.

The Silicon/Carbon Composite Anode Materials are available on an industrial scale, ranging from kilograms to tons.

Additional information


100g, 500g, 1kg