Lithium Battery Anode

Nano Silicon Anode Material Si Powder CAS 7440-21-3

Item No.: Tr- Si Anode
Silicon anode material is becoming the most preferred choice for battery companies and lithium battery material manufacturers to improve anodes due to their abundant reserves and ultra-high theoretical specific capacity.
Particle Size: 900nm
Silicon Si powder Properties
Performance of Nano Silicon Anode Material Si Powder :
Nano silicon anode material (CAS 7440-21-3) has the characteristics of high capacity, high first effect, long cycle, low expansion, excellent processing performance and rate performance, and it matches well with the existing graphite anode system.

Technical Parameter of Nano Silicon Anode Material Si Powder :
Product Name MF SSA Particle Size First Discharge Capacity First Charge Capacity First Discharge Efficiency
Nano Silicon Powder Si 11.36m2/g 900nm 2348.9 mAH/g 2003.6 mAH/g 85.3%
Application of Nano Silicon Anode Material Si Powder :

Nano silicon anode materials are used in cylindrical batteries, soft-pack batteries and aluminum-shell batteries.

Storage Condition of Nano Silicon Anode Material Si Powder :

Damp reunion will affect nano Si powder dispersion performance and using effects, therefore, nano Si should be sealed in vacuum packing and stored in cool and dry room, the nano Si powder can not be exposure to air. In addition, the Si powder should be avoided under stress.

Packing & Shipping of Nano Silicon Anode Material Si Powder :
We have many different kinds of packing which depends on the nano silicon anode Si powder quantity.
Nano silicon anode Si powder packing: 1kg/bag or 5kg/bag, 25kg/barrel, or as your request.
Nano silicon anode Si powder shipping: could be shipped out by sea , by air, by express as soon as possible once payment receipt.


Silicon Si powder Properties

Other Names Silicon Si powder, Si, Si powder, nano silicon powder
CAS No. 7440-21-3
Compound Formula Si
Molecular Weight 28.08 g/mol
Appearance brown, or silvery
Melting Point 1414°C 
Boiling Point 2900°C 
Density 2330kg/cm3
Purity >99.95%
Electrical Resistivity 3-4 microhm-cm @ 0 °C
Poisson's Ratio 0.064 - 0.28
Specific Heat 0.168 Cal/g/K @ 25 °C
Thermal Conductivity 1.49 W/cm/K @ 298.2 K
Thermal Expansion  (25 °C) 2.6 µm·m-1·K-1
Young's Modulus 51-80 GPa
Exact Mass N/A
Monoisotopic Mass N/A

Silicon Si powder Health & Safety Information

Safety Warning Warning
Hazard Statements H315-H319-H335
Hazard Codes H228
Risk Codes 11
Safety Statements 16-33-36
RTECS Number VW0400000
Transport Information UN 1346 4.1/PG 3
WGK Germany 2
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